/* ==========================================================================
   Rakesh Kumar — Author site
   Design system: "Literary Archive"  (warm ivory paper · deep ink navy · brass)
   Plain HTML/CSS/JS port of the original React + Tailwind build.
   ========================================================================== */

/* ---------- Design tokens ---------- */
:root {
  --radius: 0.25rem;

  --background: oklch(0.976 0.008 85);
  --foreground: oklch(0.23 0.024 262);

  --card: oklch(0.992 0.005 85);
  --card-foreground: oklch(0.23 0.024 262);

  --primary: oklch(0.27 0.038 258);
  --primary-foreground: oklch(0.976 0.008 85);

  --muted: oklch(0.938 0.012 85);
  --muted-foreground: oklch(0.5 0.02 262);

  --border: oklch(0.89 0.014 85);
  --input: oklch(0.89 0.014 85);
  --ring: oklch(0.72 0.11 78);

  --ink: oklch(0.21 0.03 260);
  --ink-foreground: oklch(0.96 0.01 85);
  --brass: oklch(0.72 0.11 78);
  --brass-foreground: oklch(0.21 0.03 260);
  --parchment: oklch(0.945 0.016 82);

  --shadow-soft: 0 1px 2px oklch(0.23 0.024 262 / 0.04), 0 8px 24px -12px oklch(0.23 0.024 262 / 0.18);
  --shadow-lift: 0 2px 6px oklch(0.23 0.024 262 / 0.06), 0 24px 48px -20px oklch(0.23 0.024 262 / 0.28);
  --gradient-ink: linear-gradient(160deg, oklch(0.24 0.032 260), oklch(0.18 0.026 258));

  --font-display: "Cormorant Garamond", Georgia, serif;
  --font-sans: "Karla", ui-sans-serif, system-ui, sans-serif;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

* {
  margin: 0;
}

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

body {
  background-color: var(--background);
  color: var(--foreground);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  font-size: inherit;
}

ul,
ol {
  list-style: none;
  padding: 0;
}

h1,
h2,
h3,
h4,
.font-display {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.15;
}

/* ---------- Shared helpers ---------- */
.container {
  width: 100%;
  max-width: 80rem; /* max-w-7xl */
  margin-inline: auto;
  padding-inline: 1rem;
}
@media (min-width: 640px) {
  .container { padding-inline: 1.5rem; }
}
@media (min-width: 1024px) {
  .container { padding-inline: 2rem; }
}
.container--narrow { max-width: 64rem; } /* max-w-5xl */
.container--md { max-width: 72rem; }     /* max-w-6xl */

.main {
  flex: 1 1 auto;
}

.eyebrow {
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: color-mix(in oklab, var(--brass) 85%, var(--foreground));
}

.bg-parchment { background-color: var(--parchment); }
.bg-card { background-color: var(--card); }
.bg-ink-gradient { background-image: var(--gradient-ink); }

.section {
  padding-block: 5rem;
}
@media (min-width: 768px) {
  .section { padding-block: 7rem; }
}
.section--tight { padding-block: 3.5rem; }
@media (min-width: 768px) {
  .section--tight { padding-block: 5rem; }
}

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

.rule-brass::after {
  content: "";
  display: block;
  width: 3.5rem;
  height: 1px;
  margin-top: 1rem;
  background: linear-gradient(90deg, var(--brass), transparent);
}
.rule-brass.center::after { margin-inline: auto; }

/* Rise-in animation */
.animate-rise {
  animation: rise 700ms var(--ease) both;
}
@keyframes rise {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  white-space: nowrap;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background-color 200ms, color 200ms, border-color 200ms, box-shadow 200ms;
  height: 2.25rem;
  padding-inline: 1rem;
}
.btn svg { width: 1rem; height: 1rem; flex-shrink: 0; }
.btn:disabled { opacity: 0.5; pointer-events: none; }

.btn--ink {
  background-color: var(--ink);
  color: var(--ink-foreground);
  box-shadow: var(--shadow-soft);
  letter-spacing: 0.025em;
}
.btn--ink:hover { background-color: color-mix(in oklab, var(--ink) 90%, transparent); }

.btn--brass {
  background-color: var(--brass);
  color: var(--brass-foreground);
  box-shadow: var(--shadow-soft);
  letter-spacing: 0.025em;
}
.btn--brass:hover { background-color: color-mix(in oklab, var(--brass) 85%, transparent); }

.btn--quiet {
  border-color: color-mix(in oklab, var(--ink) 25%, transparent);
  background: transparent;
  color: var(--ink);
  letter-spacing: 0.025em;
}
.btn--quiet:hover { border-color: var(--brass); color: var(--brass); }

.btn--on-ink {
  border-color: color-mix(in oklab, var(--ink-foreground) 35%, transparent);
  background: transparent;
  color: var(--ink-foreground);
  letter-spacing: 0.025em;
}
.btn--on-ink:hover { background-color: color-mix(in oklab, var(--ink-foreground) 10%, transparent); }

.btn--sm { height: 2rem; padding-inline: 0.75rem; font-size: 0.75rem; }
.btn--lg { height: 2.75rem; padding-inline: 2rem; }
.btn--xl { height: 3.25rem; padding-inline: 2.25rem; font-size: 0.95rem; }
.btn--block { width: 100%; }

/* ---------- Navbar ---------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid color-mix(in oklab, var(--border) 70%, transparent);
  background-color: color-mix(in oklab, var(--background) 85%, transparent);
  backdrop-filter: blur(12px);
}
.navbar__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 1rem;
  padding-block: 0.75rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
}
.brand__mark {
  display: grid;
  place-items: center;
  height: 2.5rem;
  width: 2.5rem;
  flex-shrink: 0;
  border-radius: 0.125rem;
  background-color: var(--ink);
  color: var(--ink-foreground);
  font-family: var(--font-display);
  font-size: 1.125rem;
}
.brand__name {
  display: block;
  font-family: var(--font-display);
  font-size: 1.125rem;
  line-height: 1.2;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.brand__role {
  display: block;
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--muted-foreground);
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: 1.5rem;
}
@media (min-width: 1024px) {
  .nav-desktop { display: flex; }
}
.nav-link {
  position: relative;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--muted-foreground);
  transition: color 200ms;
}
.nav-link:hover { color: var(--foreground); }
.nav-link.is-active { color: var(--foreground); }
.nav-link.is-active::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.375rem;
  height: 1px;
  width: 100%;
  background-color: var(--brass);
}

.nav-toggle {
  display: grid;
  place-items: center;
  height: 2.5rem;
  width: 2.5rem;
  flex-shrink: 0;
  border-radius: 0.125rem;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--foreground);
  cursor: pointer;
}
@media (min-width: 1024px) {
  .nav-toggle { display: none; }
}
.nav-toggle svg { width: 1.25rem; height: 1.25rem; }

.nav-mobile {
  display: none;
  border-top: 1px solid var(--border);
  background-color: var(--background);
}
.nav-mobile.is-open {
  display: block;
  animation: rise 300ms var(--ease) both;
}
@media (min-width: 1024px) {
  .nav-mobile.is-open { display: none; }
}
.nav-mobile__inner {
  display: flex;
  flex-direction: column;
  padding-block: 0.5rem;
}
.nav-mobile__link {
  border-bottom: 1px solid color-mix(in oklab, var(--border) 60%, transparent);
  padding-block: 0.75rem;
  font-size: 0.875rem;
  letter-spacing: 0.02em;
  color: var(--muted-foreground);
}
.nav-mobile__link:last-of-type { border-bottom: 0; }
.nav-mobile__link.is-active { color: var(--foreground); }
.nav-mobile .btn { margin-block: 1rem; }

/* ---------- Footer ---------- */
.footer {
  background-image: var(--gradient-ink);
  color: var(--ink-foreground);
}
.footer__grid {
  display: grid;
  gap: 3rem;
  padding-block: 4rem;
}
@media (min-width: 768px) {
  .footer__grid { grid-template-columns: repeat(3, 1fr); }
}
.footer h3 { font-size: 1.5rem; }
.footer__titles {
  margin-top: 0.25rem;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: color-mix(in oklab, var(--ink-foreground) 60%, transparent);
}
.footer__tagline {
  margin-top: 1.25rem;
  max-width: 24rem;
  font-size: 0.875rem;
  line-height: 1.6;
  color: color-mix(in oklab, var(--ink-foreground) 70%, transparent);
}
.footer h4 { color: color-mix(in oklab, var(--brass) 85%, var(--foreground)); }
.footer__links {
  margin-top: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.footer__links a {
  font-size: 0.875rem;
  color: color-mix(in oklab, var(--ink-foreground) 70%, transparent);
  transition: color 200ms;
}
.footer__links a:hover { color: var(--brass); }
.footer__contact {
  margin-top: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  font-size: 0.875rem;
  color: color-mix(in oklab, var(--ink-foreground) 70%, transparent);
}
.footer__contact li { display: flex; gap: 0.75rem; }
.footer__contact svg {
  margin-top: 0.125rem;
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
  color: var(--brass);
}
.footer__contact a:hover { color: var(--brass); }
.footer__contact .break-all { word-break: break-all; }
.footer__bottom {
  margin-top: 3.5rem;
  border-top: 1px solid color-mix(in oklab, var(--ink-foreground) 15%, transparent);
  padding-top: 1.5rem;
  text-align: center;
  font-size: 0.75rem;
  color: color-mix(in oklab, var(--ink-foreground) 50%, transparent);
}

/* ---------- Hero banner (home) ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background-color: var(--parchment);
}
.hero__grid {
  display: grid;
  align-items: center;
  gap: 3rem;
  padding-block: 4rem;
}
@media (min-width: 768px) {
  .hero__grid { padding-block: 6rem; }
}
@media (min-width: 1024px) {
  .hero__grid { grid-template-columns: 1.05fr 0.95fr; }
}
.hero h1 {
  margin-top: 1rem;
  font-size: 2.6rem;
  line-height: 1.05;
}
@media (min-width: 640px) { .hero h1 { font-size: 3.75rem; } }
@media (min-width: 1024px) { .hero h1 { font-size: 4.2rem; } }
.hero__titles {
  margin-top: 1rem;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.28em;
  color: var(--muted-foreground);
}
.hero__tagline {
  margin-top: 1.75rem;
  max-width: 36rem;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--muted-foreground);
}
@media (min-width: 640px) { .hero__tagline { font-size: 1.125rem; } }
.hero__actions {
  margin-top: 2.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
@media (min-width: 640px) { .hero__actions { flex-direction: row; } }

/* Framed image (hero + about) */
.framed { position: relative; }
.framed__border {
  position: absolute;
  inset: -0.75rem;
  border: 1px solid color-mix(in oklab, var(--brass) 40%, transparent);
  display: none;
}
@media (min-width: 1024px) { .framed__border { display: block; } }
.framed img {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  box-shadow: var(--shadow-lift);
}

/* ---------- Page hero (interior pages) ---------- */
.page-hero {
  border-bottom: 1px solid var(--border);
  background-color: var(--parchment);
}
.page-hero__inner {
  padding-block: 4rem;
  max-width: 48rem;
}
@media (min-width: 768px) { .page-hero__inner { padding-block: 5rem; } }
.page-hero h1 {
  margin-top: 1rem;
  font-size: 2.25rem;
  line-height: 1.08;
}
@media (min-width: 640px) { .page-hero h1 { font-size: 3rem; } }
@media (min-width: 768px) { .page-hero h1 { font-size: 3.4rem; } }
.page-hero p {
  margin-top: 1.5rem;
  max-width: 42rem;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--muted-foreground);
}
@media (min-width: 640px) { .page-hero p { font-size: 1.125rem; } }

/* ---------- On-page navigation (About) ---------- */
.page-nav {
  border-bottom: 1px solid var(--border);
  background-color: var(--background);
}
.page-nav__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 2rem;
  padding-block: 1.1rem;
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.page-nav a {
  position: relative;
  color: var(--muted-foreground);
  transition: color 200ms;
}
.page-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.35rem;
  height: 1px;
  background-color: var(--brass);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 200ms;
}
.page-nav a:hover { color: var(--brass); }
.page-nav a:hover::after { transform: scaleX(1); }
/* Clear the sticky header when jumping to a section */
main section[id] { scroll-margin-top: 5.5rem; }

/* ---------- Section heading ---------- */
.section-heading { max-width: 42rem; }
.section-heading.center { margin-inline: auto; text-align: center; }
.section-heading h2 {
  margin-top: 0.75rem;
  font-size: 1.875rem;
  line-height: 1.15;
}
@media (min-width: 640px) { .section-heading h2 { font-size: 2.25rem; } }
@media (min-width: 768px) { .section-heading h2 { font-size: 2.6rem; } }
.section-heading p {
  margin-top: 1.25rem;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--muted-foreground);
}
.section-heading.on-ink { color: var(--ink-foreground); }
.section-heading.on-ink p { color: color-mix(in oklab, var(--ink-foreground) 70%, transparent); }

/* Header row: heading + "view all" link */
.section-head-row {
  display: grid;
  gap: 1.5rem;
}
@media (min-width: 768px) {
  .section-head-row {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }
  .section-head-row .btn { justify-self: end; }
}

/* ---------- Achievements strip ---------- */
.stats {
  border-block: 1px solid var(--border);
  background-color: var(--card);
}
.stats__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  padding-block: 2.5rem;
}
@media (min-width: 1024px) {
  .stats__grid { grid-template-columns: repeat(4, 1fr); }
}
.stat { text-align: center; }
.stat__value {
  font-family: var(--font-display);
  font-size: 2.25rem;
  color: var(--brass);
}
.stat__label {
  margin-top: 0.25rem;
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--muted-foreground);
}
/* Bordered stat cards (about page) */
.stat--card {
  border: 1px solid var(--border);
  background-color: var(--card);
  padding-block: 2rem;
  box-shadow: var(--shadow-soft);
}

/* ---------- Generic card grids ---------- */
.grid-cards {
  display: grid;
  gap: 2rem;
}
@media (min-width: 640px) { .grid-cards { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .grid-cards { grid-template-columns: repeat(3, 1fr); } }
.mt-cards { margin-top: 3rem; }

.card-lift {
  transition: transform 400ms var(--ease), box-shadow 400ms var(--ease);
}
.card-lift:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lift);
}

/* Book card */
.book-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--border);
  background-color: var(--card);
  box-shadow: var(--shadow-soft);
}
.book-card__media { overflow: hidden; background-color: var(--parchment); }
.book-card__media img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  transition: transform 700ms var(--ease);
}
.book-card:hover .book-card__media img { transform: scale(1.04); }
.book-card__body {
  display: flex;
  flex: 1 1 auto;
  flex-direction: column;
  padding: 1.5rem;
}
.tag-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--muted-foreground);
}
.tag {
  border: 1px solid var(--border);
  padding: 0.125rem 0.5rem;
}
.tag--brass {
  border-color: color-mix(in oklab, var(--brass) 50%, transparent);
  color: var(--brass);
}
.book-card__title { margin-top: 1rem; font-size: 1.35rem; line-height: 1.25; }
.book-card__subtitle {
  margin-top: 0.4rem;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1rem;
  line-height: 1.4;
  color: var(--brass);
}
.book-card__desc {
  margin-top: 0.75rem;
  flex: 1 1 auto;
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--muted-foreground);
  display: -webkit-box;
  -webkit-line-clamp: 6;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.book-card .btn { margin-top: 1.5rem; }

/* Bibliography (About page) */
.biblio-groups { display: grid; gap: 3.5rem; }
.biblio-group__title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  line-height: 1.25;
}
.biblio {
  margin-top: 1.5rem;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--border);
}
@media (min-width: 900px) {
  .biblio { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 3rem; }
}
.biblio__item {
  display: grid;
  grid-template-columns: 2.75rem minmax(0, 1fr);
  gap: 1rem;
  align-items: baseline;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--border);
}
.biblio__num { font-family: var(--font-display); font-size: 1.25rem; color: var(--brass); }
.biblio__title { font-family: var(--font-display); font-size: 1.15rem; line-height: 1.35; }
.biblio__meta {
  margin-top: 0.35rem;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--muted-foreground);
}
.biblio__desc {
  margin-top: 0.45rem;
  font-size: 0.95rem;
  line-height: 1.6;
}
.biblio__note {
  margin-top: 0.4rem;
  font-size: 0.85rem;
  font-style: italic;
  line-height: 1.6;
  color: var(--muted-foreground);
}

/* Award list (About page) */
.award-groups { display: grid; gap: 3.5rem; }
.award-group__title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  line-height: 1.25;
}
.award-group__note {
  margin-top: 0.75rem;
  max-width: 62ch;
  font-style: italic;
  color: var(--brass);
}
.award-group__footnote {
  margin-top: 1.25rem;
  max-width: 62ch;
  font-size: 0.95rem;
  color: var(--muted-foreground);
}
.award-list { margin-top: 1.75rem; border-top: 1px solid var(--border); }
.award-list__item {
  display: grid;
  gap: 0.25rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border);
}
@media (min-width: 640px) {
  .award-list__item { grid-template-columns: 7.5rem minmax(0, 1fr); gap: 1.5rem; align-items: baseline; }
}
.award-list__year { font-family: var(--font-display); font-size: 1.4rem; color: var(--brass); }
.award-list__name { font-family: var(--font-display); font-size: 1.25rem; line-height: 1.3; }
.award-list__org {
  margin-top: 0.25rem;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--muted-foreground);
}
.award-list__desc {
  margin-top: 0.6rem;
  max-width: 62ch;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--muted-foreground);
}

/* Testimonials (Home) */
.testimonials {
  display: grid;
  gap: 2rem;
}
@media (min-width: 768px) { .testimonials { grid-template-columns: repeat(3, 1fr); } }
.testimonial {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  background-color: var(--card);
  padding: 2rem;
  box-shadow: var(--shadow-soft);
}
.testimonial svg {
  width: 1.75rem;
  height: 1.75rem;
  flex-shrink: 0;
  color: var(--brass);
}
.testimonial blockquote {
  margin: 1.25rem 0 0;
  flex: 1 1 auto;
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-style: italic;
  line-height: 1.6;
}
.testimonial figcaption {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.testimonial__name { font-family: var(--font-display); font-size: 1.125rem; }
.testimonial__role {
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--muted-foreground);
}

/* ---------- Home: about split ---------- */
.split {
  display: grid;
  align-items: center;
  gap: 3rem;
  padding-block: 5rem;
}
@media (min-width: 768px) { .split { padding-block: 7rem; } }
@media (min-width: 1024px) { .split { grid-template-columns: repeat(2, 1fr); } }
.prose { margin-top: 1.5rem; display: flex; flex-direction: column; gap: 1rem; }
.prose p { font-size: 0.95rem; line-height: 1.7; color: var(--muted-foreground); }

.center-cta { margin-top: 2.5rem; text-align: center; }

/* ---------- CTA section ---------- */
.cta { background-image: var(--gradient-ink); }
.cta__inner {
  max-width: 48rem;
  padding-block: 5rem;
  text-align: center;
}
@media (min-width: 768px) { .cta__inner { padding-block: 6rem; } }
.cta h2 {
  margin-top: 1rem;
  font-size: 1.875rem;
  line-height: 1.2;
  color: var(--ink-foreground);
}
@media (min-width: 640px) { .cta h2 { font-size: 3rem; } }
.cta p {
  margin-inline: auto;
  margin-top: 1.25rem;
  max-width: 36rem;
  font-size: 0.875rem;
  line-height: 1.6;
  color: color-mix(in oklab, var(--ink-foreground) 70%, transparent);
}
@media (min-width: 640px) { .cta p { font-size: 1rem; } }
.cta__actions {
  margin-top: 2.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}
@media (min-width: 640px) { .cta__actions { flex-direction: row; } }

/* ---------- About: mission/vision ---------- */

.two-col {
  display: grid;
  gap: 2rem;
}
@media (min-width: 768px) { .two-col { grid-template-columns: repeat(2, 1fr); } }
.panel {
  border: 1px solid var(--border);
  background-color: var(--card);
  padding: 2rem;
  box-shadow: var(--shadow-soft);
}
@media (min-width: 640px) { .panel { padding: 2.5rem; } }
.panel h3 { margin-top: 0.75rem; font-size: 1.5rem; }
.panel p { margin-top: 1rem; font-size: 0.875rem; line-height: 1.6; color: var(--muted-foreground); }

.about-grid {
  display: grid;
  gap: 3rem;
}
@media (min-width: 1024px) { .about-grid { grid-template-columns: 0.85fr 1.15fr; } }
.about-grid .framed { align-self: start; }

/* Show the author-about portrait in full (its native ~972x1377 ratio) so the
   frame doesn't crop the top and bottom the way a forced 4:5 box would. */
.about-grid .framed img,
.split .framed img {
  aspect-ratio: 972 / 1377;
}

.stats-4 {
  margin-top: 2.5rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}
@media (min-width: 1024px) { .stats-4 { grid-template-columns: repeat(4, 1fr); } }

/* ---------- Filters (books) ---------- */
.filter-panel {
  border: 1px solid var(--border);
  background-color: var(--card);
  padding: 1.25rem;
  box-shadow: var(--shadow-soft);
}
@media (min-width: 640px) { .filter-panel { padding: 1.75rem; } }
.search {
  position: relative;
}
.search svg {
  pointer-events: none;
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  width: 1rem;
  height: 1rem;
  color: var(--muted-foreground);
}
.search input {
  height: 2.75rem;
  width: 100%;
  border: 1px solid var(--input);
  background-color: var(--background);
  padding-left: 2.5rem;
  padding-right: 0.75rem;
  font-family: inherit;
  font-size: 0.875rem;
  color: var(--foreground);
  border-radius: var(--radius);
}
.search input:focus {
  outline: none;
  border-color: var(--ring);
  box-shadow: 0 0 0 1px var(--ring);
}
.filter-groups { margin-top: 1.5rem; display: flex; flex-direction: column; gap: 1rem; }
.filter-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
}
.filter-group__label { flex-shrink: 0; }
.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; min-width: 0; }
.chip {
  cursor: pointer;
  border: 1px solid var(--border);
  background-color: var(--card);
  color: var(--muted-foreground);
  padding: 0.375rem 0.875rem;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  transition: border-color 200ms, background-color 200ms, color 200ms;
}
.chip:hover { border-color: var(--brass); color: var(--foreground); }
.chip.is-active {
  border-color: var(--brass);
  background-color: var(--brass);
  color: var(--brass-foreground);
}
.result-count {
  margin-top: 2rem;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--muted-foreground);
}
.empty-state {
  margin-top: 1.5rem;
  border: 1px dashed var(--border);
  background-color: var(--card);
  padding: 4rem;
  text-align: center;
}
.empty-state h3 { font-size: 1.5rem; }
.empty-state p { margin-top: 0.5rem; font-size: 0.875rem; color: var(--muted-foreground); }
.hidden { display: none !important; }

/* ---------- Contact ---------- */
.contact-cta__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  padding-block: 3.5rem;
  text-align: center;
}
.contact-cta h2 {
  font-family: var(--font-display);
  font-size: 1.875rem;
  color: var(--ink-foreground);
}
@media (min-width: 640px) { .contact-cta h2 { font-size: 2.25rem; } }

.contact-grid { display: grid; gap: 3rem; }
@media (min-width: 1024px) { .contact-grid { grid-template-columns: 0.9fr 1.1fr; } }
.contact-details { margin-top: 2rem; display: flex; flex-direction: column; gap: 1.5rem; }
.contact-details li { display: flex; gap: 1rem; }
.contact-details__icon {
  display: grid;
  place-items: center;
  height: 2.5rem;
  width: 2.5rem;
  flex-shrink: 0;
  border: 1px solid color-mix(in oklab, var(--brass) 50%, transparent);
  color: var(--brass);
}
.contact-details__icon svg { width: 1rem; height: 1rem; }
.contact-details__label {
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--muted-foreground);
}
.contact-details__value { font-size: 0.95rem; line-height: 1.6; word-break: break-word; }
a.contact-details__value:hover { color: var(--brass); }

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  border: 1px solid var(--border);
  background-color: var(--card);
  padding: 1.5rem;
  box-shadow: var(--shadow-soft);
}
@media (min-width: 640px) { .contact-form { padding: 2rem; } }
.form-row { display: grid; gap: 1.25rem; }
@media (min-width: 640px) { .form-row { grid-template-columns: repeat(2, 1fr); } }
.field { display: flex; flex-direction: column; gap: 0.5rem; }
.field label { font-size: 0.875rem; font-weight: 500; }
.field input,
.field textarea {
  width: 100%;
  border: 1px solid var(--input);
  background-color: var(--background);
  padding: 0.5rem 0.75rem;
  font-family: inherit;
  font-size: 0.875rem;
  color: var(--foreground);
  border-radius: var(--radius);
}
.field input { height: 2.25rem; }
.field textarea { resize: vertical; min-height: 9rem; }
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--ring);
  box-shadow: 0 0 0 1px var(--ring);
}

/* ---------- Toast ---------- */
.toast-region {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-width: 22rem;
}
.toast {
  border: 1px solid var(--border);
  background-color: var(--card);
  box-shadow: var(--shadow-lift);
  padding: 0.875rem 1rem;
  border-radius: var(--radius);
  animation: rise 300ms var(--ease) both;
}
.toast__title { font-size: 0.875rem; font-weight: 600; }
.toast__desc { margin-top: 0.25rem; font-size: 0.8rem; color: var(--muted-foreground); }

/* ---------- 404 ---------- */
.notfound {
  display: grid;
  place-items: center;
  min-height: 60vh;
  padding: 1rem;
  text-align: center;
}
.notfound h1 { font-size: 4.5rem; }
.notfound h2 { margin-top: 1rem; font-size: 1.25rem; }
.notfound p { margin-top: 0.5rem; font-size: 0.875rem; color: var(--muted-foreground); }
.notfound .btn { margin-top: 1.5rem; }

/* ---------- Utilities ---------- */
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }
.mt-10 { margin-top: 2.5rem; }
.mt-12 { margin-top: 3rem; }
.mt-16 { margin-top: 4rem; }