/* Shared layout + typography — all pages */
@import url("https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;1,400&display=swap");
@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+Arabic:wght@400;500;600;700&display=swap");

:root {
  --brand: #802d39;
  --brand-dark: #5c2128;
  --brand-soft: #f4ecee;
  --taupe-bar: #cbc8bd;
  --taupe-bar-hover: #bfb9aa;
  --bg: #f4f1e7;
  --bg-quote: #f0ede4;
  --text: #2f2b22;
  --text-muted: rgba(47, 43, 35, 0.62);
  --heading: var(--brand);
  --cite-color: #8f4f5a;
  --rule: #d0b8bc;
  --rule-light: #e8d9dc;
  --link: rgba(128, 45, 57, 0.68);
  --link-hover: var(--brand-dark);
  --max-width: 980px;
  --font-sans: "Cantarell", Verdana, Geneva, sans-serif;
  --font-serif: "Crimson Text", Georgia, "Times New Roman", serif;
  --font-display:
    "Cormorant Garamond", "Crimson Text", Georgia, "Times New Roman", serif;
  --fs-body: 14px;
  --lh-body: 24px;
  --fs-h1: 28px;
  --fs-h2: 24px;
  --fs-h3: 20px;
  --fs-quote: 24px;
  --lh-quote: 28px;
  --fs-cite: 12px;
  --fs-nav: 14px;
  --fs-scroll: 14px;
  --fs-small: 12px;
  --fs-icon-menu: 20px;
  --fs-icon-lg: 26px;
}

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

html {
  margin: 0;
  padding: 0;
  font-size: 100%;
  scroll-behavior: smooth;
}

html[dir="rtl"] body {
  font-family: "Noto Sans Arabic", var(--font-sans);
}

html[dir="rtl"] .section-title,
html[dir="rtl"] .page-intro h1,
html[dir="rtl"] .about-name,
html[dir="rtl"] .book-row h3,
html[dir="rtl"] .exhibition-list h3 {
  font-family: "Noto Sans Arabic", var(--font-display);
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  font-weight: 400;
  color: var(--text);
  background-color: var(--bg);
  background-image:
    radial-gradient(
      ellipse 120% 70% at 50% -15%,
      color-mix(in srgb, var(--brand) 9%, transparent) 0%,
      transparent 58%
    ),
    radial-gradient(
      ellipse 90% 55% at 100% 100%,
      color-mix(in srgb, var(--brand) 5%, transparent) 0%,
      transparent 45%
    ),
    url("../assets/bg.jpg");
  background-repeat: no-repeat, no-repeat, repeat;
  background-position:
    center top,
    center,
    left top;
  background-size:
    100% 420px,
    100% 100%,
    auto;
}

::selection {
  background: color-mix(in srgb, var(--brand) 22%, var(--brand-soft));
  color: var(--brand-dark);
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
}

a {
  color: var(--link);
  text-decoration: underline;
}

a:hover {
  color: var(--link-hover);
}

/* Main + typography */
main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 36px 20px 56px;
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  position: relative;
}

.page-intro {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 28px;
}

.page-intro h1 {
  font-family: var(--font-display);
  font-size: clamp(1.65rem, 3.2vw, 2.125rem);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--heading);
  margin: 0 0 8px;
  position: relative;
  padding-bottom: 4px;
}

.page-intro h1::after {
  content: "";
  display: block;
  width: min(100px, 36%);
  height: 1px;
  margin: 16px auto 0;
  background: linear-gradient(
    90deg,
    transparent,
    var(--brand) 18%,
    var(--brand) 82%,
    transparent
  );
  opacity: 0.85;
}

.lead {
  font-family: var(--font-serif);
  font-size: 15px;
  line-height: 1.65;
  font-style: italic;
  font-weight: 400;
  color: var(--text-muted);
  margin: 0;
}

.page-intro .lead {
  max-width: 560px;
  margin: 12px auto 28px;
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--heading);
  margin: 40px 0 18px;
  padding: 0 0 12px;
  border-bottom: 3px double var(--rule);
}

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

.book-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 24px;
  align-items: start;
  margin-top: 8px;
}

.book-row img {
  border: 1px solid var(--rule-light);
}

.book-row h3 {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: 500;
  line-height: var(--lh-body);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--heading);
  margin: 0 0 10px;
}

.book-row p {
  margin: 0 0 12px;
  font-size: var(--fs-body);
  line-height: var(--lh-body);
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: start;
}

.prose h2 {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: 500;
  line-height: var(--lh-body);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 22px 0 8px;
}

.prose p {
  margin: 0 0 12px;
  font-size: var(--fs-body);
  line-height: 1.68;
}

.contact-box {
  max-width: 520px;
  margin: 20px auto 0;
  background: var(--brand-soft);
  border: 1px solid var(--rule-light);
  padding: 22px 22px 20px;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.6) inset;
}

.form-group {
  margin-bottom: 12px;
}

.form-group label {
  display: block;
  font-size: var(--fs-medium);
  font-weight: bold;
  margin-bottom: 4px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 8px;
  border: 1px solid var(--rule);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
}

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

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: 2px solid color-mix(in srgb, var(--brand) 40%, transparent);
  outline-offset: 1px;
  border-color: color-mix(in srgb, var(--brand) 55%, var(--rule));
}

.btn {
  display: inline-block;
  padding: 12px 22px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 1px;
  line-height: normal;
  text-transform: uppercase;
  text-align: center;
  text-decoration: none;
  color: #fdfcfa;
  background: var(--brand);
  border: none;
  cursor: pointer;
  transition: 0.2s all linear;
}

.btn:hover {
  color: var(--brand);
  background: var(--brand-soft);
  text-decoration: none;
}

main code {
  font-size: var(--fs-small);
  background: #f5f5f4;
  padding: 2px 5px;
  border: 1px solid var(--rule-light);
}

/* Full-screen image popup (see initImageLightbox in main.js) */
.image-lightbox {
  position: fixed;
  inset: 0;
  z-index: 400;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: max(16px, 3vw);
}

.image-lightbox[hidden] {
  display: none !important;
}

.image-lightbox-backdrop {
  position: absolute;
  inset: 0;
  margin: 0;
  padding: 0;
  border: none;
  cursor: pointer;
  background: color-mix(in srgb, var(--text) 78%, black);
}

.image-lightbox-frame {
  position: relative;
  z-index: 1;
  display: inline-block;
  max-width: min(96vw, 1200px);
  max-height: 90vh;
}

.image-lightbox-img {
  display: block;
  max-width: 100%;
  max-height: 85vh;
  width: auto;
  height: auto;
  object-fit: contain;
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.35);
}

.image-lightbox-close {
  position: fixed;
  top: 12px;
  right: 12px;
  z-index: 2;
  margin: 0;
  width: 44px;
  height: 44px;
  border: 1px solid color-mix(in srgb, var(--rule-light) 70%, transparent);
  border-radius: 4px;
  background: var(--bg);
  color: var(--heading);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  transition:
    background 0.2s ease,
    color 0.2s ease,
    border-color 0.2s ease;
}

.image-lightbox-close:hover {
  background: var(--brand-soft);
  color: var(--brand-dark);
  border-color: var(--brand);
}

@media (max-width: 760px) {
  .book-row {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .book-row img {
    max-width: 240px;
    margin: 0 auto;
  }

  .split {
    grid-template-columns: 1fr;
  }
}