/* =========================================================
   The Museum of Brilliance — Stylesheet
   Brand: Sapphire Night, Gallery White, Chartreuse, Brass
   Display: Cormorant Garamond  |  Body: DM Sans
   ========================================================= */

:root {
  /* Brand colors */
  --sapphire: #0F2347;
  --sapphire-soft: #1a3766;
  --emerald: #0B2A1A;
  --plum: #2E1050;
  --chartreuse: #D4E600;
  --brass: #B8922A;
  --brass-soft: #d4ae45;
  --white: #FAFAF8;
  --white-warm: #f5f4ef;

  /* Semantic */
  --text: var(--sapphire);
  --text-muted: #5a6578;
  --bg: var(--white);
  --rule: rgba(184, 146, 42, 0.35);
  --rule-soft: rgba(15, 35, 71, 0.1);

  /* Type scale */
  --display-xl: clamp(4rem, 12vw, 9rem);
  --display-lg: clamp(3rem, 7vw, 5.5rem);
  --display-md: clamp(2rem, 4vw, 3.25rem);
  --display-sm: clamp(1.5rem, 2.5vw, 2rem);
  --body-lg: clamp(1.0625rem, 1.3vw, 1.25rem);
  --body: 1rem;
  --label: 0.75rem;

  /* Spacing */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --space-6: 6rem;
  --space-7: clamp(5rem, 12vh, 9rem);

  /* Layout */
  --max-width: 1400px;
  --gutter: clamp(1.5rem, 5vw, 4rem);
}

/* ---------- Reset ---------- */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'DM Sans', system-ui, sans-serif;
  font-weight: 300;
  font-size: var(--body);
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 220ms ease, border-color 220ms ease, opacity 220ms ease;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ---------- Typography ---------- */

.display {
  font-family: 'Cormorant Garamond', 'Times New Roman', serif;
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.01em;
}

.display--xl {
  font-size: var(--display-xl);
  font-weight: 300;
  line-height: 0.95;
  letter-spacing: -0.025em;
}

.display--lg {
  font-size: var(--display-lg);
  font-weight: 400;
  letter-spacing: -0.015em;
}

.display--md {
  font-size: var(--display-md);
  font-weight: 400;
}

.display--sm {
  font-size: var(--display-sm);
  font-weight: 400;
}

.display--italic { font-style: italic; }

.label {
  font-family: 'DM Sans', sans-serif;
  font-weight: 400;
  font-size: var(--label);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.label--brass { color: var(--brass); }

.body-lg {
  font-size: var(--body-lg);
  line-height: 1.5;
  font-weight: 300;
}

.muted { color: var(--text-muted); }

.serif-body {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 400;
  font-size: 1.25rem;
  line-height: 1.55;
  font-style: italic;
}

/* ---------- Layout helpers ---------- */

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.section {
  padding-top: var(--space-7);
  padding-bottom: var(--space-7);
}

.section--compact {
  padding-top: var(--space-5);
  padding-bottom: var(--space-5);
}

.rule {
  height: 1px;
  background: var(--rule);
  border: 0;
  margin: 0;
}

.rule--soft {
  background: var(--rule-soft);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 250, 248, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule);
}

.site-header__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.25rem var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.375rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  line-height: 1;
  color: var(--sapphire);
  white-space: nowrap;
}

.brand small {
  display: block;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.625rem;
  font-weight: 400;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--brass);
  margin-top: 0.25rem;
}

.nav {
  display: flex;
  gap: 2.25rem;
  align-items: center;
}

.nav a {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.8125rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text);
  position: relative;
  padding: 0.25rem 0;
}

.nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--brass);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 280ms ease;
}

.nav a:hover::after,
.nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  color: var(--sapphire);
  font-size: 1.5rem;
  padding: 0.25rem;
}

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

.hero {
  min-height: 85vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: var(--space-5);
  padding-top: var(--space-6);
  padding-bottom: var(--space-6);
  position: relative;
}

.hero__label {
  margin-bottom: 2rem;
}

.hero__statement {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 300;
  font-size: clamp(2rem, 4.5vw, 3.75rem);
  line-height: 1.1;
  letter-spacing: -0.015em;
  max-width: 20ch;
}

.hero__statement em {
  font-style: italic;
  color: var(--brass);
}

.hero__rule {
  justify-self: end;
  align-self: stretch;
  width: 1px;
  background: var(--rule);
  position: relative;
}

.hero__rule::before,
.hero__rule::after {
  content: '';
  position: absolute;
  left: -2px;
  width: 5px;
  height: 5px;
  background: var(--brass);
  border-radius: 50%;
}

.hero__rule::before { top: 0; }
.hero__rule::after { bottom: 0; }

.hero__meta {
  position: absolute;
  bottom: 2rem;
  left: var(--gutter);
  display: flex;
  gap: 3rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

/* ---------- Page header (interior pages) ---------- */

.page-header {
  padding-top: var(--space-6);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--rule);
}

.page-header__label {
  display: block;
  margin-bottom: 1.5rem;
}

.page-header__title {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 400;
  font-size: var(--display-lg);
  line-height: 1;
  letter-spacing: -0.015em;
  max-width: 18ch;
}

.page-header__lede {
  max-width: 50ch;
  margin-top: 2rem;
  font-size: var(--body-lg);
  color: var(--text-muted);
  line-height: 1.55;
}

/* ---------- Exhibition / work grid ---------- */

.section-title {
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
  margin-bottom: var(--space-4);
}

.section-title__number {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 1.25rem;
  color: var(--brass);
  font-weight: 400;
}

.section-title__text {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.8125rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text);
}

.section-title__rule {
  flex: 1;
  height: 1px;
  background: var(--rule);
}

.exhibition-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-4) var(--space-3);
}

.exhibition-card {
  display: block;
  color: inherit;
  position: relative;
  transition: transform 300ms cubic-bezier(0.2, 0.8, 0.3, 1);
}

.exhibition-card:hover {
  transform: translateY(-4px);
}

.exhibition-card__image {
  aspect-ratio: 4 / 5;
  background: var(--white-warm);
  overflow: hidden;
  margin-bottom: 1.25rem;
  position: relative;
  border: 1px solid var(--rule-soft);
}

.exhibition-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 700ms cubic-bezier(0.2, 0.8, 0.3, 1), filter 400ms ease;
}

.exhibition-card:hover .exhibition-card__image img {
  transform: scale(1.03);
}

/* placeholder when no image exists yet */
.exhibition-card__placeholder {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background:
    linear-gradient(180deg, var(--white-warm) 0%, #efece3 100%);
  color: var(--brass);
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 1.125rem;
}

.exhibition-card__placeholder::before {
  content: '';
  position: absolute;
  inset: 1.5rem;
  border: 1px solid var(--rule);
}

.exhibition-card__meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 0.5rem;
}

.exhibition-card__title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.625rem;
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.exhibition-card__number {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  color: var(--brass);
  font-size: 1rem;
}

.exhibition-card__detail {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.8125rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ---------- Individual work listing (on series pages) ---------- */

.work-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-4) var(--space-3);
}

.work-item__image {
  aspect-ratio: 1 / 1.2;
  background: var(--white-warm);
  border: 1px solid var(--rule-soft);
  margin-bottom: 1rem;
  position: relative;
  overflow: hidden;
}

.work-item__caption {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 1.125rem;
  line-height: 1.35;
}

.work-item__caption span {
  display: block;
  font-family: 'DM Sans', sans-serif;
  font-style: normal;
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 0.35rem;
}

/* ---------- Two-column editorial layout ---------- */

.two-col {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-5);
  align-items: start;
}

.two-col__aside {
  position: sticky;
  top: 6rem;
}

.prose {
  max-width: 62ch;
  font-size: var(--body-lg);
  line-height: 1.7;
  color: var(--text);
}

.prose p + p {
  margin-top: 1.25em;
}

.prose p:first-letter {
  font-family: 'Cormorant Garamond', serif;
  font-size: 3em;
  float: left;
  line-height: 0.85;
  padding: 0.1em 0.1em 0 0;
  color: var(--brass);
  font-weight: 400;
}

.prose--plain p:first-letter {
  font-size: inherit;
  float: none;
  padding: 0;
  color: inherit;
}

/* ---------- Info list (biography CV, exhibition list) ---------- */

.info-list {
  list-style: none;
  display: grid;
  gap: 1.25rem;
}

.info-list__item {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 2rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--rule-soft);
  align-items: baseline;
}

.info-list__year {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  color: var(--brass);
  font-size: 1rem;
}

.info-list__body {
  font-size: 0.9375rem;
  line-height: 1.5;
}

.info-list__body strong {
  font-weight: 400;
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.125rem;
  display: block;
  margin-bottom: 0.15rem;
}

/* ---------- Inquiry form ---------- */

.form {
  max-width: 580px;
  display: grid;
  gap: 1.75rem;
}

.form-field {
  display: grid;
  gap: 0.5rem;
}

.form-field label {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.form-field input,
.form-field textarea,
.form-field select {
  font-family: 'DM Sans', sans-serif;
  font-size: 1rem;
  font-weight: 300;
  padding: 0.75rem 0;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--rule);
  color: var(--text);
  transition: border-color 220ms ease;
}

.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  outline: none;
  border-bottom-color: var(--brass);
}

.form-field textarea {
  resize: vertical;
  min-height: 120px;
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.125rem;
  font-style: italic;
}

.button {
  justify-self: start;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.8125rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 1rem 2.5rem;
  background: var(--sapphire);
  color: var(--white);
  transition: background 240ms ease, transform 240ms ease;
  cursor: pointer;
  border: 1px solid var(--sapphire);
}

.button:hover {
  background: var(--chartreuse);
  color: var(--sapphire);
  border-color: var(--chartreuse);
}

.button--ghost {
  background: transparent;
  color: var(--sapphire);
}

.button--ghost:hover {
  background: var(--sapphire);
  color: var(--white);
}

.button--chartreuse {
  background: var(--chartreuse);
  color: var(--sapphire);
  border-color: var(--chartreuse);
}

.button--chartreuse:hover {
  background: var(--sapphire);
  color: var(--white);
  border-color: var(--sapphire);
}

/* ---------- Spring (the dark branch) ---------- */

.spring-body {
  background: var(--emerald);
  color: var(--white);
}

.spring-body .brand,
.spring-body .nav a,
.spring-body .page-header__title {
  color: var(--white);
}

.spring-body .site-header {
  background: rgba(11, 42, 26, 0.92);
  border-bottom-color: rgba(212, 230, 0, 0.2);
}

.spring-body .page-header {
  border-bottom-color: rgba(212, 230, 0, 0.2);
}

.spring-hero {
  min-height: 80vh;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  align-items: center;
  gap: var(--space-5);
  padding-top: var(--space-6);
  padding-bottom: var(--space-6);
}

.spring-hero__title {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 300;
  font-size: clamp(2.5rem, 6vw, 5rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--white);
}

.spring-hero__title em {
  font-style: italic;
  color: var(--chartreuse);
}

.spring-hero__body {
  font-size: var(--body-lg);
  line-height: 1.6;
  max-width: 42ch;
  color: rgba(250, 250, 248, 0.8);
}

.spring-body .label {
  color: var(--chartreuse);
}

.spring-body .button {
  background: var(--chartreuse);
  color: var(--emerald);
  border-color: var(--chartreuse);
}

.spring-body .button:hover {
  background: var(--white);
  color: var(--emerald);
  border-color: var(--white);
}

.spring-body a.inline-link {
  border-bottom: 1px solid var(--chartreuse);
  padding-bottom: 2px;
}

.spring-body a.inline-link:hover {
  color: var(--chartreuse);
}

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

.site-footer {
  background: var(--sapphire);
  color: var(--white);
  padding: var(--space-6) 0 var(--space-3);
  margin-top: var(--space-7);
}

.spring-body .site-footer {
  background: #050d09;
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1.3fr 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

.site-footer__brand {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.5rem;
  font-weight: 400;
  line-height: 1.15;
  max-width: 10ch;
  letter-spacing: -0.005em;
}

.site-footer__label {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--brass-soft);
  margin-bottom: 1.25rem;
}

.site-footer__text {
  font-size: 0.875rem;
  line-height: 1.6;
  color: rgba(250, 250, 248, 0.78);
  font-weight: 300;
}

.site-footer__text a {
  border-bottom: 1px solid rgba(212, 230, 0, 0.4);
}

.site-footer__text a:hover {
  color: var(--chartreuse);
  border-bottom-color: var(--chartreuse);
}

.site-footer__nav {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  font-size: 0.875rem;
}

.site-footer__nav a {
  color: rgba(250, 250, 248, 0.78);
}

.site-footer__nav a:hover {
  color: var(--chartreuse);
}

.site-footer__bottom {
  display: flex;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid rgba(250, 250, 248, 0.1);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(250, 250, 248, 0.5);
}

.site-footer__bottom span:last-child {
  color: var(--brass-soft);
}

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

.mt-0 { margin-top: 0; }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-5 { margin-top: var(--space-5); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-5 { margin-bottom: var(--space-5); }

.text-center { text-align: center; }

/* ---------- Password gate ---------- */

.gate {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem;
  background: var(--white);
}

.gate__inner {
  text-align: center;
  max-width: 420px;
}

.gate__label {
  margin-bottom: 1.5rem;
}

.gate__title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 2.5rem;
  font-weight: 300;
  line-height: 1.1;
  margin-bottom: 1rem;
}

.gate__help {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  line-height: 1.5;
}

.gate__input {
  width: 100%;
  text-align: center;
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 1.25rem;
  padding: 0.75rem;
  border: none;
  border-bottom: 1px solid var(--rule);
  background: transparent;
  margin-bottom: 1.5rem;
}

.gate__input:focus {
  outline: none;
  border-bottom-color: var(--brass);
}

.gate__error {
  font-size: 0.8125rem;
  color: #a83232;
  margin-top: 1rem;
  min-height: 1.2em;
  font-style: italic;
}

/* ---------- Reveal animation ---------- */

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.reveal {
  opacity: 0;
  animation: fadeUp 900ms cubic-bezier(0.2, 0.8, 0.3, 1) forwards;
}

.reveal:nth-child(2) { animation-delay: 120ms; }
.reveal:nth-child(3) { animation-delay: 240ms; }
.reveal:nth-child(4) { animation-delay: 360ms; }

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: var(--space-5);
    padding-bottom: var(--space-5);
  }
  .hero__rule { display: none; }
  .hero__meta { position: static; margin-top: 3rem; flex-wrap: wrap; gap: 1.5rem; }

  .two-col {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
  .two-col__aside {
    position: static;
  }

  .spring-hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .site-footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
  }

  .site-footer__bottom {
    flex-direction: column;
    gap: 0.5rem;
  }
}

@media (max-width: 640px) {
  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--white);
    padding: 1.5rem var(--gutter);
    border-bottom: 1px solid var(--rule);
    gap: 1.25rem;
  }

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

  .spring-body .nav {
    background: var(--emerald);
  }

  .nav-toggle {
    display: block;
  }

  .info-list__item {
    grid-template-columns: 80px 1fr;
    gap: 1rem;
  }

  .site-footer__grid {
    grid-template-columns: 1fr;
  }
}