/* ===== Variables ===== */
:root {
  --color-bg: #fdfdfc;
  --color-ink: #1a1a1a;
  --color-muted: #6b6b6b;
  --color-line: #e4e2de;
  --font-serif: "Georgia", "Iowan Old Style", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --max-width: 1080px;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 8rem;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

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

/* ===== Header ===== */
.site-header {
  border-bottom: 1px solid var(--color-line);
  position: sticky;
  top: 0;
  background: var(--color-bg);
  z-index: 10;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-sm);
  padding-bottom: var(--space-sm);
}

.brand {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

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

.nav-links a {
  font-size: 0.9rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--color-muted);
  transition: color 0.2s ease;
}

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

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--color-ink);
  position: relative;
  transition: all 0.2s ease;
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle span::before { top: -7px; }
.nav-toggle span::after { top: 7px; }

/* ===== Hero ===== */
.hero {
  padding: var(--space-xl) 0 var(--space-lg);
  border-bottom: 1px solid var(--color-line);
}

.hero h1 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(2rem, 5vw, 3.5rem);
  max-width: 18ch;
  margin: 0 0 var(--space-sm);
}

.hero p {
  color: var(--color-muted);
  max-width: 42ch;
  font-size: 1.05rem;
}

.hero-figure {
  margin-top: var(--space-lg);
  aspect-ratio: 16 / 8;
  background: linear-gradient(135deg, #ececea, #f8f7f5);
  border: 1px solid var(--color-line);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  color: var(--color-muted);
  font-family: var(--font-serif);
  font-style: italic;
}

/* ===== Section titles ===== */
.section-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: var(--space-md);
  padding-top: var(--space-lg);
}

.section-title h2 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 1.6rem;
  margin: 0;
}

.section-title span {
  color: var(--color-muted);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ===== Gallery grid ===== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-md);
  padding-bottom: var(--space-xl);
}

.artwork {
  cursor: pointer;
}

.artwork-image {
  aspect-ratio: 4 / 5;
  background: linear-gradient(160deg, #efeeec, #f9f8f6);
  border: 1px solid var(--color-line);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  color: var(--color-muted);
  font-family: var(--font-serif);
  font-style: italic;
  transition: opacity 0.2s ease;
}

.artwork-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.category-intro {
  max-width: 60ch;
  color: var(--color-muted);
  margin: -0.5rem 0 var(--space-md);
}

.artwork:hover .artwork-image {
  opacity: 0.75;
}

.artwork-caption {
  margin-top: var(--space-xs);
  font-size: 0.9rem;
}

.artwork-caption .medium {
  display: block;
  color: var(--color-muted);
  font-size: 0.8rem;
  margin-top: 2px;
}

/* ===== About page ===== */
.about-layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--space-lg);
  padding: var(--space-lg) 0 var(--space-xl);
  align-items: start;
}

.about-portrait {
  aspect-ratio: 3 / 4;
  background: linear-gradient(160deg, #efeeec, #f9f8f6);
  border: 1px solid var(--color-line);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  color: var(--color-muted);
  font-family: var(--font-serif);
  font-style: italic;
  position: sticky;
  top: 90px;
}

.about-text h1 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 2rem;
  margin-top: 0;
}

.about-text p {
  margin-bottom: var(--space-sm);
}

.about-text .lead {
  font-size: 1.1rem;
  color: var(--color-ink);
}

.facts {
  margin-top: var(--space-md);
  border-top: 1px solid var(--color-line);
  padding-top: var(--space-md);
}

.facts dt {
  color: var(--color-muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-top: var(--space-sm);
}

.facts dd {
  margin: 0.2rem 0 0;
}

/* ===== Contact ===== */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  padding: var(--space-lg) 0 var(--space-xl);
}

.contact-info h1 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 2rem;
  margin-top: 0;
}

.contact-info dl {
  margin-top: var(--space-md);
}

.contact-info dt {
  color: var(--color-muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-top: var(--space-sm);
}

.contact-info dd {
  margin: 0.2rem 0 0;
  font-size: 1.05rem;
}

.social-links {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-md);
  padding: 0;
  list-style: none;
}

.social-links a {
  border-bottom: 1px solid var(--color-ink);
  padding-bottom: 2px;
}

form {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-muted);
}

input,
textarea {
  font-family: var(--font-sans);
  font-size: 1rem;
  padding: var(--space-xs) 0;
  border: none;
  border-bottom: 1px solid var(--color-line);
  background: transparent;
  color: var(--color-ink);
  outline: none;
}

input:focus,
textarea:focus {
  border-bottom-color: var(--color-ink);
}

textarea {
  resize: vertical;
  min-height: 120px;
}

button[type="submit"] {
  align-self: flex-start;
  margin-top: var(--space-sm);
  padding: 0.8rem 2rem;
  background: var(--color-ink);
  color: var(--color-bg);
  border: none;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: opacity 0.2s ease;
}

button[type="submit"]:hover {
  opacity: 0.85;
}

.form-note {
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-top: var(--space-sm);
}

/* ===== Footer ===== */
.site-footer {
  border-top: 1px solid var(--color-line);
  padding: var(--space-md) 0;
}

.site-footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--color-muted);
}

/* ===== Lightbox ===== */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(20, 20, 20, 0.92);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: var(--space-md);
}

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

.lightbox-content {
  color: #f4f3f1;
  text-align: center;
  max-width: 600px;
}

.lightbox-image {
  aspect-ratio: 4 / 5;
  max-height: 70vh;
  width: auto;
  margin: 0 auto var(--space-sm);
  background: linear-gradient(160deg, #3a3a38, #262625);
  border: 1px solid #4a4a48;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-style: italic;
  color: #cfcecb;
}

.lightbox-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  background: none;
  border: none;
  color: #f4f3f1;
  font-size: 1.5rem;
  cursor: pointer;
}

/* ===== Fiche / Note d'intention / Récit ===== */
.section-label {
  display: block;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-muted);
  margin: var(--space-lg) 0 var(--space-sm);
}

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

.verse {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--color-ink);
  border-left: 2px solid var(--color-line);
  padding-left: var(--space-sm);
  margin: var(--space-md) 0;
  max-width: 55ch;
}

.verse p {
  margin: 0 0 0.4rem;
}

.fiche {
  margin-top: var(--space-lg);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-line);
  font-size: 0.82rem;
  color: var(--color-muted);
  max-width: 70ch;
}

.see-also {
  margin-top: var(--space-sm);
  font-size: 0.85rem;
  color: var(--color-muted);
}

.see-also a {
  font-style: italic;
  border-bottom: 1px solid var(--color-line);
}

.see-also a:hover {
  border-bottom-color: var(--color-muted);
}

.category-hub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-md);
  padding-bottom: var(--space-xl);
}

.category-card {
  border: 1px solid var(--color-line);
  padding: var(--space-md);
  transition: opacity 0.2s ease;
}

.category-card:hover {
  opacity: 0.7;
}

.category-card .category-card-image {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: linear-gradient(160deg, #efeeec, #f9f8f6);
  border: 1px solid var(--color-line);
  margin-bottom: var(--space-sm);
}

.category-card .category-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.category-card h3 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 1.2rem;
  margin: 0 0 0.3rem;
}

.category-card p {
  color: var(--color-muted);
  font-size: 0.9rem;
  margin: 0;
}

.closing-line {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.2rem;
  margin: var(--space-lg) 0;
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-line);
}

.cv-block {
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-line);
}

.cv-block h2 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 1.2rem;
  margin-bottom: 0.4rem;
}

.cv-block p {
  color: var(--color-muted);
  font-size: 0.92rem;
  margin: 0 0 var(--space-md);
}

/* ===== Artwork detail page ===== */
.back-link {
  display: inline-block;
  margin-top: var(--space-lg);
  color: var(--color-muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.back-link:hover {
  color: var(--color-ink);
  border-bottom-color: var(--color-ink);
}

.artwork-header {
  padding-top: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-line);
  margin-bottom: var(--space-lg);
}

.artwork-header h1 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 2rem;
  margin: var(--space-sm) 0 0.3rem;
}

.artwork-meta {
  color: var(--color-muted);
  font-size: 0.95rem;
}

.artwork-photos {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-md);
  padding-bottom: var(--space-lg);
}

.artwork-photo {
  aspect-ratio: 4 / 3;
  background: linear-gradient(160deg, #efeeec, #f9f8f6);
  border: 1px solid var(--color-line);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  color: var(--color-muted);
  font-family: var(--font-serif);
  font-style: italic;
}

.artwork-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.hero-figure img,
.about-portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.artwork-description {
  max-width: 65ch;
  padding-bottom: var(--space-lg);
}

.artwork-description p {
  margin-bottom: var(--space-sm);
}

.artwork-nav {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--color-line);
  padding: var(--space-md) 0 var(--space-xl);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.artwork-nav a {
  color: var(--color-muted);
  transition: color 0.2s ease;
}

.artwork-nav a:hover {
  color: var(--color-ink);
}

.artwork-nav .next {
  text-align: right;
}

/* ===== Responsive ===== */
@media (max-width: 720px) {
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-line);
    flex-direction: column;
    gap: 0;
    display: none;
  }

  .nav-links.is-open { display: flex; }

  .nav-links li { width: 100%; }

  .nav-links a {
    display: block;
    padding: var(--space-sm) var(--space-md);
    border-top: 1px solid var(--color-line);
  }

  .nav-toggle { display: block; }

  .about-layout,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .about-portrait { position: static; }
}