/* ---------------------------------------------------------
   Visual Art — Mojdeh Mirzaei
   Design system: editorial gallery, generous whitespace,
   serif for statements, condensed sans for UI chrome.
--------------------------------------------------------- */

:root {
  --color-bg: #f7f5f1;
  --color-bg-alt: #efece5;
  --color-text: #171614;
  --color-text-muted: #5a574f;
  --color-line: #d8d3c8;
  --color-accent: #8a3324;

  --font-serif: Georgia, "Iowan Old Style", "Palatino Linotype", Palatino, serif;
  --font-sans: "Helvetica Neue", Helvetica, Arial, sans-serif;

  --container: 1180px;
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.75rem;
  --space-4: 3rem;
  --space-5: 5rem;
  --space-6: 8rem;
}

:root[data-theme="dark"] {
  --color-bg: #121110;
  --color-bg-alt: #1a1917;
  --color-text: #f2efe8;
  --color-text-muted: #b3ada0;
  --color-line: #322f2a;
  --color-accent: #e0836a;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --color-bg: #121110;
    --color-bg-alt: #1a1917;
    --color-text: #f2efe8;
    --color-text-muted: #b3ada0;
    --color-line: #322f2a;
    --color-accent: #e0836a;
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background 0.3s ease, color 0.3s ease;
}

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

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

/* -------------------- Header / Nav -------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-line);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  height: 4.5rem;
}

.logotype {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  letter-spacing: 0.04em;
  white-space: nowrap;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  gap: var(--space-4);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding-bottom: 4px;
  border-bottom: 1px solid transparent;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  border-bottom-color: var(--color-accent);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-line);
  border-radius: 4px;
  width: 2.25rem;
  height: 2.25rem;
  cursor: pointer;
  color: var(--color-text);
}

@media (max-width: 900px) {
  .nav-toggle { display: block; }

  .nav-links {
    position: absolute;
    top: 4.5rem;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-line);
    flex-direction: column;
    gap: 0;
    padding: var(--space-2) var(--space-3);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
  }

  .nav-links.is-open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  .nav-links li { border-top: 1px solid var(--color-line); }
  .nav-links li:first-child { border-top: none; }
  .nav-links a { display: block; padding: var(--space-2) 0; }
}

/* -------------------- Hero -------------------- */

.hero {
  min-height: 78vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-bottom: 1px solid var(--color-line);
}

.hero-eyebrow {
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.hero h1 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(2.75rem, 7vw, 5.5rem);
  line-height: 1.02;
  margin: 0 0 var(--space-3);
  max-width: 16ch;
}

.hero p {
  font-size: clamp(1rem, 1.4vw, 1.2rem);
  max-width: 46ch;
  color: var(--color-text-muted);
  margin: 0 0 var(--space-4);
}

/* -------------------- Buttons / links -------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid var(--color-text);
  padding: 0.9rem 1.6rem;
  transition: background 0.2s ease, color 0.2s ease;
}

.btn:hover {
  background: var(--color-text);
  color: var(--color-bg);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.text-link[href^="mailto:"] {
  text-transform: none;
  letter-spacing: 0;
  font-size: 0.95rem;
}

.text-link {
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--color-accent);
  padding-bottom: 2px;
}

/* -------------------- Section scaffolding -------------------- */

section { padding: var(--space-5) 0; }

.section-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-line);
  padding-bottom: var(--space-2);
}

.section-heading h2 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin: 0;
}

.section-number {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  letter-spacing: 0.1em;
}

/* -------------------- Collection cards grid -------------------- */

.collection-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4) var(--space-3);
}

@media (max-width: 720px) {
  .collection-grid { grid-template-columns: 1fr; }
}

.collection-card { display: block; }

.collection-card .thumb {
  aspect-ratio: 4 / 5;
  margin-bottom: var(--space-2);
  overflow: hidden;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-line);
}

.collection-card .thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.collection-card .thumb .placeholder-tile { border: none; }

.collection-card .thumb img,
.placeholder-tile { transition: transform 0.5s ease; }

.collection-card:hover .thumb img,
.collection-card:hover .placeholder-tile { transform: scale(1.03); }

.collection-card h3 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 1.4rem;
  margin: 0 0 0.25rem;
}

.collection-card .meta {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin: 0 0 0.5rem;
}

.collection-card p.excerpt {
  margin: 0;
  color: var(--color-text-muted);
  max-width: 40ch;
}

/* -------------------- Placeholder image tiles -------------------- */
/* Swap the <div class="placeholder-tile"> markup for a real
   <img src="..." alt="..."> once artwork files are available. */

.placeholder-tile {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: flex-end;
  padding: var(--space-2);
  background:
    repeating-linear-gradient(135deg, rgba(0,0,0,0.035) 0 2px, transparent 2px 14px),
    linear-gradient(160deg, var(--color-bg-alt), var(--color-bg));
  border: 1px solid var(--color-line);
  color: var(--color-text-muted);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: zoom-in;
}

/* -------------------- Collection detail page -------------------- */

.collection-header {
  padding: var(--space-5) 0 var(--space-4);
  border-bottom: 1px solid var(--color-line);
}

.collection-header .meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.collection-header h1 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  margin: 0 0 var(--space-3);
  max-width: 18ch;
}

.subsection-label {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin: var(--space-4) 0 var(--space-2);
}

.subsection-label:first-of-type { margin-top: 0; }

.pull-quote {
  margin: 0 0 var(--space-4);
  padding-left: var(--space-3);
  border-left: 2px solid var(--color-accent);
  max-width: 52ch;
}

.pull-quote p {
  font-family: var(--font-serif);
  font-size: clamp(1.15rem, 2vw, 1.5rem);
  font-style: italic;
  line-height: 1.45;
  margin: 0 0 0.6rem;
}

.pull-quote cite {
  font-style: normal;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.credit-line {
  margin: 0;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  color: var(--color-text-muted);
}

.statement {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  line-height: 1.75;
  max-width: 62ch;
  color: var(--color-text);
}

.statement p + p { margin-top: 1.1em; }

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3) var(--space-2);
  align-items: start;
}

/* Artwork keeps its own proportions — no fixed box, no cropping, no
   letterbox bars, whatever orientation the piece happens to be. */
.gallery-grid figure {
  margin: 0;
  overflow: hidden;
}

.gallery-grid figure img {
  width: 100%;
  height: auto;
  display: block;
  cursor: zoom-in;
  transition: transform 0.4s ease;
}

.gallery-grid figure:hover img { transform: scale(1.03); }

/* Empty slots have no intrinsic size, so they get a fixed square. */
.gallery-grid figure .placeholder-tile {
  width: 100%;
  aspect-ratio: 1 / 1;
  height: auto;
}

/* Several views of a single work, held together as one unit so the grid
   reads as one sculpture rather than two separate pieces. */
.work-group {
  grid-column: span 2;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2);
  align-items: start;
}

.work-group.cols-3 {
  grid-column: 1 / -1;
  grid-template-columns: repeat(3, 1fr);
}

/* Work labels: title, medium, dimensions, year. */
.gallery-grid figcaption,
.work-caption {
  grid-column: 1 / -1;
  margin: 0.7rem 0 0;
  font-size: 0.78rem;
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: var(--color-text-muted);
}

.work-title {
  display: block;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1rem;
  letter-spacing: 0;
  color: var(--color-text);
}

@media (max-width: 520px) {
  .work-group { grid-column: span 1; }
}

@media (max-width: 900px) {
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .gallery-grid { grid-template-columns: 1fr; }
}

.collection-nav {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--color-line);
  margin-top: var(--space-5);
  padding-top: var(--space-3);
  font-family: var(--font-serif);
  font-size: 1.1rem;
}

/* -------------------- Lightbox -------------------- */

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(10, 9, 8, 0.92);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: var(--space-3);
}

.lightbox.is-open { display: flex; }

.lightbox-inner {
  max-width: 900px;
  width: 100%;
  color: #f2efe8;
  text-align: center;
}

.lightbox-inner img { margin: 0 auto; max-height: 80vh; }

.lightbox .placeholder-tile {
  aspect-ratio: 4 / 5;
  max-height: 80vh;
  margin: 0 auto;
  width: min(480px, 80vw);
  align-items: center;
  justify-content: center;
  padding: 0;
}

.lightbox-close {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  background: none;
  border: 1px solid rgba(242,239,232,0.4);
  color: #f2efe8;
  width: 2.5rem;
  height: 2.5rem;
  cursor: pointer;
}

.lightbox-caption {
  margin-top: var(--space-2);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  color: rgba(242,239,232,0.7);
}

/* -------------------- About / Contact -------------------- */

.about-layout {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: var(--space-5);
  align-items: start;
}

@media (max-width: 800px) {
  .about-layout { grid-template-columns: 1fr; }
}

.about-layout .portrait { aspect-ratio: 4 / 5; }

.cv-list {
  list-style: none;
  margin: var(--space-2) 0 0;
  padding: 0;
  font-size: 0.95rem;
}

.cv-list li {
  display: flex;
  gap: var(--space-3);
  padding: 0.6rem 0;
  border-top: 1px solid var(--color-line);
}

.cv-list li:last-child { border-bottom: 1px solid var(--color-line); }

.cv-year {
  flex: 0 0 6.5rem;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}

@media (max-width: 720px) {
  .contact-grid { grid-template-columns: 1fr; }
}

.contact-card {
  border: 1px solid var(--color-line);
  padding: var(--space-3);
}

.contact-card h3 {
  font-family: var(--font-serif);
  font-weight: 400;
  margin: 0 0 var(--space-1);
}

/* -------------------- Footer -------------------- */

.site-footer {
  border-top: 1px solid var(--color-line);
  padding: var(--space-4) 0;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: space-between;
  align-items: center;
}

.footer-links {
  display: flex;
  gap: var(--space-3);
  list-style: none;
  margin: 0;
  padding: 0;
}

/* -------------------- Utility -------------------- */

.editorial-note {
  font-size: 0.8rem;
  color: var(--color-accent);
  border: 1px dashed var(--color-accent);
  padding: var(--space-2) var(--space-3);
  margin-bottom: var(--space-4);
  max-width: 62ch;
}