/* ==========================================================================
   Sedika Weingärtner — design system
   Derived from the book covers: near-black and charcoal, antique gold and
   bronze, sepia and mountain browns, parchment and ivory, with the turquoise
   of the author's portrait as a signature accent.

   1. Tokens          6. Header & navigation     11. Inner pages
   2. Base            7. Hero                    12. Forms
   3. Typography      8. Home sections           13. RTL
   4. Layout          9. Books & book page       14. Motion
   5. Components     10. Journal & articles      15. Print
   ========================================================================== */

/* 1. Tokens ---------------------------------------------------------------- */
:root {
  --c-ink: #0f0e0c;
  --c-night: #151310;
  --c-charcoal: #1d1a16;
  --c-charcoal-2: #27231d;
  --c-gold: #c9a45c;
  --c-gold-soft: #ddc28a;
  --c-gold-pale: #f0e0ae;
  --c-bronze: #8c6a3c;
  --c-bronze-deep: #6e5130;
  --c-sepia: #4f3a25;
  --c-parchment: #eee4d0;
  --c-ivory: #f7f2e8;
  --c-paper: #fbf8f2;
  --c-teal-deep: #0c3c40;
  --c-teal: #0f5a5e;
  --c-turquoise: #1aa6a3;
  --c-turquoise-light: #4fd0cb;
  --c-turquoise-ink: #0b6668;

  --c-text: #1d1a15;
  --c-text-muted: #5a5245;
  --c-text-inv: #efe8da;
  --c-text-inv-muted: #b3a994;
  --c-error: #a3341f;
  --c-error-inv: #ff9b85;
  --c-success: #0b6668;

  --f-display: "Bodoni Moda", "Bodoni 72", Didot, "Times New Roman", Georgia, serif;
  --f-sans: "Jost", "Avenir Next", Avenir, "Segoe UI", system-ui, sans-serif;
  --f-fa-display: "Markazi Text", "Vazirmatn", "Iranian Sans", Tahoma, serif;
  --f-fa-sans: "Vazirmatn", "Iranian Sans", Tahoma, sans-serif;

  --fs-hero: clamp(3.4rem, 1.4rem + 8.2vw, 9.25rem);
  --fs-h1: clamp(2.5rem, 1.5rem + 4vw, 5.25rem);
  --fs-h2: clamp(2rem, 1.35rem + 2.6vw, 3.75rem);
  --fs-h2-sm: clamp(1.7rem, 1.3rem + 1.6vw, 2.6rem);
  --fs-h3: clamp(1.35rem, 1.15rem + .8vw, 1.9rem);
  --fs-lead: clamp(1.15rem, 1.03rem + .45vw, 1.42rem);
  --fs-body: 1.0625rem;
  --fs-small: .9rem;
  --fs-xs: .78rem;
  --tracking-caps: .24em;

  --container: 1320px;
  --gutter: clamp(1rem, 4.2vw, 3rem);
  --section: clamp(2.5rem, 1.5rem + 3vw, 4rem);
  --radius: 2px;
  --ease: cubic-bezier(.22, .61, .36, 1);
  --ease-out: cubic-bezier(.16, 1, .3, 1);
  --shadow-book: 0 1px 1px rgba(0,0,0,.25), 0 6px 12px -2px rgba(0,0,0,.28), 0 26px 50px -14px rgba(0,0,0,.55), 0 50px 90px -30px rgba(0,0,0,.45);
  --header-h: 84px;

  /* Topographic contour lines and fine grain, generated inline. */
  --contours: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='600' height='600' viewBox='0 0 600 600'%3E%3Cg fill='none' stroke='%23c9a45c' stroke-width='.8'%3E%3Cpath d='M-20 420c80-40 120-120 210-130s140 70 230 40 120-110 200-110'/%3E%3Cpath d='M-20 450c90-40 130-110 215-118s150 72 235 44 120-100 190-100'/%3E%3Cpath d='M-20 480c100-38 140-100 220-106s160 74 240 48 120-90 180-90'/%3E%3Cpath d='M-20 515c105-34 150-88 228-92s168 76 245 52 120-80 170-80'/%3E%3Cpath d='M-20 552c110-30 160-76 235-78s175 78 250 56 120-70 160-70'/%3E%3Cpath d='M-20 120c60 30 120 10 170-30s120-60 180-20 110 90 190 70 90-40 100-40'/%3E%3Cpath d='M-20 150c70 30 125 12 178-24s124-50 182-12 110 82 186 64 90-36 94-36'/%3E%3Cpath d='M-20 182c80 30 130 14 186-18s128-40 184-4 110 74 182 58 90-32 88-32'/%3E%3Cpath d='M210 300c20-40 70-60 110-40s50 70 20 100-90 30-120 0-20-40-10-60z'/%3E%3Cpath d='M235 302c14-26 50-40 78-26s34 48 14 68-62 20-84 0-14-26-8-42z'/%3E%3C/g%3E%3C/svg%3E");
  --grain: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .55 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  --motif-book-dark: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='170' viewBox='0 0 240 170'%3E%3Cg fill='none' stroke='%23c9a45c' stroke-opacity='.16' stroke-width='1.1' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M120 32C96 20 52 15 12 23V139C52 131 96 135 120 147Z'/%3E%3Cpath d='M120 32C144 20 188 15 228 23V139C188 131 144 135 120 147Z'/%3E%3Cpath d='M12 139L7 146C50 138 95 142 120 154C145 142 190 138 233 146L228 139'/%3E%3Cpath d='M7 146L4 152C48 144 94 148 120 160C146 148 192 144 236 152L233 146'/%3E%3Cpath d='M120 32V147'/%3E%3Cpath d='M26 44C54 38 86 39 106 46M26 56C54 50 86 51 106 58M26 68C54 62 86 63 106 70M26 80C54 74 86 75 106 82M26 92C54 86 86 87 106 94M26 104C54 98 86 99 106 106M26 116C44 112 62 112 78 114'/%3E%3Cpath d='M134 46C154 39 186 38 214 44M134 58C154 51 186 50 214 56M134 70C154 63 186 62 214 68M134 82C154 75 186 74 214 80M134 94C154 87 186 86 214 92M134 106C154 99 186 98 214 104M162 114C178 112 196 112 214 116'/%3E%3Cpath d='M176 23V4L183 10L190 4V21'/%3E%3C/g%3E%3C/svg%3E");
  --motif-book-light: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='170' viewBox='0 0 240 170'%3E%3Cg fill='none' stroke='%238c6a3c' stroke-opacity='.2' stroke-width='1.1' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M120 32C96 20 52 15 12 23V139C52 131 96 135 120 147Z'/%3E%3Cpath d='M120 32C144 20 188 15 228 23V139C188 131 144 135 120 147Z'/%3E%3Cpath d='M12 139L7 146C50 138 95 142 120 154C145 142 190 138 233 146L228 139'/%3E%3Cpath d='M7 146L4 152C48 144 94 148 120 160C146 148 192 144 236 152L233 146'/%3E%3Cpath d='M120 32V147'/%3E%3Cpath d='M26 44C54 38 86 39 106 46M26 56C54 50 86 51 106 58M26 68C54 62 86 63 106 70M26 80C54 74 86 75 106 82M26 92C54 86 86 87 106 94M26 104C54 98 86 99 106 106M26 116C44 112 62 112 78 114'/%3E%3Cpath d='M134 46C154 39 186 38 214 44M134 58C154 51 186 50 214 56M134 70C154 63 186 62 214 68M134 82C154 75 186 74 214 80M134 94C154 87 186 86 214 92M134 106C154 99 186 98 214 104M162 114C178 112 196 112 214 116'/%3E%3Cpath d='M176 23V4L183 10L190 4V21'/%3E%3C/g%3E%3C/svg%3E");
  --motif-stack-dark: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='200' viewBox='0 0 220 200'%3E%3Cg fill='none' stroke='%23c9a45c' stroke-opacity='.16' stroke-width='1.1' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='12' y='160' width='196' height='30' rx='3'/%3E%3Cpath d='M34 160V190M186 160V190M70 175H150'/%3E%3Cpath d='M200 163H206M200 168H206M200 173H206M200 178H206M200 183H206'/%3E%3Crect x='26' y='130' width='168' height='30' rx='3'/%3E%3Cpath d='M46 130V160M174 130V160M84 145H136'/%3E%3Cpath d='M150 160V176L156 171L162 176V160'/%3E%3Cg transform='rotate(-4 108 115)'%3E%3Crect x='18' y='100' width='180' height='30' rx='3'/%3E%3Cpath d='M40 100V130M176 100V130M80 115H140'/%3E%3C/g%3E%3Cg transform='rotate(-62 150 60)'%3E%3Crect x='94' y='46' width='112' height='26' rx='3'/%3E%3Cpath d='M112 46V72M188 46V72M132 59H170'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  --motif-stack-light: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='200' viewBox='0 0 220 200'%3E%3Cg fill='none' stroke='%238c6a3c' stroke-opacity='.2' stroke-width='1.1' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='12' y='160' width='196' height='30' rx='3'/%3E%3Cpath d='M34 160V190M186 160V190M70 175H150'/%3E%3Cpath d='M200 163H206M200 168H206M200 173H206M200 178H206M200 183H206'/%3E%3Crect x='26' y='130' width='168' height='30' rx='3'/%3E%3Cpath d='M46 130V160M174 130V160M84 145H136'/%3E%3Cpath d='M150 160V176L156 171L162 176V160'/%3E%3Cg transform='rotate(-4 108 115)'%3E%3Crect x='18' y='100' width='180' height='30' rx='3'/%3E%3Cpath d='M40 100V130M176 100V130M80 115H140'/%3E%3C/g%3E%3Cg transform='rotate(-62 150 60)'%3E%3Crect x='94' y='46' width='112' height='26' rx='3'/%3E%3Cpath d='M112 46V72M188 46V72M132 59H170'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  --motif-quill-dark: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='130' height='230' viewBox='0 0 130 230'%3E%3Cg fill='none' stroke='%23c9a45c' stroke-opacity='.16' stroke-width='1.1' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M22 220C40 160 70 88 112 10'/%3E%3Cpath d='M112 10C84 26 56 62 44 104C38 126 34 148 31 170'/%3E%3Cpath d='M112 10C118 46 104 92 76 128C62 146 48 160 36 172'/%3E%3Cpath d='M101 30L84 34M92 46L72 54M84 62L62 74M76 80L54 94M68 98L48 114M60 116L42 134M52 134L38 152'/%3E%3Cpath d='M104 40L112 52M96 58L106 72M88 76L98 92M80 94L88 110M70 112L76 128M60 130L62 144'/%3E%3Cpath d='M22 220L17 228M22 220L26 212'/%3E%3Cpath d='M8 228H52'/%3E%3C/g%3E%3C/svg%3E");
  --motif-quill-light: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='130' height='230' viewBox='0 0 130 230'%3E%3Cg fill='none' stroke='%238c6a3c' stroke-opacity='.2' stroke-width='1.1' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M22 220C40 160 70 88 112 10'/%3E%3Cpath d='M112 10C84 26 56 62 44 104C38 126 34 148 31 170'/%3E%3Cpath d='M112 10C118 46 104 92 76 128C62 146 48 160 36 172'/%3E%3Cpath d='M101 30L84 34M92 46L72 54M84 62L62 74M76 80L54 94M68 98L48 114M60 116L42 134M52 134L38 152'/%3E%3Cpath d='M104 40L112 52M96 58L106 72M88 76L98 92M80 94L88 110M70 112L76 128M60 130L62 144'/%3E%3Cpath d='M22 220L17 228M22 220L26 212'/%3E%3Cpath d='M8 228H52'/%3E%3C/g%3E%3C/svg%3E");
}

/* Persian typography: own families, no letter-spacing (it breaks joined script). */
html[lang="fa"] {
  --f-display: var(--f-fa-display);
  --f-sans: var(--f-fa-sans);
  --tracking-caps: 0;
  --fs-body: 1.1rem;
}
/* Latin passages inside Persian pages (titles, names) keep the Latin serif.
   font-family is inherited as a computed value, so it is set directly here. */
html[lang="fa"] :is([lang="en"], [lang="de"]):not(.lang-switch a, input, .eyebrow, .btn, .filter__btn) {
  font-family: "Bodoni Moda", "Bodoni 72", Didot, Georgia, serif;
  letter-spacing: normal;
}
html:not([lang="fa"]) [lang="fa"] {
  font-family: "Markazi Text", "Vazirmatn", Tahoma, serif;
  letter-spacing: 0;
}

/* Colour themes for sections */
.theme-dark, .theme-night, .theme-teal {
  --bg: var(--c-charcoal);
  --fg: var(--c-text-inv);
  --fg-muted: var(--c-text-inv-muted);
  --accent: var(--c-gold);
  --accent-2: var(--c-turquoise-light);
  --line: rgba(201, 164, 92, .22);
  --link: var(--c-gold-soft);
  background-color: var(--bg);
  color: var(--fg);
}
.theme-night { --bg: var(--c-ink); }
.theme-teal { --bg: var(--c-teal-deep); --line: rgba(240, 224, 174, .2); --accent-2: var(--c-gold-pale); }
.theme-light, .theme-parchment {
  --bg: var(--c-paper);
  --fg: var(--c-text);
  --fg-muted: var(--c-text-muted);
  --accent: var(--c-bronze-deep);
  --accent-2: var(--c-turquoise-ink);
  --line: rgba(110, 81, 48, .2);
  --link: var(--c-turquoise-ink);
  background-color: var(--bg);
  color: var(--fg);
}
.theme-parchment { --bg: var(--c-parchment); }

/* Book motifs: faint line drawings (open book, book stack, quill) behind section content */
.section:is(.theme-light, .theme-parchment, .theme-dark, .theme-night), .identity, .quote, .newsletter {
  background-repeat: no-repeat;
  --motif-lg: clamp(160px, 22vw, 320px);
  --motif-md: clamp(140px, 17vw, 250px);
  --motif-sm: clamp(64px, 8vw, 120px);
}
.section.theme-light {
  background-image: var(--motif-book-light), var(--motif-quill-light);
  background-position: right 2% top 1.5rem, left 1.5% bottom 1.5rem;
  background-size: var(--motif-lg) auto, var(--motif-sm) auto;
}
.section.theme-light:nth-of-type(even) {
  background-image: var(--motif-stack-light), var(--motif-quill-light);
  background-position: left 2% bottom 1.25rem, right 2% top 1.5rem;
  background-size: var(--motif-md) auto, var(--motif-sm) auto;
}
.section.theme-parchment {
  background-image: var(--motif-stack-light), var(--motif-book-light);
  background-position: right 2% bottom 1.25rem, left 2% top 1.5rem;
  background-size: var(--motif-md) auto, clamp(120px, 14vw, 210px) auto;
}
.section:is(.theme-dark, .theme-night) {
  background-image: var(--motif-book-dark), var(--motif-quill-dark);
  background-position: right 2% bottom 1.5rem, left 1.5% top 1.5rem;
  background-size: var(--motif-lg) auto, var(--motif-sm) auto;
}
.identity, .quote {
  background-image: var(--motif-stack-dark), var(--motif-quill-dark);
  background-position: left 2% bottom 1.25rem, right 2% top 1.5rem;
  background-size: var(--motif-md) auto, var(--motif-sm) auto;
}
.identity { background-position: left 2% top 1.5rem, right 2% top 1.5rem; background-size: clamp(110px, 12vw, 180px) auto, var(--motif-sm) auto; }
.home-themes.section { background-image: none; }
.newsletter {
  background-image: var(--motif-book-dark);
  background-position: right 3% bottom 1.5rem;
  background-size: var(--motif-lg) auto;
}

/* 2. Base ------------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 1rem);
}
body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--f-sans);
  font-size: var(--fs-body);
  font-weight: 400;
  line-height: 1.7;
  color: var(--c-text);
  background: var(--c-ink);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}
html[lang="fa"] body { line-height: 1.95; }
img, picture, svg, video { display: block; max-width: 100%; }
img { height: auto; }
:is(.book-feature__bg, .page-hero__bg, .feature__bg, .book-hero__bg, .article-card__media) picture { height: 100%; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: .2em; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
h1, h2, h3, h4, p, ul, ol, dl, dd, figure, blockquote { margin: 0; }
:where(ul[class], ol[class], nav ul, nav ol) { list-style: none; padding: 0; margin: 0; }
main { display: block; }
main:focus { outline: none; }
::selection { background: var(--c-gold); color: var(--c-ink); }
.svg-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

:focus-visible {
  outline: 2px solid var(--c-turquoise);
  outline-offset: 3px;
  border-radius: 1px;
}
.theme-dark :focus-visible, .theme-night :focus-visible, .theme-teal :focus-visible, .site-header :focus-visible, .mobile-menu :focus-visible {
  outline-color: var(--c-turquoise-light);
}

.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}
.skip-link {
  position: fixed;
  inset-block-start: .75rem;
  inset-inline-start: .75rem;
  z-index: 1000;
  padding: .75rem 1.25rem;
  background: var(--c-gold);
  color: var(--c-ink);
  font-weight: 500;
  transform: translateY(-200%);
  transition: transform .2s var(--ease);
}
.skip-link:focus { transform: none; }
.hp-field { position: absolute !important; inset-inline-start: -9999px; width: 1px; height: 1px; overflow: hidden; }

.icon { width: 1.1em; height: 1.1em; flex: none; display: inline-block; vertical-align: -.15em; }
.muted { color: var(--fg-muted); }

/* 3. Typography ------------------------------------------------------------ */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .9rem;
  font-family: var(--f-sans);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--accent, var(--c-gold));
  margin-block-end: 1.4rem;
}
html[lang="fa"] .eyebrow { font-size: .9rem; font-weight: 600; }
.eyebrow a { text-decoration: none; }

.section-title, .page-hero__title, .hero__name, .book-hero__title, .feature__title,
.about-hero__title, .article-hero__title, .not-found__title, .idea__title, .bio-section__title,
.book-feature__title, .catalogue-item__title, .quote__text, .newsletter__title, .identity__statement {
  font-family: var(--f-display);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -.01em;
  font-optical-sizing: auto;
  text-wrap: balance;
}
html[lang="fa"] :is(.section-title, .page-hero__title, .book-hero__title, .feature__title, .about-hero__title, .article-hero__title, .not-found__title, .idea__title, .bio-section__title, .quote__text, .newsletter__title, .identity__statement) {
  line-height: 1.45;
  letter-spacing: 0;
  font-weight: 500;
}
.section-title { font-size: var(--fs-h2); }
.section-title--sm { font-size: var(--fs-h2-sm); margin-block-end: 1.25rem; }
.lead { font-size: var(--fs-lead); line-height: 1.6; color: var(--fg); }
.prose > * + * { margin-block-start: 1.25em; }
.prose p { max-width: 68ch; }
.prose__h { font-family: var(--f-display); font-weight: 400; font-size: var(--fs-h3); margin-block-start: 2.2em !important; }
.prose a { color: var(--link); }
.prose em { font-style: italic; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  font-size: var(--fs-small);
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--link, var(--c-turquoise-ink));
  background: linear-gradient(currentColor, currentColor) no-repeat 0 100% / 0 1px;
  padding-block-end: .25rem;
  transition: background-size .45s var(--ease), color .3s;
}
html[lang="fa"] .link-arrow { letter-spacing: 0; text-transform: none; font-size: 1rem; }
[dir="rtl"] .link-arrow { background-position: 100% 100%; }
.link-arrow:hover { background-size: 100% 1px; }
.link-arrow .icon { transition: transform .35s var(--ease); }
.link-arrow:hover .icon--dir { transform: translateX(4px); }
[dir="rtl"] .link-arrow:hover .icon--dir { transform: scaleX(-1) translateX(4px); }

.link-underline {
  display: inline-flex; gap: .5rem; align-items: center;
  text-decoration: none;
  background: linear-gradient(currentColor, currentColor) no-repeat 0 100% / 100% 1px;
  transition: background-size .4s var(--ease);
}
.link-underline:hover { background-size: 0 1px; background-position: 100% 100%; }

/* Directional icons mirror in RTL. */
[dir="rtl"] .icon--dir { transform: scaleX(-1); }

/* 4. Layout ---------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: calc(var(--container) + 2 * var(--gutter));
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.section { padding-block: var(--section); position: relative; }
.section--tight { padding-block: calc(var(--section) * .6); }
.section-head { max-width: none; margin-block-end: clamp(1.5rem, 3vw, 2.25rem); }
.section-head--split {
  max-width: none;
  display: grid;
  gap: 1.5rem 4rem;
  align-items: end;
}
@media (min-width: 900px) { .section-head--split { grid-template-columns: 1.2fr 1fr; } }
.section-intro { margin-block-start: 1.25rem; color: var(--fg-muted); font-size: var(--fs-lead); line-height: 1.6; max-width: 64rem; }
.section-head--split .section-intro { margin: 0; font-size: 1.05rem; }
.section-cta { margin-block-start: 2rem; }

/* 5. Components ------------------------------------------------------------ */
/* Buttons */
.btn {
  --btn-bg: transparent;
  --btn-fg: currentColor;
  --btn-bd: currentColor;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .7rem;
  min-height: 3.25rem;
  padding: .85rem 1.65rem;
  border: 1px solid var(--btn-bd);
  border-radius: var(--radius);
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-family: var(--f-sans);
  font-size: .78rem;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  text-decoration: none;
  line-height: 1.2;
  overflow: hidden;
  isolation: isolate;
  transition: color .4s var(--ease), border-color .4s var(--ease), transform .25s var(--ease), box-shadow .4s var(--ease);
}
html[lang="fa"] .btn { letter-spacing: 0; font-size: .98rem; text-transform: none; }
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--btn-hover, var(--c-ivory));
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform .55s var(--ease-out);
}
[dir="rtl"] .btn::before { transform-origin: left center; }
.btn:hover::before, .btn:focus-visible::before { transform: scaleX(1); transform-origin: left center; }
[dir="rtl"] .btn:hover::before, [dir="rtl"] .btn:focus-visible::before { transform-origin: right center; }
.btn:active { transform: translateY(1px); }
.btn .icon { transition: transform .4s var(--ease); }
.btn:hover .icon--dir { transform: translateX(4px); }
[dir="rtl"] .btn:hover .icon--dir { transform: scaleX(-1) translateX(4px); }

.btn--gold { --btn-bg: var(--c-gold); --btn-fg: var(--c-ink); --btn-bd: var(--c-gold); --btn-hover: var(--c-gold-pale); }
.btn--ghost { --btn-fg: var(--c-text-inv); --btn-bd: rgba(239, 232, 218, .45); --btn-hover: var(--c-turquoise); }
.btn--ghost:hover { --btn-bd: var(--c-turquoise); color: #fff; }
.btn--dark { --btn-bg: var(--c-charcoal); --btn-fg: var(--c-ivory); --btn-bd: var(--c-charcoal); --btn-hover: var(--c-teal); }
.btn--dark:hover { border-color: var(--c-teal); }
.btn--line { --btn-fg: var(--c-text); --btn-bd: rgba(29, 26, 21, .4); --btn-hover: var(--c-charcoal); }
.btn--line:hover { color: var(--c-ivory); border-color: var(--c-charcoal); }
.theme-dark .btn--line, .theme-night .btn--line { --btn-fg: var(--c-text-inv); --btn-bd: rgba(239,232,218,.4); --btn-hover: var(--c-ivory); }
.theme-dark .btn--line:hover { color: var(--c-ink); }
.btn--sm { min-height: 2.6rem; padding: .55rem 1.1rem; font-size: .72rem; }
.btn__meta { opacity: .65; font-size: .9em; letter-spacing: .04em; text-transform: none; }

/* Arch — a Persian iwan-inspired frame */
.arch {
  position: relative;
  border-radius: 999px 999px 0 0;
  overflow: hidden;
  aspect-ratio: 3 / 4.3;
  background: var(--c-charcoal-2);
}
.arch img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 18%; }
.arch::after {
  content: "";
  position: absolute; inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 -120px 120px -60px rgba(15, 14, 12, .55);
  pointer-events: none;
}

/* Frame with offset gold rule */
.frame { position: relative; }
.frame::before {
  content: "";
  position: absolute;
  inset: 1.25rem -1.25rem -1.25rem 1.25rem;
  border: 1px solid var(--c-gold);
  opacity: .7;
  z-index: 0;
}
[dir="rtl"] .frame::before { inset: 1.25rem 1.25rem -1.25rem -1.25rem; }
.frame picture { position: relative; z-index: 1; }
.frame img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; object-position: 50% 15%; }

/* Book cover with restrained 3D */
.cover { perspective: 1400px; }
.cover__inner {
  position: relative;
  transform: rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)) translateY(var(--ty, 0));
  transition: transform .7s var(--ease-out), box-shadow .7s var(--ease-out);
  box-shadow: var(--shadow-book);
  border-radius: 1px 3px 3px 1px;
  background: var(--c-charcoal);
}
.cover__inner::before { /* spine highlight */
  content: "";
  position: absolute;
  inset-block: 0;
  inset-inline-start: 0;
  width: 9px;
  z-index: 2;
  background: linear-gradient(90deg, rgba(255,255,255,.18), rgba(0,0,0,.25) 45%, rgba(255,255,255,.06) 70%, transparent);
  pointer-events: none;
}
.cover img { width: 100%; height: auto; border-radius: inherit; }
.cover__glare {
  position: absolute; inset: 0;
  border-radius: inherit;
  background: radial-gradient(circle at var(--gx, 30%) var(--gy, 20%), rgba(255, 245, 220, .16), transparent 55%);
  opacity: 0;
  transition: opacity .5s var(--ease);
  pointer-events: none;
}
.cover--tilt:hover .cover__inner { --ty: -6px; box-shadow: 0 2px 2px rgba(0,0,0,.25), 0 14px 24px -6px rgba(0,0,0,.35), 0 40px 70px -18px rgba(0,0,0,.6), 0 70px 120px -40px rgba(0,0,0,.5); }
.cover--tilt:hover .cover__glare { opacity: 1; }

/* Badges & notes */
.badge {
  display: inline-block;
  padding: .3rem .65rem;
  font-size: .68rem;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.badge--placeholder { background: var(--c-gold-pale); color: var(--c-ink); }
.placeholder-note, .perspective-note, .placeholder-banner {
  display: flex;
  gap: .7rem;
  align-items: flex-start;
  margin-block-start: 2.5rem;
  font-size: var(--fs-small);
  color: var(--fg-muted);
  max-width: 62rem;
}
.placeholder-note .icon, .perspective-note .icon, .placeholder-banner .icon { margin-block-start: .3em; color: var(--accent-2); }
.placeholder-banner {
  margin: 0 0 2.5rem;
  padding: 1rem 1.25rem;
  border: 1px dashed var(--c-bronze);
  background: rgba(240, 224, 174, .25);
  color: var(--c-text);
}
.perspective-note { font-style: italic; border-block-start: 1px solid var(--line); padding-block-start: 1.25rem; }

/* Breadcrumbs */
.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: .4rem; font-size: var(--fs-xs); letter-spacing: .1em; text-transform: uppercase; color: var(--fg-muted); margin-block-end: 2rem; }
html[lang="fa"] .breadcrumbs ol { letter-spacing: 0; font-size: .85rem; }
.breadcrumbs li + li::before { content: "/"; margin-inline-end: .4rem; opacity: .5; }
.breadcrumbs a { text-decoration: none; }
.breadcrumbs a:hover { color: var(--accent); }

/* Persian ornament text */
.persian-ornament {
  font-family: "Markazi Text", serif;
  font-size: clamp(3rem, 2rem + 4vw, 6rem);
  line-height: 1;
  color: var(--c-bronze);
  opacity: .25;
  margin-block: 1rem;
}

/* Edition tags */
.edition-tags { display: flex; flex-wrap: wrap; gap: .5rem; margin-block-end: 1.25rem; }
.edition-tags a {
  display: inline-block;
  padding: .3rem .8rem;
  border: 1px solid var(--line);
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--fg-muted);
  transition: all .3s var(--ease);
}
html[lang="fa"] .edition-tags a { letter-spacing: 0; font-size: .85rem; }
.edition-tags a:hover { border-color: var(--accent-2); color: var(--accent-2); }
.edition-tags a[aria-current] { border-color: var(--accent-2); color: var(--accent-2); background: rgba(26, 166, 163, .07); }

/* Retailers */
.retailers { display: flex; flex-wrap: wrap; gap: .6rem; }
.retailer {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  min-height: 2.75rem;
  padding: .55rem 1rem;
  border: 1px solid var(--line);
  font-size: .9rem;
  text-decoration: none;
  transition: border-color .3s, background .3s, color .3s;
}
a.retailer:hover { border-color: var(--c-turquoise); background: var(--c-turquoise); color: #fff; }
.retailer--primary { border-color: var(--c-charcoal); background: var(--c-charcoal); color: var(--c-ivory); }
.retailer.is-placeholder { border-style: dashed; color: var(--fg-muted); cursor: default; flex-direction: column; align-items: flex-start; gap: 0; line-height: 1.3; }
.retailer__note { font-size: .7rem; letter-spacing: .08em; text-transform: uppercase; opacity: .8; }
html[lang="fa"] .retailer__note { letter-spacing: 0; font-size: .78rem; }
.retailers--compact .retailer { min-height: 2.4rem; padding: .4rem .8rem; font-size: .82rem; }
.retailers__fallback { margin-block-start: 1rem; display: flex; flex-wrap: wrap; gap: .5rem 1rem; align-items: center; font-size: var(--fs-small); color: var(--fg-muted); }

/* Share */
.share { margin-block-start: 3rem; }
.share__label { font-size: var(--fs-xs); letter-spacing: var(--tracking-caps); text-transform: uppercase; color: var(--fg-muted); margin-block-end: .9rem; }
.share__list { display: flex; flex-wrap: wrap; gap: .5rem; }
.share__btn {
  display: grid; place-items: center;
  width: 2.75rem; height: 2.75rem;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  color: var(--fg);
  transition: all .3s var(--ease);
}
.share__btn:hover { background: var(--c-turquoise); border-color: var(--c-turquoise); color: #fff; transform: translateY(-2px); }
.share__status { min-height: 1.5em; font-size: var(--fs-small); color: var(--accent-2); margin-block-start: .5rem; }

/* Filters */
.filter { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.5rem; margin-block-end: clamp(1.75rem, 3.5vw, 2.5rem); padding-block-end: 1.5rem; border-block-end: 1px solid var(--line); }
.filter__label { font-size: var(--fs-xs); letter-spacing: var(--tracking-caps); text-transform: uppercase; color: var(--fg-muted); }
.filter ul { display: flex; flex-wrap: wrap; gap: .4rem; }
.filter__btn {
  display: inline-block;
  padding: .5rem 1.1rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: .95rem;
  text-decoration: none;
  color: var(--fg-muted);
  transition: all .3s var(--ease);
}
.filter__btn:hover { color: var(--fg); border-color: var(--line); }
.filter__btn[aria-current] { color: var(--c-ivory); background: var(--c-teal); border-color: var(--c-teal); }
.filter__count { margin-inline-start: auto; font-size: var(--fs-small); color: var(--fg-muted); }

/* Empty states */
.empty-state {
  position: relative;
  max-width: 40rem;
  margin-inline: auto;
  padding: clamp(2rem, 4vw, 3rem) var(--gutter);
  text-align: center;
  border: 1px solid var(--line);
  overflow: hidden;
}
.empty-state > * + * { margin-block-start: 1.1rem; }
.empty-state p { color: var(--fg-muted); }
.empty-state__glyph { display: block; font-size: clamp(3rem, 8vw, 5.5rem); line-height: 1.2; color: var(--c-bronze); opacity: .25; }
.empty-state__title { font-family: var(--f-display); font-weight: 400; font-size: var(--fs-h3); }
.empty-state__icon { width: 2.5rem; height: 2.5rem; margin-inline: auto; color: var(--c-bronze); }
.empty-state--wide { max-width: 52rem; margin-block-end: 2.5rem; }
.empty-state .cta-band__actions { justify-content: center; }

/* Grid lines — abstract chessboard geometry */
.grid-lines {
  position: absolute; inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(201,164,92,.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(201,164,92,.06) 1px, transparent 1px);
  background-size: calc(100% / 8) calc(100% / 8);
  mask-image: radial-gradient(ellipse at 70% 30%, #000 10%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 70% 30%, #000 10%, transparent 70%);
}

/* 6. Header & navigation -------------------------------------------------- */
.site-header {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: 100;
  color: var(--c-text-inv);
  transition: background-color .5s var(--ease), color .5s var(--ease), box-shadow .5s var(--ease), transform .5s var(--ease);
}
.site-header::before { /* soft scrim keeps nav legible over imagery */
  content: "";
  position: absolute; inset: 0 0 -40px;
  background: linear-gradient(to bottom, rgba(15,14,12,.55), transparent);
  pointer-events: none;
  transition: opacity .5s;
}
.site-header__inner {
  position: relative;
  display: flex;
  align-items: center;
  gap: 2rem;
  height: var(--header-h);
  transition: height .5s var(--ease);
}
.site-header.is-scrolled {
  background: rgba(17, 15, 12, .92);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  backdrop-filter: blur(14px) saturate(1.2);
  box-shadow: 0 1px 0 rgba(201, 164, 92, .18);
}
.site-header.is-scrolled::before { opacity: 0; }
.site-header.is-scrolled .site-header__inner { height: 68px; }
.site-header.is-hidden { transform: translateY(-100%); }

.brand { display: inline-flex; align-items: center; gap: .85rem; text-decoration: none; flex: none; }
.brand__mark { width: 34px; height: 34px; color: var(--c-gold); transition: transform .8s var(--ease-out); }
.brand:hover .brand__mark { transform: rotate(90deg); }
.brand__name {
  font-family: "Bodoni Moda", Didot, Georgia, serif;
  font-size: 1.25rem;
  letter-spacing: .04em;
  white-space: nowrap;
}
.primary-nav { margin-inline-start: auto; display: none; }
.primary-nav ul { display: flex; gap: clamp(1rem, 1.6vw, 1.9rem); }
.nav-link {
  position: relative;
  display: inline-block;
  padding-block: .4rem;
  font-size: .78rem;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  text-decoration: none;
  color: rgba(239, 232, 218, .82);
  transition: color .3s;
}
html[lang="fa"] .nav-link { font-size: .98rem; letter-spacing: 0; }
.nav-link::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  inset-block-end: 0;
  height: 1px;
  background: var(--c-gold);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .45s var(--ease-out);
}
[dir="rtl"] .nav-link::after { transform-origin: left; }
.nav-link:hover, .nav-link[aria-current] { color: #fff; }
.nav-link:hover::after, .nav-link[aria-current]::after { transform: scaleX(1); transform-origin: left; }
[dir="rtl"] .nav-link:hover::after, [dir="rtl"] .nav-link[aria-current]::after { transform-origin: right; }
.nav-link[aria-current]::after { background: var(--c-turquoise-light); }

.site-header__actions { display: flex; align-items: center; gap: 1.25rem; margin-inline-start: auto; }
.site-header__cta { display: none; }

.lang-switch { display: flex; align-items: center; gap: .15rem; }
.lang-switch a {
  display: inline-grid;
  place-items: center;
  min-width: 2.2rem;
  min-height: 2.2rem;
  padding-inline: .35rem;
  font-size: .76rem;
  font-weight: 500;
  letter-spacing: .1em;
  text-decoration: none;
  color: rgba(239, 232, 218, .62);
  border-radius: 999px;
  transition: color .3s, background .3s;
}
.lang-switch a[lang="fa"] { font-family: "Vazirmatn", Tahoma, sans-serif; letter-spacing: 0; font-size: .9rem; }
.lang-switch a:hover { color: #fff; }
.lang-switch a[aria-current] { color: var(--c-ink); background: var(--c-turquoise-light); }
.lang-switch--full { gap: .5rem; flex-wrap: wrap; }
.lang-switch--full a { padding-inline: 1rem; border: 1px solid rgba(239,232,218,.2); font-size: .9rem; letter-spacing: .04em; }
.lang-nav { display: none; }

.menu-toggle, .menu-close {
  display: grid; place-items: center;
  width: 2.9rem; height: 2.9rem;
  border: 1px solid rgba(239, 232, 218, .3);
  border-radius: 50%;
  background: transparent;
  color: inherit;
  transition: border-color .3s, background .3s;
}
.menu-toggle:hover, .menu-close:hover { border-color: var(--c-gold); background: rgba(201,164,92,.1); }
.menu-toggle .icon, .menu-close .icon { width: 1.3rem; height: 1.3rem; }

@media (min-width: 760px) { .lang-nav { display: block; } }
@media (min-width: 1180px) {
  .primary-nav { display: block; }
  .primary-nav + .site-header__actions { margin-inline-start: 0; }
  .menu-toggle { display: none; }
  .site-header__cta { display: inline-flex; }
}
@media (max-width: 420px) { .brand__name { font-size: 1.05rem; } .brand__mark { width: 28px; height: 28px; } }

/* Mobile menu */
.mobile-menu { position: fixed; inset: 0; z-index: 200; color: var(--c-text-inv); }
.mobile-menu[hidden] { display: none; }
.mobile-menu__backdrop { position: absolute; inset: 0; background: rgba(10, 9, 7, .6); opacity: 0; transition: opacity .5s var(--ease); }
.mobile-menu__panel {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  background: var(--c-ink) var(--contours) center / 900px;
  background-blend-mode: normal;
  overflow-y: auto;
  clip-path: inset(0 0 100% 0);
  transition: clip-path .7s var(--ease-out);
}
.mobile-menu__panel::before { content: ""; position: absolute; inset: 0; background: linear-gradient(160deg, rgba(15,14,12,.95), rgba(15,14,12,.86) 60%, rgba(12,60,64,.85)); pointer-events: none; }
.mobile-menu__panel > * { position: relative; }
.mobile-menu.is-open .mobile-menu__backdrop { opacity: 1; }
.mobile-menu.is-open .mobile-menu__panel { clip-path: inset(0 0 0 0); }
.mobile-menu__top { display: flex; align-items: center; justify-content: space-between; min-height: var(--header-h); }
.mobile-menu__top .brand__name { color: var(--c-gold); }
.mobile-menu__nav { flex: 1; padding-block: 2rem; }
.mobile-menu__nav ol { display: grid; gap: .35rem; }
.mobile-menu__nav a {
  display: flex;
  align-items: baseline;
  gap: 1.1rem;
  font-family: var(--f-display);
  font-size: clamp(2rem, 7.5vw, 3.2rem);
  line-height: 1.25;
  text-decoration: none;
  color: var(--c-text-inv);
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .6s var(--ease-out), transform .6s var(--ease-out), color .3s;
  transition-delay: calc(.08s + var(--i) * .05s);
}
.mobile-menu li { --i: 0; }
.mobile-menu.is-open .mobile-menu__nav a { opacity: 1; transform: none; }
.mobile-menu__nav a:hover, .mobile-menu__nav a[aria-current] { color: var(--c-gold-soft); }
.mobile-menu__num { font-family: var(--f-sans); font-size: .75rem; letter-spacing: .14em; color: var(--c-gold); min-width: 1.6rem; }
.mobile-menu__foot { display: grid; gap: 2rem; padding-block: 2rem 3rem; border-block-start: 1px solid rgba(201,164,92,.2); }
.mobile-menu__foot .btn { justify-self: start; }
.mobile-menu__lang .eyebrow { margin-block-end: .75rem; color: var(--c-text-inv-muted); }
body.menu-open { overflow: hidden; }

/* 7. Hero -------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-block: calc(var(--header-h) + 1.5rem) 3.5rem;
  overflow: hidden;
  background: var(--c-ink);
}
.hero__light, .hero__light::after {
  position: absolute;
  pointer-events: none;
}
.hero__light {
  inset: -20%;
  background:
    radial-gradient(40% 35% at 72% 32%, rgba(201,164,92,.22), transparent 70%),
    radial-gradient(35% 40% at 15% 85%, rgba(15,90,94,.28), transparent 70%),
    radial-gradient(60% 50% at 50% 110%, rgba(110,81,48,.3), transparent 70%);
  animation: drift 22s ease-in-out infinite alternate;
  will-change: transform;
}
.hero.is-offscreen .hero__light { animation-play-state: paused; }
.hero::after { /* grain */
  content: "";
  position: absolute; inset: 0;
  background: var(--grain);
  opacity: .07;
  pointer-events: none;
}
.hero__contours, .page-hero__contours, .site-footer__contours, .newsletter__contours, .book-hero__contours {
  position: absolute; inset: -10% 0;
  background: var(--contours) center / 760px repeat;
  opacity: .1;
  pointer-events: none;
  mask-image: linear-gradient(to bottom, transparent, #000 30%, #000 70%, transparent);
  -webkit-mask-image: linear-gradient(to bottom, transparent, #000 30%, #000 70%, transparent);
}
.hero__grid { position: relative; z-index: 1; display: grid; gap: 2.25rem; align-items: center; }
.hero__portrait { order: -1; justify-self: center; width: min(58vw, 260px); }
.hero__portrait .arch { box-shadow: 0 40px 80px -30px rgba(0,0,0,.8); }
.hero__portrait .arch::before {
  content: "";
  position: absolute; inset: 0;
  z-index: 2;
  border-radius: inherit;
  border: 1px solid rgba(201,164,92,.5);
  pointer-events: none;
}
.hero__portrait { position: relative; }
.hero__portrait::before { /* outer gold arch */
  content: "";
  position: absolute;
  inset: -14px -14px 0;
  border: 1px solid rgba(201,164,92,.35);
  border-block-end: 0;
  border-radius: 999px 999px 0 0;
  pointer-events: none;
}
.hero__aka { margin-block-start: 1rem; font-size: var(--fs-xs); letter-spacing: .18em; text-transform: uppercase; color: var(--c-text-inv-muted); text-align: center; }
html[lang="fa"] .hero__aka { letter-spacing: 0; font-size: .9rem; }
.hero__eyebrow { color: var(--c-gold); }
.hero__name {
  font-size: var(--fs-hero);
  line-height: .92;
  letter-spacing: -.025em;
  color: var(--c-ivory);
  font-weight: 400;
}
.hero__line { display: block; overflow: hidden; padding-block-end: .06em; }
.hero__line > span { display: inline-block; }
.hero__line--2 { font-style: italic; color: var(--c-gold-soft); padding-inline-start: .5em; }
.hero__fa-name { display: block; margin-block-start: .6rem; font-family: "Markazi Text", serif; font-size: clamp(1.8rem, 1.2rem + 2vw, 3rem); line-height: 1.3; color: var(--c-gold); }
.hero__claim {
  margin-block-start: 1.75rem;
  font-family: "Bodoni Moda", Didot, Georgia, serif;
  font-style: italic;
  font-size: clamp(1.3rem, 1rem + 1.1vw, 1.9rem);
  line-height: 1.35;
  color: var(--c-gold-pale);
  max-width: 28ch;
}
html[lang="fa"] .hero__claim { font-family: var(--f-display); font-style: normal; line-height: 1.7; }
.hero__lead { margin-block-start: 1.25rem; max-width: 38rem; color: var(--c-text-inv-muted); font-size: 1.08rem; }
.hero__actions { display: flex; flex-wrap: wrap; gap: .9rem; margin-block-start: 2.25rem; }
.scroll-cue {
  position: absolute;
  inset-block-end: 1.5rem;
  inset-inline-start: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: grid;
  justify-items: center;
  gap: .6rem;
  font-size: .68rem;
  letter-spacing: .3em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--c-text-inv-muted);
}
[dir="rtl"] .scroll-cue { transform: translateX(50%); }
@media (max-height: 820px), (max-width: 899px) { .scroll-cue { display: none; } }
.scroll-cue i { display: block; width: 1px; height: 48px; background: linear-gradient(var(--c-gold), transparent); position: relative; overflow: hidden; }
.scroll-cue i::after { content: ""; position: absolute; inset-inline: 0; height: 40%; background: var(--c-ivory); animation: scroll-line 2.4s var(--ease) infinite; }

@media (min-width: 900px) {
  .hero__grid { grid-template-columns: 1.35fr 1fr; gap: clamp(2rem, 5vw, 6rem); }
  .hero__portrait { order: 0; width: 100%; max-width: 440px; justify-self: end; }
}

/* Load choreography */
.js .hero__line > span { transform: translateY(105%); }
.js .hero__eyebrow, .js .hero__claim, .js .hero__lead, .js .hero__actions, .js .hero__aka { opacity: 0; transform: translateY(14px); }
.js .hero__portrait .arch { clip-path: inset(100% 0 0 0 round 999px 999px 0 0); }
.js .hero__portrait .arch img { transform: scale(1.12); }
.is-loaded .hero__line > span { transform: none; transition: transform 1.2s var(--ease-out); }
.is-loaded .hero__line--2 > span { transition-delay: .12s; }
.is-loaded :is(.hero__eyebrow, .hero__claim, .hero__lead, .hero__actions, .hero__aka) { opacity: 1; transform: none; transition: opacity 1s var(--ease), transform 1s var(--ease-out); }
.is-loaded .hero__claim { transition-delay: .45s; }
.is-loaded .hero__lead { transition-delay: .6s; }
.is-loaded .hero__actions { transition-delay: .75s; }
.is-loaded .hero__aka { transition-delay: 1.2s; }
.is-loaded .hero__portrait .arch { clip-path: inset(0 0 0 0 round 999px 999px 0 0); transition: clip-path 1.6s var(--ease-out) .15s; }
.is-loaded .hero__portrait .arch img { transform: scale(1); transition: transform 2.6s var(--ease-out) .15s; }

/* 8. Home sections ------------------------------------------------------------ */
.identity { padding-block: clamp(2.5rem, 5vw, 3.75rem); position: relative; }
.identity__statement {
  font-size: clamp(1.6rem, 1.1rem + 2.1vw, 3rem);
  line-height: 1.3;
  max-width: 30ch;
  margin-inline: auto;
  text-align: center;
  color: var(--c-ivory);
}
.stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  margin-block-start: clamp(1.5rem, 3vw, 2.25rem);
  border-block-start: 1px solid var(--line);
}
.stat { padding: 2rem 1rem 0; border-inline-start: 1px solid var(--line); }
.stat:nth-child(odd) { border-inline-start: 0; }
.stat__num { font-family: "Bodoni Moda", Didot, serif; font-size: clamp(3rem, 2rem + 4vw, 5.5rem); line-height: 1; color: var(--c-gold); }
html[lang="fa"] .stat__num { font-family: var(--f-fa-display); }
.stat__label { margin-block-start: .75rem; font-size: var(--fs-small); color: var(--c-text-inv-muted); max-width: 18ch; }
@media (min-width: 900px) {
  .stats { grid-template-columns: repeat(4, 1fr); }
  .stat:nth-child(odd) { border-inline-start: 1px solid var(--line); }
  .stat:first-child { border-inline-start: 0; }
}

/* Book features */
.book-features { display: grid; gap: clamp(3rem, 6vw, 4rem); }
@media (min-width: 960px) { .book-features { grid-template-columns: 1fr 1fr; } }
.book-feature { display: grid; gap: 2rem; align-content: start; }
.book-feature__stage {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 5 / 5.2;
  overflow: hidden;
  background: var(--c-charcoal);
  isolation: isolate;
}
.book-feature__bg { position: absolute; inset: 0; z-index: -1; display: block; }
.book-feature__bg img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.1); transition: transform 1.6s var(--ease-out); }
.book-feature__bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(15,14,12,.75), rgba(15,14,12,.25)); }
.book-feature[data-mood="globe"] .book-feature__bg::after { background: linear-gradient(to top, rgba(26,18,10,.82), rgba(40,26,14,.35)); }
.book-feature:hover .book-feature__bg img { transform: scale(1.02); }
.book-stack { position: relative; width: min(52%, 280px); }
.book-stack__back {
  position: absolute;
  inset-block-start: 0;
  inset-inline-start: 0;
  width: 100%;
  transform: translateX(26%) rotate(5deg) scale(.9);
  transform-origin: bottom center;
  opacity: .9;
  transition: transform .9s var(--ease-out);
  filter: brightness(.82);
}
[dir="rtl"] .book-stack__back { transform: translateX(-26%) rotate(-5deg) scale(.9); }
.book-stack__front { position: relative; display: block; transition: transform .9s var(--ease-out); }
.book-feature:hover .book-stack__back { transform: translateX(42%) rotate(9deg) scale(.9); }
[dir="rtl"] .book-feature:hover .book-stack__back { transform: translateX(-42%) rotate(-9deg) scale(.9); }
.book-feature:hover .book-stack__front { transform: translateX(-8%) translateY(-6px) rotate(-1.5deg); }
[dir="rtl"] .book-feature:hover .book-stack__front { transform: translateX(8%) translateY(-6px) rotate(1.5deg); }
.book-feature__title { font-size: clamp(1.8rem, 1.3rem + 1.6vw, 2.7rem); }
.book-feature__title a { text-decoration: none; background: linear-gradient(currentColor, currentColor) no-repeat 0 100% / 0 1px; transition: background-size .5s var(--ease); }
.book-feature__title a:hover { background-size: 100% 1px; }
.book-feature__fa, .catalogue-item__fa, .book-hero__fa { margin-block-start: .4rem; color: var(--fg-muted); font-size: 1.05rem; }
.book-feature__author { margin-block-start: .6rem; font-size: var(--fs-xs); letter-spacing: .2em; text-transform: uppercase; color: var(--accent); }
.book-feature__tagline { margin-block-start: 1rem; color: var(--fg-muted); max-width: 34rem; }
.book-feature__actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-block-start: 1.75rem; }

/* Author intro */
.home-author__grid { display: grid; gap: clamp(3rem, 6vw, 6rem); align-items: center; }
.home-author__media { max-width: 420px; width: 85%; }
.home-author__text > * + * { margin-block-start: 1.25rem; }
.home-author__text .section-title { margin-block-start: 0; }
@media (min-width: 900px) { .home-author__grid { grid-template-columns: 5fr 7fr; } }

/* Themes grid */
.home-themes { overflow: hidden; }
.theme-grid {
  display: grid;
  grid-template-columns: 1fr;
  border-block-start: 1px solid var(--line);
  border-inline-start: 1px solid var(--line);
}
@media (min-width: 640px) { .theme-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .theme-grid { grid-template-columns: repeat(4, 1fr); } }
.theme-tile { border-inline-end: 1px solid var(--line); border-block-end: 1px solid var(--line); }
.theme-tile a {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: .75rem;
  height: 100%;
  min-height: 15rem;
  padding: 2rem 1.75rem 4rem;
  text-decoration: none;
  overflow: hidden;
  transition: background .5s var(--ease);
}
.theme-tile a:hover { background: rgba(201, 164, 92, .06); }
.theme-tile__num { font-family: "Bodoni Moda", serif; font-style: italic; color: var(--c-gold); font-size: 1rem; }
.theme-tile__glyph {
  position: absolute;
  inset-block-start: 1rem;
  right: 1.25rem;
  font-family: "Markazi Text", serif;
  font-size: 2.6rem;
  line-height: 1;
  color: var(--c-gold);
  opacity: .14;
  transition: opacity .5s, transform .8s var(--ease-out);
}
.theme-tile a:hover .theme-tile__glyph { opacity: .45; transform: translateY(-4px); }
.theme-tile__title { font-family: var(--f-display); font-size: 1.45rem; line-height: 1.2; color: var(--c-ivory); }
html[lang="fa"] .theme-tile__title { line-height: 1.6; }
.theme-tile__kicker { font-size: .95rem; color: var(--c-text-inv-muted); line-height: 1.6; }
.theme-tile__arrow { position: absolute; inset-block-end: 1.6rem; inset-inline-start: 1.75rem; color: var(--c-turquoise-light); opacity: 0; transform: translateX(-8px); transition: all .5s var(--ease-out); }
[dir="rtl"] .theme-tile__arrow { transform: scaleX(-1) translateX(-8px); }
.theme-tile a:hover .theme-tile__arrow, .theme-tile a:focus-visible .theme-tile__arrow { opacity: 1; transform: none; }
[dir="rtl"] .theme-tile a:hover .theme-tile__arrow { transform: scaleX(-1); }

/* Featured book */
.feature { position: relative; overflow: hidden; padding-block: var(--section); isolation: isolate; }
.feature__bg { position: absolute; inset: -12% 0; z-index: -2; }
.feature__bg img { width: 100%; height: 100%; object-fit: cover; }
.feature::before {
  content: "";
  position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(100deg, rgba(15,14,12,.92) 0%, rgba(15,14,12,.72) 45%, rgba(12,60,64,.55) 100%);
}
[dir="rtl"] .feature::before { background: linear-gradient(-100deg, rgba(15,14,12,.92) 0%, rgba(15,14,12,.72) 45%, rgba(12,60,64,.55) 100%); }
.feature__grid { display: grid; gap: 3.5rem; align-items: center; }
.feature__cover { width: min(70%, 400px); justify-self: center; }
.feature__title { font-size: var(--fs-h1); color: var(--c-ivory); }
.feature__subtitle { margin-block-start: 1rem; font-size: var(--fs-xs); letter-spacing: .22em; text-transform: uppercase; color: var(--c-gold-soft); }
.feature__teaser { margin-block-start: 1.75rem; font-size: var(--fs-lead); line-height: 1.6; max-width: 38rem; }
.feature__label { margin-block-start: 2.25rem; font-family: var(--f-sans); font-size: var(--fs-xs); font-weight: 500; letter-spacing: var(--tracking-caps); text-transform: uppercase; color: var(--c-turquoise-light); }
.feature__themes { display: flex; flex-wrap: wrap; gap: .5rem; margin-block-start: 1rem; }
.feature__themes li { padding: .35rem .85rem; border: 1px solid rgba(239,232,218,.22); font-size: .88rem; color: var(--c-text-inv); background: rgba(15,14,12,.3); }
.feature__actions { display: flex; flex-wrap: wrap; gap: .9rem; margin-block-start: 2rem; }
@media (min-width: 900px) { .feature__grid { grid-template-columns: 5fr 7fr; } .feature__cover { width: 100%; max-width: 420px; } }

/* Quote */
.quote, .philosophy { position: relative; overflow: hidden; padding-block: clamp(3rem, 6vw, 4.5rem); text-align: center; }
.quote__glyph {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -54%);
  font-family: "Markazi Text", serif;
  font-size: clamp(14rem, 40vw, 34rem);
  line-height: 1;
  color: var(--c-gold);
  opacity: .055;
  pointer-events: none;
  white-space: nowrap;
}
.quote__figure { position: relative; max-width: 58rem; margin-inline: auto; }
.quote__mark { width: 3rem; height: 3rem; margin: 0 auto 2rem; color: var(--c-gold); opacity: .8; }
[dir="rtl"] .quote__mark { transform: scaleX(-1); }
.quote__text { font-size: clamp(1.8rem, 1.2rem + 2.6vw, 3.6rem); font-style: italic; line-height: 1.25; color: var(--c-ivory); }
html[lang="fa"] .quote__text { font-style: normal; }
.quote__text--md { font-size: clamp(1.5rem, 1.1rem + 1.8vw, 2.6rem); }
.quote__source { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: .3rem 1rem; margin-block-start: 1.75rem; font-size: var(--fs-small); letter-spacing: .08em; color: var(--c-text-inv-muted); }
.quote__source cite { font-style: italic; color: var(--c-gold-soft); }
.quote__rule { width: 3rem; height: 1px; background: var(--c-gold); }
.quote__note { flex-basis: 100%; font-size: .78rem; opacity: .75; }

/* Article cards */
.article-grid { display: grid; gap: clamp(2rem, 4vw, 3rem); }
@media (min-width: 760px) { .article-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 960px) { .article-grid { grid-template-columns: repeat(3, 1fr); } .article-grid--two { grid-template-columns: repeat(2, 1fr); } }
.article-card { display: flex; flex-direction: column; gap: 1.25rem; }
.article-card__media { position: relative; display: block; overflow: hidden; aspect-ratio: 16 / 10; background: var(--c-charcoal); }
.article-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease-out), filter .8s; filter: saturate(.85); }
.article-card:hover .article-card__media img { transform: scale(1.05); filter: saturate(1); }
.article-card__media .badge { position: absolute; inset-block-start: 1rem; inset-inline-start: 1rem; }
.article-card__meta { display: flex; flex-wrap: wrap; gap: .5rem; font-size: var(--fs-xs); letter-spacing: .12em; text-transform: uppercase; color: var(--fg-muted); }
html[lang="fa"] .article-card__meta { letter-spacing: 0; font-size: .85rem; }
.article-card__cat { color: var(--accent-2); font-weight: 500; }
.article-card__title { font-family: var(--f-display); font-weight: 400; font-size: 1.6rem; line-height: 1.2; }
html[lang="fa"] .article-card__title { line-height: 1.6; }
.article-card__title a { text-decoration: none; background: linear-gradient(currentColor, currentColor) no-repeat 0 100% / 0 1px; transition: background-size .5s var(--ease); }
.article-card__title a:hover { background-size: 100% 1px; }
.article-card__dek { color: var(--fg-muted); font-size: .98rem; }
.article-card__time { font-size: var(--fs-xs); color: var(--fg-muted); letter-spacing: .06em; margin-block-start: auto; }
@media (min-width: 1100px) {
  .article-card--large { grid-column: 1 / -1; display: grid; grid-template-columns: 1.4fr 1fr; gap: 3rem; align-items: center; }
  .article-card--large .article-card__title { font-size: var(--fs-h2-sm); }
}

/* Edition rows (buy band / where to buy) */
.edition-list { display: grid; border-block-start: 1px solid var(--line); }
.edition-row {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 1rem 1.5rem;
  align-items: center;
  padding-block: 1.5rem;
  border-block-end: 1px solid var(--line);
}
.edition-row__cover img { box-shadow: 0 10px 20px -8px rgba(0,0,0,.45); transition: transform .5s var(--ease-out); }
.edition-row__cover:hover img { transform: translateY(-4px) rotate(-1deg); }
.edition-row__lang { font-size: var(--fs-xs); letter-spacing: .16em; text-transform: uppercase; color: var(--accent-2); }
html[lang="fa"] .edition-row__lang { letter-spacing: 0; font-size: .85rem; }
.edition-row__title { font-family: var(--f-display); font-weight: 400; font-size: 1.35rem; line-height: 1.25; }
.edition-row__title a { text-decoration: none; }
.edition-row__title a:hover { color: var(--accent-2); }
.edition-row__author { font-size: var(--fs-small); color: var(--fg-muted); }
.edition-row__buy { grid-column: 1 / -1; }
@media (min-width: 900px) {
  .edition-row { grid-template-columns: 84px minmax(14rem, 1fr) auto; }
  .edition-row__buy { grid-column: auto; }
}

/* Newsletter */
.newsletter { position: relative; overflow: hidden; padding-block: clamp(2.5rem, 5vw, 3.75rem); }
.newsletter__contours { opacity: .14; }
.newsletter__grid { position: relative; display: grid; gap: 3rem; align-items: center; }
@media (min-width: 960px) { .newsletter__grid { grid-template-columns: 1fr 1fr; gap: 6rem; } }
.newsletter .eyebrow { color: var(--c-gold-pale); }
.newsletter__title { font-size: var(--fs-h2-sm); color: var(--c-ivory); max-width: 22ch; }
.newsletter__intro { margin-block-start: 1.5rem; color: rgba(239,232,218,.75); max-width: 34rem; }
.newsletter__form { display: grid; gap: 1.25rem; }
.newsletter label { color: var(--c-text-inv); }
.newsletter .form-note { color: rgba(239,232,218,.65); }
.newsletter .check a { color: var(--c-gold-pale); }

/* Footer */
.site-footer { position: relative; overflow: hidden; padding-block: clamp(2.5rem, 4vw, 3.5rem) 1.5rem; background: var(--c-ink); }
.site-footer__contours { opacity: .06; }
.site-footer .container { position: relative; }
.site-footer__top { display: grid; gap: 2.5rem; padding-block-end: 2.5rem; border-block-end: 1px solid var(--line); }
@media (min-width: 960px) { .site-footer__top { grid-template-columns: 1.1fr 1.5fr; } }
.site-footer__name { font-family: "Bodoni Moda", Didot, serif; font-size: clamp(2rem, 1.5rem + 2vw, 3rem); text-decoration: none; color: var(--c-ivory); line-height: 1.1; }
.site-footer__aka { margin-block-start: .5rem; font-size: var(--fs-xs); letter-spacing: .18em; text-transform: uppercase; color: var(--c-gold); }
html[lang="fa"] .site-footer__aka { letter-spacing: 0; font-size: .88rem; }
.site-footer__statement { margin-block: 1.25rem 1.75rem; color: var(--c-text-inv-muted); max-width: 26rem; }
.site-footer__nav { display: grid; grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr)); gap: 2.5rem; }
.site-footer__heading { font-family: var(--f-sans); font-size: var(--fs-xs); font-weight: 500; letter-spacing: var(--tracking-caps); text-transform: uppercase; color: var(--c-gold); margin-block-end: 1.25rem; }
.site-footer__nav ul { display: grid; gap: .65rem; list-style: none; padding: 0; }
.site-footer__nav a { text-decoration: none; color: var(--c-text-inv-muted); transition: color .3s; }
.site-footer__nav a:hover { color: var(--c-ivory); }
.site-footer__bottom { display: grid; gap: 1.75rem; padding-block-start: 2rem; align-items: center; }
@media (min-width: 960px) { .site-footer__bottom { grid-template-columns: auto auto 1fr; gap: 3rem; } .site-footer__copy { text-align: end; } }
.site-footer__lang { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; }
.site-footer__lang .eyebrow { margin: 0; color: var(--c-text-inv-muted); }
.site-footer__muted, .site-footer__copy { font-size: var(--fs-small); color: var(--c-text-inv-muted); }
.social-links { display: flex; gap: .5rem; }
.social-links a { display: grid; place-items: center; width: 2.6rem; height: 2.6rem; border: 1px solid var(--line); border-radius: 50%; color: var(--c-text-inv-muted); transition: all .3s; }
.social-links a:hover { color: var(--c-ink); background: var(--c-gold); border-color: var(--c-gold); }

/* 9. Books & book page ------------------------------------------------------- */
.page-hero {
  position: relative;
  overflow: hidden;
  padding-block: calc(var(--header-h) + clamp(1.5rem, 3vw, 2.5rem)) clamp(2rem, 3.5vw, 3rem);
  background: var(--c-ink);
  isolation: isolate;
}
.page-hero__bg { position: absolute; inset: -15% 0; z-index: -2; }
.page-hero__bg img { width: 100%; height: 100%; object-fit: cover; }
.page-hero__bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to bottom, rgba(15,14,12,.78), rgba(15,14,12,.9)); }
.page-hero::after { content: ""; position: absolute; inset: 0; z-index: -1; background: var(--grain); opacity: .06; pointer-events: none; }
.page-hero__inner { position: relative; }
.page-hero__title { font-size: var(--fs-h1); color: var(--c-ivory); }
.page-hero__intro { margin-block-start: 1.5rem; font-size: var(--fs-lead); color: var(--c-text-inv-muted); max-width: 64rem; line-height: 1.6; }

/* Catalogue */
.catalogue__list { display: grid; gap: clamp(4rem, 8vw, 6rem); }
@media (min-width: 1100px) { .catalogue__list { grid-template-columns: 1fr 1fr; column-gap: 5rem; } }
.catalogue-item { display: grid; grid-template-columns: 1fr; gap: 2rem; position: relative; padding-block-start: 2.5rem; border-block-start: 1px solid var(--line); }
.catalogue-item[hidden] { display: none; }
.catalogue-item__index { position: absolute; inset-block-start: .9rem; inset-inline-end: 0; font-family: "Bodoni Moda", serif; font-style: italic; color: var(--accent); }
.catalogue-item__cover { width: min(64%, 260px); display: block; }
.catalogue-item__lang { font-size: var(--fs-xs); letter-spacing: .18em; text-transform: uppercase; color: var(--accent-2); font-weight: 500; }
html[lang="fa"] .catalogue-item__lang { letter-spacing: 0; font-size: .88rem; }
.catalogue-item__title { margin-block-start: .6rem; font-size: clamp(1.8rem, 1.4rem + 1.4vw, 2.5rem); }
.catalogue-item__title a { text-decoration: none; }
.catalogue-item__title a:hover { color: var(--accent-2); }
.catalogue-item__subtitle { margin-block-start: .6rem; font-family: var(--f-display); font-style: italic; color: var(--fg-muted); }
.catalogue-item__author { margin-block-start: 1rem; font-size: var(--fs-xs); letter-spacing: .2em; text-transform: uppercase; color: var(--accent); }
.catalogue-item__tagline { margin-block-start: 1rem; max-width: 34rem; }
.catalogue-item__formats { display: grid; gap: .25rem; margin-block-start: 1.25rem; font-size: var(--fs-small); color: var(--fg-muted); }
.catalogue-item__formats div { display: flex; gap: .75rem; }
.catalogue-item__formats dt { min-width: 6rem; color: var(--fg); }
.catalogue-item__actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-block-start: 1.75rem; }
@media (min-width: 640px) { .catalogue-item { grid-template-columns: 220px 1fr; } .catalogue-item__cover { width: 100%; } }

/* Book hero */
.book-hero { position: relative; overflow: hidden; padding-block: calc(var(--header-h) + 1.5rem) clamp(2.5rem, 5vw, 4rem); isolation: isolate; background: var(--c-ink); }
.book-hero__bg { position: absolute; inset: -15% 0; z-index: -2; }
.book-hero__bg img { width: 100%; height: 100%; object-fit: cover; }
.book-hero::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(105deg, rgba(15,14,12,.95) 25%, rgba(15,14,12,.7) 65%, rgba(15,14,12,.55)); }
.book-hero[data-mood="globe"]::before { background: linear-gradient(105deg, rgba(20,13,7,.95) 25%, rgba(26,18,10,.78) 65%, rgba(60,40,20,.55)); }
.book-hero[data-mood="mountain"]::before { background: linear-gradient(105deg, rgba(15,14,12,.95) 25%, rgba(15,14,12,.72) 60%, rgba(12,60,64,.55)); }
[dir="rtl"] .book-hero::before { background: linear-gradient(-105deg, rgba(15,14,12,.95) 25%, rgba(15,14,12,.7) 65%, rgba(15,14,12,.55)); }
[dir="rtl"] .book-hero[data-mood="globe"]::before { background: linear-gradient(-105deg, rgba(20,13,7,.95) 25%, rgba(26,18,10,.78) 65%, rgba(60,40,20,.55)); }
[dir="rtl"] .book-hero[data-mood="mountain"]::before { background: linear-gradient(-105deg, rgba(15,14,12,.95) 25%, rgba(15,14,12,.72) 60%, rgba(12,60,64,.55)); }
.book-hero__grid { display: grid; gap: 3rem; align-items: center; }
.book-hero__cover { width: min(72%, 420px); justify-self: center; }
.book-hero__title { font-size: var(--fs-h1); color: var(--c-ivory); }
.book-hero[data-mood="globe"] .book-hero__title { color: var(--c-gold-pale); }
.book-hero__subtitle { margin-block-start: 1rem; font-family: var(--f-display); font-style: italic; font-size: clamp(1.1rem, 1rem + .6vw, 1.45rem); color: var(--c-gold-soft); max-width: 36rem; line-height: 1.4; }
.book-hero__author { margin-block-start: 1.5rem; display: flex; gap: .75rem; align-items: baseline; font-size: var(--fs-small); color: var(--c-text-inv-muted); }
.book-hero__author span { font-size: var(--fs-xs); letter-spacing: .2em; text-transform: uppercase; }
.book-hero__author a { font-family: "Bodoni Moda", serif; font-size: 1.15rem; color: var(--c-ivory); text-decoration: none; }
.book-hero__tagline { margin-block-start: 1.25rem; font-size: var(--fs-lead); line-height: 1.55; max-width: 36rem; }
.book-hero__actions { display: flex; flex-wrap: wrap; gap: .9rem; margin-block-start: 2rem; }
@media (min-width: 900px) { .book-hero__grid { grid-template-columns: 5fr 7fr; gap: clamp(3rem, 6vw, 6rem); } .book-hero__cover { width: 100%; } }

.edition-switch ul { display: inline-flex; padding: .25rem; border: 1px solid rgba(239,232,218,.2); border-radius: 999px; margin-block-end: 1.75rem; }
.edition-switch a { display: inline-block; padding: .45rem 1.1rem; border-radius: 999px; font-size: .82rem; text-decoration: none; color: var(--c-text-inv-muted); transition: all .35s var(--ease); }
.edition-switch a:hover { color: #fff; }
.edition-switch a[aria-current] { background: var(--c-turquoise); color: #fff; }

.book-meta { display: grid; grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr)); gap: 1rem 2rem; margin-block-start: 2.5rem; padding-block-start: 1.5rem; border-block-start: 1px solid rgba(201,164,92,.25); }
.book-meta dt { font-size: .7rem; letter-spacing: .18em; text-transform: uppercase; color: var(--c-gold); }
html[lang="fa"] .book-meta dt { letter-spacing: 0; font-size: .82rem; }
.book-meta dd { font-size: .95rem; margin-block-start: .25rem; }
[dir="rtl"] .book-meta dd[dir="ltr"] { text-align: right; }
.book-meta--light { margin-block: 1rem 1.5rem; border-color: var(--line); }
.book-meta--light dt { color: var(--accent); }

.book-synopsis__grid { display: grid; gap: 2.5rem; }
.sticky-head .section-title { font-style: italic; font-size: clamp(1.45rem, 1.15rem + 1vw, 2.05rem); line-height: 1.25; }
@media (min-width: 960px) {
  .book-synopsis__grid { grid-template-columns: 5fr 7fr; gap: 6rem; }
  .sticky-head { position: sticky; inset-block-start: calc(var(--header-h) + 2rem); align-self: start; }
}

.book-themes { overflow: hidden; }
.book-themes__grid { display: grid; gap: 4rem; position: relative; }
@media (min-width: 960px) { .book-themes__grid { grid-template-columns: 1fr 1fr; gap: 6rem; } }
.theme-list { display: grid; border-block-start: 1px solid var(--line); }
.theme-list li { display: flex; gap: 1.25rem; align-items: baseline; padding-block: 1.1rem; border-block-end: 1px solid var(--line); font-family: var(--f-display); font-size: clamp(1.15rem, 1rem + .5vw, 1.4rem); color: var(--c-ivory); line-height: 1.35; }
.theme-list__num { font-family: var(--f-sans); font-size: .75rem; color: var(--c-gold); letter-spacing: .1em; min-width: 1.8rem; }

.journey { position: relative; display: grid; gap: 1.75rem; padding-inline-start: 2rem; }
.journey::before { content: ""; position: absolute; inset-block: .5rem; inset-inline-start: 5px; width: 1px; background: linear-gradient(var(--c-gold), rgba(201,164,92,.1)); }
.journey__item { position: relative; }
.journey__dot { position: absolute; inset-inline-start: -2rem; inset-block-start: .55rem; width: 11px; height: 11px; border: 1px solid var(--c-gold); background: var(--c-charcoal); transform: rotate(45deg); }
.journey__item:hover .journey__dot { background: var(--c-turquoise-light); border-color: var(--c-turquoise-light); }
.journey__title { font-family: var(--f-display); font-weight: 400; font-size: 1.35rem; color: var(--c-ivory); line-height: 1.25; }
.journey__sub { color: var(--c-text-inv-muted); font-size: .98rem; margin-block-start: .2rem; }

/* Excerpt */
.excerpt__wrap { max-width: 52rem; }
.excerpt__head { text-align: center; margin-block-end: 3rem; }
.excerpt__source { color: var(--fg-muted); font-size: var(--fs-small); font-style: italic; }
.excerpt__page {
  position: relative;
  padding: clamp(2rem, 6vw, 4.5rem);
  background: var(--c-paper);
  box-shadow: 0 1px 0 rgba(0,0,0,.05), 0 30px 60px -30px rgba(79,58,37,.45);
  font-family: "Bodoni Moda", Georgia, serif;
  font-size: clamp(1.08rem, 1rem + .35vw, 1.25rem);
  line-height: 1.85;
  color: #2a241c;
}
.excerpt__page::before { content: ""; position: absolute; inset: .75rem; border: 1px solid rgba(140,106,60,.25); pointer-events: none; }
.excerpt__page p + p { margin-block-start: 1.2em; text-indent: 1.5em; }
.dropcap::first-letter { float: inline-start; font-size: 4.2em; line-height: .82; padding-inline-end: .1em; padding-block-start: .08em; color: var(--c-bronze-deep); }
.excerpt__ellipsis { text-align: center; color: var(--c-bronze); text-indent: 0 !important; margin-block-start: 2rem !important; letter-spacing: .5em; }
.excerpt__cta { text-align: center; margin-block-start: 1.75rem; }

/* Buy panels */
.buy-panels { display: grid; gap: 1.5rem; }
@media (min-width: 900px) { .buy-panels { grid-template-columns: 1fr 1fr; } }
.buy-panel { display: grid; grid-template-columns: 100px 1fr; gap: 1.5rem; padding: clamp(1.25rem, 3vw, 2.25rem); border: 1px solid var(--line); background: var(--c-ivory); transition: border-color .4s, box-shadow .4s; }
.buy-panel.is-current { border-color: var(--c-turquoise); box-shadow: inset 0 3px 0 var(--c-turquoise); }
.buy-panel__cover img { box-shadow: 0 14px 26px -10px rgba(0,0,0,.5); }
.buy-panel__lang { font-size: var(--fs-xs); letter-spacing: .16em; text-transform: uppercase; color: var(--accent-2); }
.buy-panel__title { font-family: var(--f-display); font-weight: 400; font-size: 1.45rem; line-height: 1.2; margin-block-start: .35rem; }
@media (max-width: 520px) { .buy-panel { grid-template-columns: 1fr; } .buy-panel__cover { width: 110px; } }
.book-buy__foot { display: grid; gap: 2rem; margin-block-start: 3rem; }
@media (min-width: 900px) { .book-buy__foot { grid-template-columns: 1fr 1fr; align-items: start; } }
.rights-note { margin-block-start: 2rem; padding: 1.75rem; border-inline-start: 2px solid var(--c-gold); background: rgba(238,228,208,.5); }
.rights-note h3 { font-family: var(--f-display); font-weight: 400; font-size: 1.3rem; }
.rights-note p { margin-block: .6rem 1rem; color: var(--fg-muted); }

/* Related book */
.related-book { display: grid; gap: 2rem; align-items: center; max-width: 56rem; }
@media (min-width: 700px) { .related-book { grid-template-columns: 200px 1fr; gap: 3rem; } }
.related-book__cover { width: 180px; display: block; }
.related-book__title { font-family: var(--f-display); font-weight: 400; font-size: var(--fs-h2-sm); line-height: 1.15; }
.related-book__title a { text-decoration: none; }
.related-book__author { color: var(--c-gold); margin-block: .5rem 1rem; font-size: var(--fs-xs); letter-spacing: .2em; text-transform: uppercase; }
.related-book p:not([class]) { color: var(--c-text-inv-muted); margin-block-end: 1.25rem; }

/* Sticky mobile purchase bar */
.sticky-buy {
  position: fixed;
  inset-inline: 0;
  inset-block-end: 0;
  z-index: 90;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .75rem var(--gutter) calc(.75rem + env(safe-area-inset-bottom));
  background: rgba(17,15,12,.96);
  color: var(--c-ivory);
  border-block-start: 1px solid rgba(201,164,92,.3);
  transform: translateY(110%);
  transition: transform .5s var(--ease-out);
}
.sticky-buy.is-visible { transform: none; }
.sticky-buy__title { font-family: "Bodoni Moda", serif; font-size: 1rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
@media (min-width: 900px) { .sticky-buy { display: none; } }

/* 11. Inner pages ------------------------------------------------------------ */
/* About */
.about-hero { position: relative; overflow: hidden; padding-block: calc(var(--header-h) + 1.5rem) clamp(2.5rem, 5vw, 4rem); background: var(--c-ink); isolation: isolate; }
.about-hero__grid { position: relative; display: grid; gap: 3rem; align-items: center; }
.about-hero__title { font-size: var(--fs-hero); line-height: .95; color: var(--c-ivory); }
.about-hero__aka { margin-block-start: 1rem; color: var(--c-gold); font-size: var(--fs-xs); letter-spacing: .2em; text-transform: uppercase; }
html[lang="fa"] .about-hero__aka { letter-spacing: 0; font-size: .9rem; }
.about-hero__lead { margin-block-start: 1.75rem; font-family: var(--f-display); font-style: italic; font-size: clamp(1.25rem, 1rem + 1vw, 1.8rem); line-height: 1.45; color: var(--c-gold-pale); max-width: 30ch; }
html[lang="fa"] .about-hero__lead { font-style: normal; line-height: 1.8; }
.about-hero__portrait { width: min(72vw, 360px); justify-self: center; }
@media (min-width: 900px) { .about-hero__grid { grid-template-columns: 1.3fr 1fr; } .about-hero__portrait { width: 100%; max-width: 420px; justify-self: end; } }

.bio-section { display: grid; gap: 1.5rem; padding-block: clamp(2rem, 4vw, 3rem); border-block-end: 1px solid var(--line); }
.bio-section:first-child { padding-block-start: 0; }
.bio-section__head { display: flex; gap: 1.25rem; align-items: baseline; }
.bio-section__num { font-family: "Bodoni Moda", serif; font-style: italic; color: var(--accent); font-size: 1.1rem; }
.bio-section__title { font-size: var(--fs-h2-sm); }
@media (min-width: 960px) {
  .bio-section { grid-template-columns: 4fr 7fr; gap: 5rem; }
  .bio-section__head { position: sticky; inset-block-start: calc(var(--header-h) + 2rem); align-self: start; }
}
.persian-words { display: flex; flex-wrap: wrap; align-items: baseline; gap: .5rem 1rem; padding-block-start: 1.5rem !important; border-block-start: 1px solid var(--line); }
.persian-words [lang="fa"] { font-family: "Markazi Text", serif; font-size: 2.6rem; line-height: 1; color: var(--c-bronze-deep); }
.persian-words__gloss { font-style: italic; color: var(--fg-muted); font-size: .9rem; }
.persian-words__sep { color: var(--c-gold); }
.names-note { margin-block-start: 2.5rem; padding: 2rem; max-width: 48rem; border: 1px solid var(--line); background: var(--c-ivory); }
.names-note__title { font-family: var(--f-display); font-weight: 400; font-size: 1.4rem; margin-block-end: .75rem; }
.philosophy .eyebrow { justify-content: center; }

.mini-books { display: grid; gap: 3rem; margin-block-start: 3rem; }
@media (min-width: 760px) { .mini-books { grid-template-columns: 1fr 1fr; } }
.mini-book { display: grid; grid-template-columns: 140px 1fr; gap: 1.5rem; align-items: center; text-decoration: none; }
.mini-book .cover { grid-row: span 2; }
.mini-book__title { font-family: var(--f-display); font-size: 1.5rem; line-height: 1.2; align-self: end; }
.mini-book__tag { color: var(--fg-muted); font-size: .95rem; align-self: start; }
.mini-book:hover .mini-book__title { color: var(--accent-2); }

.cta-band__inner { display: grid; gap: 2rem; align-items: center; }
.cta-band__inner p { color: var(--fg-muted); max-width: 40rem; }
.cta-band__actions { display: flex; flex-wrap: wrap; gap: .9rem; margin-block-start: 1.5rem; }
.cta-band__inner .cta-band__actions { margin: 0; }
@media (min-width: 900px) { .cta-band__inner { grid-template-columns: 1fr auto; } }

/* Ideas */
.ideas__layout { display: grid; gap: 3rem; }
.ideas__toc ol { display: grid; gap: .2rem; counter-reset: none; }
.ideas__toc a { display: flex; gap: .9rem; padding: .45rem 0; text-decoration: none; color: var(--fg-muted); font-size: .95rem; transition: color .3s; border-inline-start: 1px solid transparent; }
.ideas__toc a span { font-family: "Bodoni Moda", serif; font-style: italic; color: var(--accent); min-width: 2rem; }
.ideas__toc a:hover, .ideas__toc a.is-active { color: var(--fg); }
.ideas__toc a.is-active { color: var(--accent-2); }
@media (max-width: 1099px) { .ideas__toc { display: none; } }
@media (min-width: 1100px) {
  .ideas__layout { grid-template-columns: 17rem 1fr; gap: 6rem; }
  .ideas__toc { position: sticky; inset-block-start: calc(var(--header-h) + 2rem); align-self: start; }
}
.idea { position: relative; padding-block: clamp(2rem, 4vw, 3rem); border-block-end: 1px solid var(--line); }
.idea:first-child { padding-block-start: 0; }
.idea__glyph { position: absolute; inset-block-start: 1rem; right: 0; font-family: "Markazi Text", serif; font-size: clamp(4rem, 10vw, 8.5rem); line-height: 1; color: var(--c-bronze); opacity: .1; pointer-events: none; white-space: nowrap; }
.idea__num { font-family: "Bodoni Moda", serif; font-style: italic; font-size: 1.2rem; color: var(--accent); }
.idea__title { font-size: var(--fs-h2-sm); margin-block-start: .5rem; }
.idea__kicker { margin-block-start: 1rem; font-family: var(--f-display); font-style: italic; font-size: 1.2rem; color: var(--accent-2); max-width: 40rem; }
html[lang="fa"] .idea__kicker { font-style: normal; }
.idea__intro { margin-block-start: 1.5rem; max-width: 80ch; font-size: 1.08rem; }
.idea__links { display: grid; gap: 2rem; margin-block-start: 2.25rem; }
@media (min-width: 760px) { .idea__links { grid-template-columns: 1fr 1fr; } }
.idea__label { font-family: var(--f-sans); font-size: var(--fs-xs); font-weight: 500; letter-spacing: var(--tracking-caps); text-transform: uppercase; color: var(--fg-muted); margin-block-end: 1rem; }
.idea__books { display: grid; gap: .75rem; }
.idea__books a { display: flex; gap: 1rem; align-items: center; text-decoration: none; font-family: var(--f-display); font-size: 1.1rem; }
.idea__books img { width: 44px; box-shadow: 0 6px 12px -4px rgba(0,0,0,.4); transition: transform .4s var(--ease-out); }
.idea__books a:hover img { transform: translateY(-3px); }
.idea__books a:hover { color: var(--accent-2); }
.idea__articles { display: grid; gap: .6rem; }

/* Article */
.article-hero { position: relative; overflow: hidden; padding-block: calc(var(--header-h) + clamp(1.5rem, 3vw, 2.5rem)) clamp(2rem, 4vw, 3rem); background: var(--c-ink); isolation: isolate; }
.article-hero__inner { max-width: 72rem; }
.article-hero__title { font-size: var(--fs-h1); color: var(--c-ivory); }
.article-hero__dek { margin-block-start: 1.5rem; font-family: var(--f-display); font-style: italic; font-size: var(--fs-lead); color: var(--c-gold-pale); max-width: 60rem; line-height: 1.5; }
html[lang="fa"] .article-hero__dek { font-style: normal; }
.article-hero__meta { display: flex; flex-wrap: wrap; gap: .6rem; margin-block-start: 2rem; font-size: var(--fs-small); color: var(--c-text-inv-muted); }
.article-body__grid { display: grid; gap: 4rem; }
@media (min-width: 1000px) { .article-body__grid { grid-template-columns: minmax(0, 1fr) 16rem; gap: 6rem; } .article-body__aside { position: sticky; inset-block-start: calc(var(--header-h) + 2rem); align-self: start; } }
.prose--article { font-size: 1.15rem; line-height: 1.85; }
.prose--article p:first-child::first-letter { float: inline-start; font-family: "Bodoni Moda", serif; font-size: 4em; line-height: .8; padding-inline-end: .1em; padding-block-start: .1em; color: var(--c-bronze-deep); }
html[lang="fa"] .prose--article p:first-child::first-letter { float: none; font-size: inherit; padding: 0; }
.aside-book { display: grid; gap: 1rem; padding: 1.5rem; border: 1px solid var(--line); background: var(--c-ivory); }
.aside-book__link { display: grid; gap: 1rem; text-decoration: none; }
.aside-book .cover { width: 140px; }
.aside-book__title { font-family: var(--f-display); font-size: 1.2rem; line-height: 1.25; }
.aside-book .btn { justify-self: start; }

/* Media */
.press__grid { display: grid; gap: 4rem; }
@media (min-width: 960px) { .press__grid { grid-template-columns: 5fr 7fr; gap: 6rem; } .press__portrait { position: sticky; inset-block-start: calc(var(--header-h) + 2rem); align-self: start; } }
.press__portrait { max-width: 420px; width: 90%; }
.press__portrait figcaption { display: grid; gap: .6rem; justify-items: start; margin-block-start: 2.5rem; }
.press__credit { font-size: var(--fs-small); color: var(--fg-muted); }
.press__text { display: grid; gap: 3rem; }
.press-block { padding-block-end: 3rem; border-block-end: 1px solid var(--line); }
.press-block__head { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; }
.press-block__title { font-family: var(--f-display); font-weight: 400; font-size: 1.6rem; margin-block-end: 1.25rem; }
.press-block__title--spaced { margin-block-start: 2.5rem; }
.press-block__bio p + p { margin-block-start: 1em; }
.copy-btn { display: inline-flex; align-items: center; gap: .4rem; padding: .4rem .8rem; border: 1px solid var(--line); background: transparent; font-size: var(--fs-xs); letter-spacing: .1em; text-transform: uppercase; color: var(--fg-muted); transition: all .3s; flex: none; }
.copy-btn:hover, .copy-btn.is-done { border-color: var(--c-turquoise-ink); color: var(--c-turquoise-ink); }
.facts { display: grid; gap: 1rem; }
.facts div { display: grid; gap: .2rem; }
@media (min-width: 640px) { .facts div { grid-template-columns: 12rem 1fr; gap: 1.5rem; } }
.facts dt { font-size: var(--fs-xs); letter-spacing: .14em; text-transform: uppercase; color: var(--accent); padding-block-start: .2rem; }
html[lang="fa"] .facts dt { letter-spacing: 0; font-size: .88rem; }
.cover-downloads { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; margin-block: 2rem; }
@media (min-width: 960px) { .cover-downloads { grid-template-columns: repeat(4, 1fr); } }
.cover-downloads img { box-shadow: 0 18px 34px -16px rgba(0,0,0,.55); margin-block-end: 1rem; }
.cover-downloads__title { font-family: var(--f-display); font-size: 1.1rem; line-height: 1.25; }
.cover-downloads li { display: flex; flex-direction: column; }
.cover-downloads__meta { font-size: var(--fs-small); color: var(--fg-muted); margin-block-end: 1rem; }
.cover-downloads__cta { margin-block-start: auto; align-self: flex-start; }
.press-contact__grid { display: grid; gap: 3rem; }
@media (min-width: 960px) { .press-contact__grid { grid-template-columns: 1.3fr 1fr; gap: 6rem; } }
.press-contact p { color: var(--c-text-inv-muted); }
.press-contact .link-underline { color: var(--c-gold-soft); font-size: 1.1rem; }

/* Events */
.format-chips { display: flex; flex-wrap: wrap; gap: .5rem; margin-block-end: 2rem; }
.format-chips li { padding: .4rem 1rem; border: 1px solid var(--line); border-radius: 999px; font-size: .88rem; color: var(--fg-muted); }
.event-list { display: grid; border-block-start: 1px solid var(--line); margin-block-end: 2.5rem; }
.event { display: grid; grid-template-columns: 5.5rem 1fr; gap: 1rem 2rem; align-items: start; padding-block: 2rem; border-block-end: 1px solid var(--line); }
.event__day { display: block; font-family: "Bodoni Moda", serif; font-size: 3rem; line-height: 1; color: var(--accent); }
.event__month { font-size: var(--fs-xs); letter-spacing: .1em; text-transform: uppercase; color: var(--fg-muted); }
.event__type { font-size: var(--fs-xs); letter-spacing: .16em; text-transform: uppercase; color: var(--accent-2); }
.event__title { font-family: var(--f-display); font-weight: 400; font-size: 1.6rem; line-height: 1.2; margin-block: .35rem .5rem; }
.event__place { display: flex; gap: .4rem; align-items: center; color: var(--fg-muted); font-size: .95rem; }
.event__desc { margin-block-start: .75rem; max-width: 46rem; }
.event .btn { grid-column: 2; justify-self: start; }
@media (min-width: 900px) { .event { grid-template-columns: 7rem 1fr auto; } .event .btn { grid-column: auto; align-self: center; } }
.event-list--past { opacity: .75; }

/* Contact */
.contact__grid { display: grid; gap: 4rem; }
@media (min-width: 960px) { .contact__grid { grid-template-columns: 4fr 7fr; gap: 6rem; } .contact__aside { position: sticky; inset-block-start: calc(var(--header-h) + 2rem); align-self: start; } }
.contact__aside { position: relative; display: grid; gap: 1.5rem; align-content: start; }
.contact__aside .facts div { grid-template-columns: 1fr; gap: .2rem; }
.contact__glyph { font-family: "Markazi Text", serif; font-size: clamp(4rem, 9vw, 7rem); line-height: 1; color: var(--c-bronze); opacity: .14; }

/* Legal */
.legal__wrap { max-width: 52rem; }
.prose--legal h2 { font-family: var(--f-display); font-weight: 400; font-size: 1.5rem; margin-block-start: 2.5rem; }
.prose--legal code { font-size: .9em; background: var(--c-parchment); padding: .1em .35em; }
.legal__address { line-height: 1.8; }

/* 404 */
.not-found { position: relative; min-height: 100svh; display: flex; align-items: center; overflow: hidden; padding-block: calc(var(--header-h) + 3rem) 4rem; background: var(--c-ink); }
.not-found__num { position: absolute; inset-block-end: -6vw; inset-inline-end: -2vw; font-family: "Bodoni Moda", serif; font-style: italic; font-size: clamp(12rem, 38vw, 34rem); line-height: 1; color: var(--c-gold); opacity: .07; pointer-events: none; }
.not-found__inner { position: relative; max-width: 50rem; }
.not-found__title { font-size: var(--fs-h1); color: var(--c-ivory); }
.not-found__text { margin-block-start: 1.5rem; color: var(--c-text-inv-muted); font-size: var(--fs-lead); }

/* 12. Forms -------------------------------------------------------------------- */
.form-grid { display: grid; gap: 1.5rem; }
@media (min-width: 700px) { .form-grid { grid-template-columns: 1fr 1fr; } .field--full { grid-column: 1 / -1; } }
.field { display: grid; gap: .5rem; }
.field label { font-size: .9rem; font-weight: 500; }
.field__opt { font-weight: 400; color: var(--fg-muted); }
.field input, .field select, .field textarea {
  width: 100%;
  min-height: 3.25rem;
  padding: .8rem 1rem;
  border: 1px solid rgba(29, 26, 21, .28);
  border-radius: var(--radius);
  background: var(--c-paper);
  color: var(--c-text);
  transition: border-color .3s, box-shadow .3s, background .3s;
}
.field textarea { min-height: 11rem; resize: vertical; line-height: 1.6; }
.field input:hover, .field select:hover, .field textarea:hover { border-color: rgba(29,26,21,.5); }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--c-turquoise-ink); box-shadow: 0 0 0 3px rgba(26,166,163,.2); background: #fff; }
.field.has-error input, .field.has-error select, .field.has-error textarea, [aria-invalid="true"] { border-color: var(--c-error) !important; }
.field__error { font-size: .88rem; color: var(--c-error); }
.select { position: relative; }
.select select { appearance: none; padding-inline-end: 2.5rem; }
.select::after { content: ""; position: absolute; inset-inline-end: 1.1rem; inset-block-start: 50%; width: 8px; height: 8px; border-inline-end: 1px solid currentColor; border-block-end: 1px solid currentColor; transform: translateY(-70%) rotate(45deg); pointer-events: none; }
.check { display: flex; gap: .85rem; align-items: flex-start; font-size: .92rem; line-height: 1.55; }
.check input { flex: none; width: 1.25rem; height: 1.25rem; margin-block-start: .15rem; accent-color: var(--c-turquoise-ink); }
.check a { color: var(--link); }
.form-note { font-size: var(--fs-small); color: var(--fg-muted); }
.contact-form { margin-block-start: 2rem; }
.btn--submit { margin-block-start: 2rem; }
.btn.is-busy { opacity: .7; pointer-events: none; }
.form-message { display: flex; gap: .85rem; align-items: flex-start; padding: 1rem 1.25rem; margin-block-end: 1.5rem; border-inline-start: 3px solid; font-size: .95rem; }
.form-message .icon { width: 1.3rem; height: 1.3rem; margin-block-start: .15rem; }
.form-message ul { margin-block-start: .5rem; padding-inline-start: 1.1rem; }
.form-message a { color: inherit; }
.form-message--error { border-color: var(--c-error); background: rgba(163, 52, 31, .07); color: var(--c-error); }
.form-message--success { border-color: var(--c-turquoise); background: rgba(26, 166, 163, .1); color: var(--c-success); }
.theme-teal .form-message--success { color: var(--c-ivory); background: rgba(255,255,255,.08); border-color: var(--c-gold-pale); }
.theme-teal .form-message--error { color: var(--c-error-inv); background: rgba(255,155,133,.1); border-color: var(--c-error-inv); }
.form-message--large { padding: 2rem; }
.form-message--large h2 { font-family: var(--f-display); font-weight: 400; font-size: 1.6rem; color: var(--c-text); }
.form-message--large p { color: var(--c-text-muted); margin-block-start: .5rem; }
.field--inline label { color: inherit; }
.field__row { display: flex; flex-wrap: wrap; gap: .6rem; }
.field__row input { flex: 1 1 14rem; }
.newsletter .field input { background: rgba(255,255,255,.95); border-color: transparent; }
.newsletter .field.has-error input { border-color: var(--c-error-inv) !important; }
.newsletter .field__error { color: var(--c-error-inv); }

/* 13. RTL -------------------------------------------------------------------- */
/* Persian ornaments carry their own dir="rtl", so they are positioned physically by page direction. */
[dir="rtl"] .theme-tile__glyph { right: auto; left: 1.25rem; }
[dir="rtl"] .idea__glyph { right: auto; left: 0; }
[dir="rtl"] .hero__line--2 { padding-inline-start: 0; }
[dir="rtl"] .cover__inner { border-radius: 3px 1px 1px 3px; }
/* Covers are printed objects: the spine stays on the left, artwork is never mirrored. */
[dir="rtl"] .cover__inner::before { inset-inline-start: auto; inset-inline-end: auto; left: 0; }
[dir="rtl"] .stat__label, [dir="rtl"] .catalogue-item__formats dd { unicode-bidi: plaintext; }
[dir="rtl"] input[type="email"] { text-align: left; }

/* 14. Motion -------------------------------------------------------------------- */
.js [data-reveal] { opacity: 0; transform: translateY(26px); transition: opacity 1s var(--ease), transform 1.1s var(--ease-out); transition-delay: calc(var(--d, 0) * 90ms); }
.js [data-reveal].is-visible { opacity: 1; transform: none; }
@keyframes drift { from { transform: translate3d(-2%, -1%, 0) scale(1); } to { transform: translate3d(3%, 2%, 0) scale(1.08); } }
@keyframes scroll-line { 0% { transform: translateY(-100%); } 60%, 100% { transform: translateY(260%); } }
/* Page entry relies on the cross-document view transition below; no body
   fade-in, so a paused animation (background tab) can never leave a blank page. */
body.is-leaving { opacity: 0; transition: opacity .3s var(--ease); }
@view-transition { navigation: auto; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; transition-delay: 0s !important; scroll-behavior: auto !important; }
  html { scroll-behavior: auto; }
  .js [data-reveal], .js .hero__line > span, .js .hero__eyebrow, .js .hero__claim, .js .hero__lead, .js .hero__actions, .js .hero__aka { opacity: 1 !important; transform: none !important; }
  .js .hero__portrait .arch { clip-path: none !important; }
  .js .hero__portrait .arch img { transform: none !important; }
  .cover__inner { transform: none !important; }
  [data-parallax] { transform: none !important; }
  @view-transition { navigation: none; }
}

/* 15. Print -------------------------------------------------------------------- */
@media print {
  .site-header, .mobile-menu, .site-footer, .newsletter, .share, .scroll-cue, .sticky-buy, .hero__light, .grid-lines { display: none !important; }
  body, .theme-dark, .theme-night, .theme-teal { background: #fff !important; color: #000 !important; }
  [data-reveal] { opacity: 1 !important; transform: none !important; }
  a[href^="http"]::after { content: " (" attr(href) ")"; font-size: .8em; }
}

/* 16. Responsive refinements ------------------------------------------------
   Breakpoints: phone < 480 · large phone 480–699 · tablet 700–1099 ·
   laptop 1100–1439 · large desktop ≥ 1440. Later rules refine earlier ones.
   --------------------------------------------------------------------------- */

/* Touch targets (≥ 44px) and legible small print on every device */
.lang-switch a { min-width: 2.75rem; min-height: 2.75rem; }
.site-footer__nav ul { gap: .1rem; }
.site-footer__nav a { display: inline-flex; align-items: center; min-height: 2.75rem; }
.social-links a { width: 2.75rem; height: 2.75rem; }
.brand { min-height: 2.75rem; }
.link-arrow { min-height: 2.75rem; background-position: 0 calc(100% - .55rem); }
[dir="rtl"] .link-arrow { background-position: 100% calc(100% - .55rem); }
.link-underline { min-height: 2.75rem; }
.eyebrow a { display: inline-flex; align-items: center; min-height: 2.75rem; }
.breadcrumbs a { display: inline-block; padding-block: .6rem; }
.edition-tags a { display: inline-flex; align-items: center; min-height: 2.5rem; font-size: .75rem; }
.badge, .retailer__note, .book-meta dt, .scroll-cue, .btn--sm { font-size: .75rem; }
.check input { width: 1.4rem; height: 1.4rem; }
.filter__btn { min-height: 2.75rem; display: inline-flex; align-items: center; }

/* Phones */
@media (max-width: 479px) {
  :root { --header-h: 72px; }
  .section { padding-block: clamp(3.75rem, 14vw, 4.5rem); }
  .hero { padding-block: calc(var(--header-h) + 1.5rem) 3.5rem; }
  .hero__name, .about-hero__title { font-size: clamp(3rem, 15.5vw, 4.4rem); }
  .hero__claim { font-size: 1.25rem; }
  .hero__lead, .feature__teaser, .book-hero__tagline { font-size: 1rem; }
  /* Primary actions become full-width, easy-to-hit buttons */
  :is(.hero__actions, .feature__actions, .book-hero__actions, .book-feature__actions,
      .catalogue-item__actions, .cta-band__actions) .btn { flex: 1 1 100%; }
  .btn { padding-inline: 1.25rem; }
  .identity__statement { font-size: 1.45rem; }
  .stat { padding: 1.5rem .75rem 0; }
  .stat__num { font-size: 2.75rem; }
  .theme-tile a { min-height: 0; padding: 1.75rem 1.25rem 3.5rem; }
  .book-feature__stage { aspect-ratio: 1 / 1.05; }
  .book-stack { width: 58%; }
  .feature__cover, .book-hero__cover { width: min(78%, 300px); }
  .quote, .philosophy { padding-block: 5rem; }
  .quote__text { font-size: 1.6rem; }
  .excerpt__page { padding: 1.75rem 1.25rem; font-size: 1.04rem; }
  .excerpt__page::before { inset: .45rem; }
  .edition-row { grid-template-columns: 60px 1fr; gap: .75rem 1rem; }
  .retailers--compact .retailer { flex: 1 1 calc(50% - .6rem); }
  .buy-panel { padding: 1.25rem; }
  .site-footer__nav { grid-template-columns: 1fr 1fr; gap: 2rem 1.5rem; }
  .names-note, .rights-note { padding: 1.5rem; }
  .empty-state { padding-inline: 1.25rem; }
  .event { grid-template-columns: 4rem 1fr; gap: .5rem 1.25rem; }
  .event__day { font-size: 2.4rem; }
  .press__portrait, .home-author__media { width: 88%; }
  .mobile-menu__nav a { font-size: clamp(1.9rem, 9.5vw, 2.6rem); }
}

/* Large phones */
@media (min-width: 480px) and (max-width: 699px) {
  .book-stack { width: 46%; }
  .theme-tile a { min-height: 12rem; }
}

/* Tablets: bring the two-column editorial compositions in earlier */
@media (min-width: 700px) {
  .hero__grid { grid-template-columns: 1.3fr 1fr; gap: clamp(2rem, 4vw, 5rem); }
  .hero__portrait { order: 0; width: 100%; max-width: 440px; justify-self: end; }
  .about-hero__grid { grid-template-columns: 1.3fr 1fr; gap: clamp(2rem, 4vw, 5rem); }
  .about-hero__portrait { width: 100%; max-width: 420px; justify-self: end; }
  .book-features { grid-template-columns: 1fr 1fr; gap: clamp(2rem, 4vw, 4rem); }
  .home-author__grid { grid-template-columns: 5fr 7fr; gap: clamp(2.5rem, 5vw, 6rem); }
  .home-author__media { width: 100%; }
  .feature__grid { grid-template-columns: 5fr 7fr; gap: clamp(2.5rem, 5vw, 5rem); }
  .feature__cover { width: 100%; max-width: 420px; }
  .book-hero__grid { grid-template-columns: 5fr 7fr; gap: clamp(2rem, 5vw, 6rem); }
  .book-hero__cover { width: 100%; }
  .newsletter__grid { grid-template-columns: 1fr 1fr; gap: clamp(2.5rem, 5vw, 6rem); }
  .press__grid { grid-template-columns: 5fr 7fr; gap: clamp(2.5rem, 5vw, 6rem); }
  .press__portrait { width: 100%; position: sticky; inset-block-start: calc(var(--header-h) + 2rem); align-self: start; }
  .cover-downloads { grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
  .buy-panels { grid-template-columns: 1fr 1fr; }
  .site-footer__top { grid-template-columns: 1fr 1.4fr; gap: 3rem; }
}

/* Tablet range only: scale large type to the narrower columns */
@media (min-width: 700px) and (max-width: 1099px) {
  .hero__name, .about-hero__title { font-size: clamp(3.4rem, 8vw, 6.4rem); }
  .book-hero__title, .feature__title, .page-hero__title, .article-hero__title { font-size: clamp(2.4rem, 5.4vw, 3.8rem); }
  .book-feature__title { font-size: clamp(1.6rem, 3.2vw, 2.1rem); }
  .book-feature__stage { aspect-ratio: 1 / 1.1; }
  .book-stack { width: 60%; }
  .book-feature__actions .btn { flex: 1 1 100%; }
  .theme-tile a { min-height: 13rem; }
  .catalogue-item { grid-template-columns: 200px 1fr; }
  .edition-row { grid-template-columns: 72px minmax(12rem, 1fr); }
  .edition-row__buy { grid-column: 1 / -1; }
  .contact__grid .form-grid { grid-template-columns: 1fr; }
  .hero { min-height: auto; padding-block-end: 5rem; }
  .site-footer__nav { grid-template-columns: repeat(3, 1fr); }
}

/* Tablet landscape / small laptops */
@media (min-width: 900px) and (max-width: 1099px) {
  .contact__grid .form-grid { grid-template-columns: 1fr 1fr; }
  .edition-row { grid-template-columns: 84px minmax(14rem, 1fr) auto; }
  .edition-row__buy { grid-column: auto; }
}

/* Large desktops: a little more room and scale */
@media (min-width: 1440px) {
  :root { --container: 1400px; }
  .hero__grid { gap: 7rem; }
}
@media (min-width: 1920px) {
  :root { --container: 1560px; --fs-body: 1.125rem; }
}

/* Short viewports (landscape phones) */
@media (max-height: 520px) and (orientation: landscape) {
  .hero { min-height: auto; }
  .mobile-menu__nav a { font-size: 1.6rem; line-height: 1.2; }
  .mobile-menu__nav { padding-block: 1rem; }
  .mobile-menu__foot { padding-block: 1rem 2rem; }
}

/* Long words (German compounds, titles) never force horizontal scrolling */
h1, h2, h3, h4, p, li, dd, dt, label, .mini-book__title, .mini-book__tag { overflow-wrap: break-word; }
:is(.mini-book, .edition-row, .buy-panel, .catalogue-item, .event, .related-book) > * { min-width: 0; }
.cover-downloads { grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (min-width: 700px) and (max-width: 899px) { .cover-downloads { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2rem; } }
@media (min-width: 900px) { .cover-downloads { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
@media (max-width: 479px) {
  .cover-downloads { gap: 1.5rem 1rem; }
  .cover-downloads__cta { align-self: stretch; white-space: normal; text-align: center; padding-inline: .6rem; letter-spacing: .1em; }
}
@media (max-width: 699px) {
  h1, h2, h3, .mini-book__title, .cover-downloads__title { hyphens: auto; -webkit-hyphens: auto; }
  .mini-book { grid-template-columns: 96px minmax(0, 1fr); gap: 1rem; }
  .mini-book__title { font-size: 1.25rem; }
}
.edition-switch a { display: inline-flex; align-items: center; min-height: 2.75rem; }
.copy-btn { min-height: 2.75rem; }
:is(.press__grid, .contact__grid, .press-contact__grid, .newsletter__grid, .book-synopsis__grid, .book-themes__grid, .bio-section, .ideas__layout, .article-body__grid) > * { min-width: 0; }
.press-block__head { flex-wrap: wrap; row-gap: .5rem; }