/* Herat Calligraphy — main stylesheet */

:root {
  --color-bg: #faf5ea;
  --color-bg-alt: #f2e9d8;
  --color-ink: #2a2320;
  --color-ink-soft: #5c5049;
  --color-accent: #8a2e2e;
  --color-accent-dark: #6c1f1f;
  --color-gold: #b8863b;
  --color-line: #e2d6bd;
  --radius: 10px;
  --shadow: 0 4px 18px rgba(42, 35, 32, 0.08);
  --font-en-head: "Cormorant Garamond", Georgia, serif;
  --font-en-body: "Inter", -apple-system, sans-serif;
  --font-fa: "Vazirmatn", Tahoma, sans-serif;
  --container-w: 1080px;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-en-body);
  line-height: 1.6;
}

html[lang="fa"] body {
  font-family: var(--font-fa);
}

/* language toggle visibility */
.lang.fa { font-family: var(--font-fa); }
html:not([lang="fa"]) .lang.fa { display: none; }
html[lang="fa"] .lang.en { display: none; }
html[lang="fa"] { direction: rtl; }

.container {
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: 24px;
}

a { color: var(--color-accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 { font-family: var(--font-en-head); font-weight: 600; margin: 0 0 0.5em; color: var(--color-ink); }
html[lang="fa"] h1, html[lang="fa"] h2, html[lang="fa"] h3, html[lang="fa"] h4 {
  font-family: var(--font-fa); font-weight: 700;
}

p { margin: 0 0 1em; }

/* Header */
.site-header {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-line);
  position: sticky;
  top: 0;
  z-index: 20;
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  padding-block: 14px;
  flex-wrap: wrap;
}

.brand {
  font-family: var(--font-en-head);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-accent-dark);
  margin-inline-end: auto;
}
html[lang="fa"] .brand { font-family: var(--font-fa); }

.main-nav {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.main-nav a {
  color: var(--color-ink);
  font-size: 0.95rem;
  font-weight: 500;
}

.main-nav a.active { color: var(--color-accent); }

.lang-toggle {
  background: var(--color-accent);
  color: #fff;
  border: none;
  border-radius: 999px;
  padding: 6px 16px;
  font-size: 0.85rem;
  cursor: pointer;
  font-family: inherit;
}
.lang-toggle:hover { background: var(--color-accent-dark); }

/* Hero */
.hero {
  position: relative;
  padding: 88px 0 64px;
  text-align: center;
  background: linear-gradient(180deg, var(--color-bg-alt), var(--color-bg));
  border-bottom: 1px solid var(--color-line);
}
.hero h1 { font-size: 2.6rem; margin-bottom: 0.3em; }
.hero p.tagline { font-size: 1.15rem; color: var(--color-ink-soft); max-width: 640px; margin-inline: auto; }
.hero .cta-row { margin-top: 28px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: 10px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid var(--color-accent);
  color: var(--color-accent-dark);
  background: transparent;
}
.btn:hover { background: var(--color-accent); color: #fff; text-decoration: none; }
.btn.primary { background: var(--color-accent); color: #fff; }
.btn.primary:hover { background: var(--color-accent-dark); }

section { padding: 56px 0; }
section.alt { background: var(--color-bg-alt); border-top: 1px solid var(--color-line); border-bottom: 1px solid var(--color-line); }
.section-head { margin-bottom: 28px; }
.section-head .intro { color: var(--color-ink-soft); max-width: 640px; }

/* Cards / grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

.card {
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  transition: transform 0.15s ease;
}
.card:hover { transform: translateY(-3px); }

.card .cover {
  aspect-ratio: 16/9;
  background: var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.card .cover img { width: 100%; height: 100%; object-fit: cover; }

.card .card-body { padding: 18px 18px 20px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.card .card-body h3 { font-size: 1.15rem; margin-bottom: 0.2em; }
.card .meta { font-size: 0.85rem; color: var(--color-ink-soft); }
.card .card-link { margin-top: auto; font-weight: 600; font-size: 0.9rem; }

/* Calligrapher cards */
.person-card { text-align: center; padding: 26px 18px; }
.person-card .avatar {
  width: 88px; height: 88px; border-radius: 50%;
  background: var(--color-gold); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-en-head); font-size: 1.8rem;
  margin: 0 auto 14px;
}

/* Book detail */
.book-hero {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 36px;
  align-items: start;
}
@media (max-width: 720px) { .book-hero { grid-template-columns: 1fr; } }
.book-hero .cover img { width: 100%; border-radius: var(--radius); box-shadow: var(--shadow); }
.meta-table { margin: 18px 0; border-collapse: collapse; font-size: 0.95rem; }
.meta-table td { padding: 4px 0; }
.meta-table td:first-child { color: var(--color-ink-soft); padding-inline-end: 14px; white-space: nowrap; }

.parts-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.parts-list li {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  background: #fff; border: 1px solid var(--color-line); border-radius: 8px; padding: 12px 16px;
  flex-wrap: wrap;
}
.parts-list .part-label { font-weight: 600; }
.parts-list .part-size { color: var(--color-ink-soft); font-size: 0.85rem; }

.preview-frame {
  width: 100%; height: 640px; border: 1px solid var(--color-line); border-radius: var(--radius);
  margin-top: 20px; background: #fff;
}

/* Library filters */
.filters { display: flex; gap: 12px; margin-bottom: 28px; flex-wrap: wrap; }
.filters input, .filters select {
  padding: 10px 14px; border: 1px solid var(--color-line); border-radius: 8px;
  font-family: inherit; font-size: 0.95rem; background: #fff;
}
.filters input { flex: 1; min-width: 220px; }

/* Contact form */
.contact-form { max-width: 560px; }
.contact-form label { display: block; font-weight: 600; margin-bottom: 6px; font-size: 0.9rem; }
.contact-form input, .contact-form textarea {
  width: 100%; padding: 11px 14px; margin-bottom: 18px;
  border: 1px solid var(--color-line); border-radius: 8px; font-family: inherit; font-size: 0.95rem;
}
.contact-form textarea { min-height: 140px; resize: vertical; }

.bio-pending-note {
  display: inline-block; margin-top: 6px; font-size: 0.85rem; color: var(--color-ink-soft);
  background: var(--color-bg-alt); border-radius: 6px; padding: 4px 10px;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-line);
  padding: 28px 0;
  text-align: center;
  color: var(--color-ink-soft);
  font-size: 0.85rem;
}

.empty-state { color: var(--color-ink-soft); padding: 40px 0; text-align: center; }

/* Flipbook viewer */
.flip-toolbar {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 18px;
}
.flip-toolbar select {
  padding: 8px 12px; border: 1px solid var(--color-line); border-radius: 8px;
  font-family: inherit; font-size: 0.9rem; background: #fff;
}
.flip-part-label { font-size: 0.85rem; color: var(--color-ink-soft); }
.flip-page-indicator { font-size: 0.85rem; color: var(--color-ink-soft); margin-inline-start: auto; }

.flipbook-container {
  position: relative;
  margin: 0 auto;
  min-height: 320px;
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  display: flex;
  justify-content: center;
}
.flipbook-container .page {
  background: #fff;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 0 1px var(--color-line) inset;
}
.flipbook-container .page canvas {
  width: 100%;
  height: 100%;
  display: block;
}