/* New Arte Gallery -- main stylesheet */

:root {
  --header-height: 76px;

  --ink: #211c17;
  --ink-muted: #5b5349;
  --ink-faint: #8a8074;

  --cream: #f8f4ec;
  --cream-soft: #f1eadc;
  --cream-border: #e3d9c6;

  --dark-bg: #15120f;
  --dark-surface: #211c17;
  --dark-border: rgba(248, 244, 236, 0.10);
  --dark-text: #f3ede0;
  --dark-text-muted: rgba(243, 237, 224, 0.62);
  --dark-text-faint: rgba(243, 237, 224, 0.40);

  --gold: #c8973a;
  --gold-light: #e0b563;
  --gold-soft: rgba(200, 151, 58, 0.14);

  --font-heading: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

  --max-width: 1240px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;

  --space-1: 4px; --space-2: 8px; --space-3: 12px; --space-4: 16px;
  --space-5: 20px; --space-6: 24px; --space-8: 32px; --space-10: 40px;
  --space-12: 48px; --space-16: 64px; --space-20: 80px; --space-24: 96px;

  --transition-fast: 0.18s ease;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 300;
  background: var(--cream);
  color: var(--ink);
  line-height: 1.6;
  padding-top: var(--header-height);
}

h1, h2, h3, h4, h5 {
  font-family: var(--font-heading);
  font-weight: 250;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin: 0 0 var(--space-4);
  color: var(--ink);
}

h1 { font-size: clamp(2.1rem, 4vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
h3 { font-size: 1.3rem; }

p { margin: 0 0 var(--space-4); color: var(--ink-muted); }
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-6);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 13px 28px;
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}
.btn--gold { background: var(--gold); color: var(--dark-bg); }
.btn--gold:hover { background: var(--gold-light); }
.btn--outline-dark { background: transparent; color: var(--dark-text); border-color: var(--dark-border); }
.btn--outline-dark:hover { border-color: var(--gold); color: var(--gold-light); }
.btn--outline-ink { background: transparent; color: var(--ink); border-color: var(--cream-border); }
.btn--outline-ink:hover { border-color: var(--gold); color: var(--gold); }

.eyebrow {
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: var(--space-3);
}

/* ── Header / Nav ─────────────────────────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-height);
  background: var(--dark-bg);
  border-bottom: 1px solid var(--dark-border);
  z-index: 200;
}
.site-header__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding: 0 var(--space-6);
}

.site-header__brand { display: flex; flex-direction: column; line-height: 1.1; }
.site-header__brand-name {
  font-family: var(--font-heading);
  font-weight: 300;
  font-size: 1.3rem;
  letter-spacing: -0.01em;
  color: var(--dark-text);
}
.site-header__brand-name .accent-script { color: var(--gold); font-style: italic; }
.site-header__brand-tag {
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--dark-text-faint);
  margin-top: 2px;
}

.site-nav { display: flex; align-items: center; gap: var(--space-6); }
.site-nav__item { position: relative; }
.site-nav__link {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.84rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--dark-text-muted);
  padding: var(--space-2) 0;
  transition: color var(--transition-fast);
}
.site-nav__link:hover, .site-nav__link--active { color: var(--dark-text); }
.site-nav__chevron { transition: transform var(--transition-fast); opacity: 0.6; }
.site-nav__item--has-dropdown:hover .site-nav__chevron,
.site-nav__item--has-dropdown:focus-within .site-nav__chevron { transform: rotate(180deg); opacity: 1; }

.site-nav__dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  padding-top: var(--space-3);
  min-width: 220px;
  z-index: 100;
}
.site-nav__dropdown-inner {
  background: var(--dark-surface);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-md);
  padding: var(--space-2) 0;
  box-shadow: 0 16px 40px rgba(0,0,0,0.45);
}
.site-nav__item--has-dropdown:hover .site-nav__dropdown,
.site-nav__item--has-dropdown:focus-within .site-nav__dropdown,
.site-nav__item--has-dropdown.is-open-hover .site-nav__dropdown { display: block; }

.site-nav__dropdown-link {
  display: block;
  padding: 10px var(--space-4);
  font-size: 0.84rem;
  color: var(--dark-text-muted);
  transition: color var(--transition-fast), background var(--transition-fast);
}
.site-nav__dropdown-link:hover { color: var(--dark-text); background: rgba(248,244,236,0.05); }

.site-header__actions { display: flex; align-items: center; gap: var(--space-4); flex-shrink: 0; }

.site-nav-toggle {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  width: 48px;
  height: 48px;
  padding: 0;
  background: rgba(248,244,236,0.06);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-md);
  color: var(--dark-text-muted);
  cursor: pointer;
}
.site-nav-toggle__bars { display: flex; flex-direction: column; gap: 4px; margin-bottom: 3px; }
.site-nav-toggle__bars span { display: block; width: 18px; height: 1.5px; background: currentColor; border-radius: 1px; }
.site-nav-toggle__label {
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.1em;
  line-height: 1;
}
.site-nav-toggle:hover { color: var(--dark-text); border-color: var(--gold); }

/* Mobile menu: fixed overlay panel below header bar */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0; right: 0; bottom: 0;
  background: var(--dark-bg);
  z-index: 190;
  overflow-y: auto;
}
.mobile-menu.is-open { display: block; }
.mobile-menu__list { list-style: none; margin: 0; padding: var(--space-6); }
.mobile-menu__list li { border-bottom: 1px solid var(--dark-border); }
.mobile-menu__list a {
  display: block;
  padding: var(--space-4) var(--space-2);
  font-size: 1.05rem;
  color: var(--dark-text);
}
.mobile-menu__sublist { list-style: none; margin: 0; padding: 0 0 var(--space-3) var(--space-4); }
.mobile-menu__sublist a { font-size: 0.92rem; color: var(--dark-text-muted); padding: var(--space-2) var(--space-2); }
.mobile-menu__cta { margin-top: var(--space-6); }

/* ── Hero ─────────────────────────────────────────────────────────────────── */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 560px;
  background: var(--dark-bg);
}
.hero__text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-20) var(--space-10);
}
.hero__title { color: var(--dark-text); }
.hero__title .accent-script { color: var(--gold); font-style: italic; font-weight: 300; }
.hero__lead { color: var(--dark-text-muted); font-size: 1.05rem; max-width: 460px; margin-bottom: var(--space-8); }
.hero__ctas { display: flex; gap: var(--space-4); flex-wrap: wrap; }
.hero__visual {
  background: linear-gradient(135deg, #2c2440 0%, #7d3c5e 25%, #c8973a 55%, #2f5c6b 80%, #1a1612 100%);
  position: relative;
  min-height: 320px;
}
.hero__visual::after {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.18), transparent 60%);
}

/* ── Constellation strip ──────────────────────────────────────────────────── */
.constellation-strip {
  background: var(--cream-soft);
  border-bottom: 1px solid var(--cream-border);
  padding: var(--space-5) 0;
}
.constellation-strip__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-6);
}
.constellation-strip__label {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.constellation-strip a {
  font-size: 0.82rem;
  color: var(--ink-muted);
  transition: color var(--transition-fast);
}
.constellation-strip a:hover { color: var(--gold); }

/* ── Sections ─────────────────────────────────────────────────────────────── */
.section { padding: var(--space-20) 0; }
.section--tight { padding: var(--space-12) 0; }
.section--dark { background: var(--dark-bg); color: var(--dark-text); }
.section--dark h2, .section--dark h3 { color: var(--dark-text); }
.section--dark p { color: var(--dark-text-muted); }
.section--soft { background: var(--cream-soft); }

.section__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-10);
}
.section__head h2 { margin: 0; }
.section__head a { font-size: 0.84rem; font-weight: 600; color: var(--gold); white-space: nowrap; }
.section__head a:hover { color: var(--gold-light); }

/* ── Cards: art / artist / feature ───────────────────────────────────────── */
.art-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}
.art-card { display: block; }
.art-card__media {
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: var(--space-4);
  position: relative;
}
.art-card__media img { width: 100%; height: 100%; object-fit: cover; }
.art-card__title { font-family: var(--font-heading); font-weight: 350; font-size: 1.1rem; margin-bottom: 2px; }
.art-card__meta { font-size: 0.82rem; color: var(--ink-faint); }

/* Placeholder gradient swatches when no photography exists yet */
.art-swatch--1 { background: linear-gradient(150deg, #d68a63, #6b3f57 55%, #1c2740); }
.art-swatch--2 { background: linear-gradient(150deg, #3a3a3a, #6b6b6b 55%, #d8d2c4); }
.art-swatch--3 { background: linear-gradient(150deg, #1f6f78, #c8973a 55%, #3a2d4a); }
.art-swatch--4 { background: linear-gradient(150deg, #4a5d4f, #c2b280 55%, #2a2420); }
.art-swatch--5 { background: linear-gradient(150deg, #5c4a72, #c8973a 55%, #20384a); }
.art-swatch--6 { background: linear-gradient(150deg, #2a2420, #8a6d4f 55%, #d8cdb8); }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}
.feature-card__media { aspect-ratio: 16/10; border-radius: var(--radius-md); overflow: hidden; margin-bottom: var(--space-4); }
.feature-card__media img { width: 100%; height: 100%; object-fit: cover; }
.feature-card h3 { margin-bottom: var(--space-2); }

/* ── Exhibition banner ────────────────────────────────────────────────────── */
.exhibit-banner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10);
  align-items: center;
  background: var(--dark-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.exhibit-banner__media {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  height: 100%;
  min-height: 280px;
}
.exhibit-banner__media div { background-size: cover; }
.exhibit-banner__text { padding: var(--space-10); }
.exhibit-banner__text .eyebrow { color: var(--gold-light); }
.exhibit-banner__text h2 { color: var(--dark-text); }
.exhibit-banner__text p { color: var(--dark-text-muted); }

/* ── Newsletter ───────────────────────────────────────────────────────────── */
.newsletter {
  background: var(--dark-bg);
  border-top: 1px solid var(--dark-border);
  padding: var(--space-16) 0;
  text-align: center;
}
.newsletter h2 { color: var(--dark-text); }
.newsletter p { color: var(--dark-text-muted); max-width: 480px; margin: 0 auto var(--space-6); }
.newsletter__form { display: flex; justify-content: center; gap: var(--space-3); max-width: 460px; margin: 0 auto; flex-wrap: wrap; }
.newsletter__form input[type="email"] {
  flex: 1;
  min-width: 220px;
  padding: 13px var(--space-4);
  border-radius: var(--radius-sm);
  border: 1px solid var(--dark-border);
  background: rgba(248,244,236,0.06);
  color: var(--dark-text);
  font-size: 0.9rem;
}
.newsletter__form input::placeholder { color: var(--dark-text-faint); }

/* ── Footer ───────────────────────────────────────────────────────────────── */
.site-footer { background: var(--dark-bg); padding: var(--space-16) 0 var(--space-8); }
.site-footer__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: var(--space-10);
  padding-bottom: var(--space-10);
  border-bottom: 1px solid var(--dark-border);
  margin-bottom: var(--space-8);
}
.site-footer__brand-name { font-family: var(--font-heading); font-size: 1.3rem; color: var(--dark-text); margin-bottom: var(--space-2); }
.site-footer__desc { font-size: 0.88rem; color: var(--dark-text-muted); max-width: 320px; }
.site-footer__col-heading {
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--dark-text-faint); margin-bottom: var(--space-4);
}
.site-footer__links { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: var(--space-3); }
.site-footer__links a { font-size: 0.88rem; color: var(--dark-text-muted); }
.site-footer__links a:hover { color: var(--dark-text); }
.site-footer__bottom { display: flex; justify-content: space-between; align-items: center; gap: var(--space-4); flex-wrap: wrap; }
.site-footer__bottom span { font-size: 0.78rem; color: var(--dark-text-faint); }
.site-footer__constellation { margin-top: var(--space-6); display: flex; flex-wrap: wrap; gap: var(--space-4); }
.site-footer__constellation a { font-size: 0.78rem; color: var(--dark-text-faint); }
.site-footer__constellation a:hover { color: var(--gold-light); }

/* ── Generic page hero / breadcrumbs ─────────────────────────────────────── */
.page-hero { background: var(--dark-bg); padding: var(--space-16) 0 var(--space-12); }
.page-hero h1 { color: var(--dark-text); }
.page-hero p { color: var(--dark-text-muted); max-width: 620px; }
.breadcrumbs { display: flex; gap: var(--space-2); font-size: 0.78rem; color: var(--dark-text-faint); margin-bottom: var(--space-4); flex-wrap: wrap; }
.breadcrumbs a { color: var(--dark-text-faint); }
.breadcrumbs a:hover { color: var(--gold-light); }

/* ── Forms ────────────────────────────────────────────────────────────────── */
.form-group { margin-bottom: var(--space-5); }
.form-label { display: block; font-size: 0.8rem; font-weight: 600; margin-bottom: var(--space-2); color: var(--ink); }
.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 12px var(--space-4);
  border: 1px solid var(--cream-border);
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-family: var(--font-body);
  background: #fff;
  color: var(--ink);
}
.form-textarea { min-height: 140px; resize: vertical; }
.form-success { background: var(--gold-soft); border: 1px solid var(--gold); padding: var(--space-5); border-radius: var(--radius-md); }
.form-errors { background: #fbeaea; border: 1px solid #d96b6b; padding: var(--space-4); border-radius: var(--radius-md); margin-bottom: var(--space-5); color: #8a2a2a; }

/* ── Glossary / FAQ / Directory / Library ────────────────────────────────── */
.glossary-alpha { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-bottom: var(--space-8); }
.glossary-alpha a, .glossary-alpha span { width: 28px; height: 28px; display: flex; align-items: center; justify-content: center; font-size: 0.8rem; border-radius: 50%; }
.glossary-alpha a { background: var(--cream-soft); color: var(--ink); }
.glossary-alpha a:hover { background: var(--gold-soft); color: var(--gold); }
.glossary-alpha span { color: var(--ink-faint); opacity: 0.4; }
.glossary-entry { display: flex; justify-content: space-between; align-items: baseline; padding: var(--space-4) 0; border-bottom: 1px solid var(--cream-border); }
.glossary-entry__term { font-weight: 600; }
.glossary-entry__def { color: var(--ink-faint); font-size: 0.88rem; }

.faq-item { border-bottom: 1px solid var(--cream-border); padding: var(--space-5) 0; }
.faq-item summary { font-weight: 600; cursor: pointer; font-size: 1.02rem; }
.faq-item p { margin-top: var(--space-3); }

.directory-section { margin-bottom: var(--space-12); }
.directory-list { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-2) var(--space-8); }
.directory-list a { font-size: 0.92rem; color: var(--ink-muted); }
.directory-list a:hover { color: var(--gold); }

.library-row { display: flex; justify-content: space-between; gap: var(--space-4); padding: var(--space-5) 0; border-bottom: 1px solid var(--cream-border); }
.library-row__type { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--gold); margin-bottom: var(--space-1); }
.library-row__title { font-family: var(--font-heading); font-size: 1.1rem; }

/* ── Responsive ───────────────────────────────────────────────────────────── */
@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; }
  .hero__text { padding: var(--space-16) var(--space-6); }
  .exhibit-banner { grid-template-columns: 1fr; }
  .exhibit-banner__media { min-height: 220px; }
  .art-grid, .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .site-footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .site-nav { display: none; }
  .site-nav-toggle { display: flex; }
  .art-grid, .feature-grid { grid-template-columns: 1fr; }
  .directory-list { grid-template-columns: 1fr; }

  .site-footer__grid { grid-template-columns: 1fr; text-align: left; }
  .site-footer__links a { font-size: 1.76rem; line-height: 1.4; }
  .site-footer__bottom span { font-size: 1.56rem; }
  .site-footer__col-heading { font-size: 1.44rem; }
  .site-footer__brand-name { font-size: 2.4rem; }
  .site-footer__desc { font-size: 1.76rem; max-width: none; line-height: 1.5; }
  .site-footer__bottom { flex-direction: column; align-items: flex-start; }
  .site-footer__constellation a { font-size: 1.56rem; }

  h1 { font-size: 2.1rem; }
}

@media (max-width: 480px) {
  .container { padding: 0 var(--space-4); }
  .hero__ctas { flex-direction: column; }
  .hero__ctas .btn { width: 100%; }
}