/* ---------------------------------------------------------------------------
   Shanon Schneider Fine Art
   Design tokens: a lit gallery wall.
   --------------------------------------------------------------------------- */
:root {
  --wall: #FBFAF7;        /* warm white wall */
  --ink: #23201D;         /* near-black text */
  --caption: #8A837A;     /* placard gray */
  --hairline: #E7E2DA;    /* frame lines */
  --viridian: #3F5E56;    /* pigment-green accent */
  --placard: #FFFFFF;
  --display: "Marcellus", serif;
  --body: "Lora", Georgia, serif;
  --track: 0.14em;
  --maxw: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

html, body { overflow-x: clip; }

body {
  margin: 0;
  background: var(--wall);
  color: var(--ink);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { color: var(--viridian); text-underline-offset: 3px; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--viridian);
  outline-offset: 3px;
}

h1, h2 {
  font-family: var(--display);
  font-weight: 400;
  line-height: 1.15;
  margin: 0 0 0.5em;
}
h1 { font-size: clamp(1.9rem, 4.2vw, 3.1rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }

.eyebrow {
  font-family: var(--display);
  font-size: 0.78rem;
  letter-spacing: var(--track);
  text-transform: uppercase;
  color: var(--caption);
  margin: 0 0 0.9em;
}

/* --- top bar ------------------------------------------------------------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem clamp(1rem, 4vw, 2.5rem);
  background: color-mix(in srgb, var(--wall) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--hairline);
}
.wordmark {
  font-family: var(--display);
  font-size: 1.05rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
}
.wordmark span { color: var(--caption); }
.topnav { display: flex; align-items: center; gap: clamp(0.9rem, 2.5vw, 1.8rem); }
.topnav a {
  font-family: var(--display);
  font-size: 0.82rem;
  letter-spacing: var(--track);
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}
.topnav a:hover { border-bottom-color: var(--viridian); color: var(--viridian); }
.topnav .ig { display: inline-flex; padding-bottom: 0; border: 0; }

/* --- hero ---------------------------------------------------------------- */
.hero { position: relative; }
.hero-media {
  height: min(78vh, 720px);
  overflow: hidden;
  background: var(--hairline);
}
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.5s ease;
}
.hero-media img.loaded { opacity: 1; }
.hero-label {
  position: relative;
  margin: -4.5rem auto 0;
  width: min(92%, 620px);
  text-align: center;
  padding: 2rem 2.2rem 2.3rem;
}
.hero-sub { color: var(--caption); margin: 0 0 1.4rem; }

/* the signature: a museum wall label */
.placard {
  background: var(--placard);
  border: 1px solid var(--hairline);
  box-shadow: 0 14px 34px -18px rgba(35, 32, 29, 0.28);
}

.btn {
  display: inline-block;
  font-family: var(--display);
  font-size: 0.82rem;
  letter-spacing: var(--track);
  text-transform: uppercase;
  color: var(--wall);
  background: var(--ink);
  border: 1px solid var(--ink);
  padding: 0.8rem 1.6rem;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}
.btn:hover { background: var(--viridian); border-color: var(--viridian); }
.btn:disabled { opacity: 0.55; cursor: default; }

/* --- gallery ------------------------------------------------------------- */
.gallery-section, .about, .contact {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(3.5rem, 8vw, 6rem) clamp(1rem, 4vw, 2.5rem) 0;
}
.section-head { text-align: center; margin-bottom: 2.2rem; }

.filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
  margin-bottom: 2.4rem;
}
.filters button {
  font-family: var(--display);
  font-size: 0.78rem;
  letter-spacing: var(--track);
  text-transform: uppercase;
  background: var(--placard);
  color: var(--ink);
  border: 1px solid var(--hairline);
  padding: 0.55rem 1.1rem;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}
.filters button:hover { border-color: var(--viridian); color: var(--viridian); }
.filters button[aria-selected="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--wall);
}

.grid {
  display: flex;
  gap: 1.4rem;
  align-items: flex-start;
}
.grid-col {
  flex: 1 1 0;
  min-width: 0;
}
.work {
  content-visibility: auto;               /* skip layout/paint until near viewport */
  contain-intrinsic-size: auto 340px;     /* scrollbar estimate before render */
  break-inside: avoid;
  color: inherit;                         /* iOS Safari defaults button text to blue */
  margin: 0 0 1.4rem;
  cursor: zoom-in;
  border: 0;
  background: none;
  padding: 0;
  width: 100%;
  text-align: left;
}
.work img {
  width: 100%;
  height: auto;   /* keep the painting's aspect ratio; width fills the column */
  border: 1px solid var(--hairline);
  background: var(--hairline);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.work:hover img {
  transform: translateY(-3px);
  box-shadow: 0 18px 30px -20px rgba(35, 32, 29, 0.4);
}
.work .placard.mini { margin-top: 0.55rem; }

.placard.mini {
  display: inline-block;
  padding: 0.5rem 0.85rem;
  box-shadow: none;
}
.placard-title {
  display: block;
  font-family: var(--display);
  font-size: 0.86rem;
  letter-spacing: 0.06em;
}
.placard-meta {
  display: block;
  font-size: 0.74rem;
  font-style: italic;
  color: var(--caption);
}

.empty { text-align: center; padding: 3rem 1rem; }

/* --- about --------------------------------------------------------------- */
.about {
  display: grid;
  grid-template-columns: minmax(260px, 380px) 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
.about-photo { margin: 0; position: sticky; top: 90px; }
.about-photo img { border: 1px solid var(--hairline); }
.about-photo .placard.mini { margin-top: -1.4rem; margin-left: 1.2rem; position: relative; box-shadow: 0 10px 24px -16px rgba(35,32,29,.3); }
.about-text blockquote {
  margin: 1.8rem 0 0;
  padding: 1.4rem 1.6rem;
  font-style: italic;
  border-left: 2px solid var(--viridian);
  background: var(--placard);
}

/* --- contact ------------------------------------------------------------- */
.contact { padding-bottom: clamp(3.5rem, 8vw, 6rem); }
.contact-lede { max-width: 46ch; margin: 0 auto; color: var(--caption); }
#contactForm { max-width: 640px; margin: 0 auto; }
#contactForm .row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
#contactForm label {
  display: block;
  font-family: var(--display);
  font-size: 0.78rem;
  letter-spacing: var(--track);
  text-transform: uppercase;
  color: var(--caption);
  margin-bottom: 1rem;
}
#contactForm input, #contactForm textarea {
  display: block;
  width: 100%;
  margin-top: 0.4rem;
  font-family: var(--body);
  font-size: 1rem;
  color: var(--ink);
  background: var(--placard);
  border: 1px solid var(--hairline);
  padding: 0.75rem 0.9rem;
}
#contactForm textarea { resize: vertical; }
.hp { position: absolute; left: -9999px; top: auto; }
.form-note { min-height: 1.4em; margin-top: 0.9rem; font-style: italic; }
.form-note.ok { color: var(--viridian); }
.form-note.err { color: #8C3B2E; }

/* --- footer -------------------------------------------------------------- */
footer {
  border-top: 1px solid var(--hairline);
  text-align: center;
  padding: 2.5rem 1rem 3rem;
  color: var(--caption);
  font-size: 0.9rem;
}
footer .wordmark.small { font-size: 0.95rem; display: block; margin-bottom: 0.4rem; }
.fineprint { font-size: 0.78rem; }

/* --- lightbox ------------------------------------------------------------ */
.lightbox[hidden] { display: none; }
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(24, 22, 20, 0.93);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}
.lb-figure { margin: 0; max-width: min(92vw, 1100px); text-align: center; }
.lb-figure img {
  max-width: 100%;
  max-height: 74vh;
  margin: 0 auto;
  box-shadow: 0 30px 80px -30px rgba(0, 0, 0, 0.7);
}
.lb-figure .placard {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.7rem 1.3rem;
}
.lightbox button {
  position: absolute;
  background: none;
  border: 0;
  color: #F4F1EC;
  font-size: 2.6rem;
  line-height: 1;
  cursor: pointer;
  padding: 0.4rem 0.8rem;
}
.lb-close { top: 1rem; right: 1.2rem; }
.lb-prev { left: 0.6rem; top: 50%; transform: translateY(-50%); }
.lb-next { right: 0.6rem; top: 50%; transform: translateY(-50%); }

/* --- responsive ---------------------------------------------------------- */
@media (max-width: 860px) {
  .about { grid-template-columns: 1fr; }
  .about-photo { position: static; max-width: 420px; }
}
@media (max-width: 700px) {
  .topbar {
    flex-wrap: wrap;
    justify-content: center;
    row-gap: 0.4rem;
    text-align: center;
  }
  .wordmark { font-size: 0.92rem; }
}
@media (max-width: 640px) {
  .topnav a:not(.ig) { font-size: 0.74rem; }
  #contactForm .row { grid-template-columns: 1fr; gap: 0; }
  .hero-media { height: 52vh; }
  .hero-label { margin-top: -3rem; padding: 1.5rem 1.2rem 1.8rem; }
}