/* ==========================================================================
   Rohan Book Company — shared stylesheet
   Palette: warm cream canvas, deep forest ink, orange + green base, gold accents
   ========================================================================== */

:root {
  --cream: #fffaf1;
  --cream-deep: #fbf0da;
  --ink: #1e3229;
  --ink-soft: #52665b;
  --orange: #f4791f;
  --orange-deep: #dd5f07;
  --green: #2e9e5b;
  --green-deep: #1c7040;
  --gold: #c9962e;
  --sun: #ffc94d;
  --peach: #ffe3cc;
  --mint: #dff3e7;
  --butter: #fff3d1;
  --white: #ffffff;

  --font-display: "Fraunces", "Georgia", serif;
  --font-body: "Nunito", "Segoe UI", -apple-system, sans-serif;
  --font-quirk: "Caveat", "Comic Sans MS", cursive;
  --font-script: "Pinyon Script", "Snell Roundhand", cursive;

  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --shadow-soft: 0 14px 40px rgba(30, 50, 41, 0.10);
  --shadow-lift: 0 22px 50px rgba(30, 50, 41, 0.16);
  --container: 1160px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.65;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; }

.container {
  width: min(var(--container), 92%);
  margin-inline: auto;
}

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

h1, h2, h3 { font-family: var(--font-display); font-weight: 600; line-height: 1.15; }

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-quirk);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--orange-deep);
}
.section-kicker::before {
  content: "";
  width: 30px; height: 3px;
  border-radius: 3px;
  background: var(--green);
}

.section-title {
  font-size: clamp(1.8rem, 3.6vw, 2.7rem);
  margin: 10px 0 12px;
}
.section-sub {
  color: var(--ink-soft);
  font-size: 1.06rem;
  max-width: 640px;
}
.section-head { margin-bottom: 48px; }
.section-head.center { text-align: center; }
.section-head.center .section-sub { margin-inline: auto; }
.section-head.center .section-kicker::before { display: none; }

.accent { color: var(--orange-deep); }
.accent-green { color: var(--green); }

section { padding: 88px 0; }

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 30px;
  border-radius: 999px;
  border: 2px solid transparent;
  font-weight: 800;
  font-size: 1rem;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, color 0.25s ease;
}
.btn svg { transition: transform 0.25s ease; }
.btn:hover svg { transform: translateX(4px); }

.btn-primary {
  background: var(--orange);
  color: #fff;
  box-shadow: 0 10px 24px rgba(221, 95, 7, 0.35);
}
.btn-primary:hover {
  background: var(--orange-deep);
  transform: translateY(-3px);
  box-shadow: 0 16px 30px rgba(221, 95, 7, 0.4);
}

.btn-ghost {
  border-color: rgba(30, 50, 41, 0.18);
  color: var(--ink);
  background: transparent;
}
.btn-ghost:hover {
  border-color: var(--green);
  color: var(--green-deep);
  transform: translateY(-3px);
}

.btn-light {
  background: #fff;
  color: var(--green-deep);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.18);
}
.btn-light:hover { transform: translateY(-3px); }

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 250, 241, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(30, 50, 41, 0.06);
  transition: box-shadow 0.3s ease, background 0.3s ease;
}
.site-header.scrolled {
  background: rgba(255, 250, 241, 0.96);
  box-shadow: 0 8px 30px rgba(30, 50, 41, 0.08);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 0;
}

.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  position: relative;
  width: 60px; height: 60px;
  border-radius: 16px;
  background: #fff;
  border: 1px solid rgba(201, 150, 46, 0.35);
  display: grid;
  place-items: center;
  box-shadow: 0 8px 18px rgba(201, 150, 46, 0.22);
  flex-shrink: 0;
  overflow: hidden;
}
/* Real logo file overlays the fallback "R" automatically when it exists */
.brand-mark img {
  position: absolute;
  inset: 4px;
  width: calc(100% - 8px);
  height: calc(100% - 8px);
  object-fit: contain;
  background: #fff;
  z-index: 1;
}
.brand-r {
  font-family: var(--font-script);
  font-size: 2.4rem;
  line-height: 1;
  color: var(--gold);
  transform: translateY(-4px);
}
.brand-name {
  font-family: var(--font-display);
  font-size: 1.18rem;
  font-weight: 700;
  line-height: 1.1;
}
.brand-tag {
  font-family: var(--font-quirk);
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--green-deep);
}

.main-nav ul { display: flex; gap: 6px; }
.main-nav a {
  position: relative;
  display: block;
  padding: 10px 16px;
  font-weight: 700;
  font-size: 0.98rem;
  color: var(--ink-soft);
  border-radius: 999px;
  transition: color 0.2s ease, background 0.2s ease;
}
.main-nav a:hover { color: var(--green-deep); background: var(--mint); }
.main-nav a.active { color: var(--green-deep); background: var(--mint); }

.nav-cta { flex-shrink: 0; }
.nav-cta .btn { padding: 12px 22px; font-size: 0.92rem; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  width: 44px; height: 44px;
  border-radius: 12px;
  position: relative;
}
.nav-toggle span {
  position: absolute;
  left: 10px; right: 10px;
  height: 3px;
  border-radius: 3px;
  background: var(--ink);
  transition: transform 0.3s ease, opacity 0.3s ease, top 0.3s ease;
}
.nav-toggle span:nth-child(1) { top: 14px; }
.nav-toggle span:nth-child(2) { top: 21px; }
.nav-toggle span:nth-child(3) { top: 28px; }
.nav-toggle.open span:nth-child(1) { top: 21px; transform: rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { top: 21px; transform: rotate(-45deg); }

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

.hero {
  position: relative;
  padding: 70px 0 40px;
  overflow: hidden;
}

.hero-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.55;
  pointer-events: none;
  animation: blob-drift 16s ease-in-out infinite alternate;
}
.blob-1 { width: 480px; height: 480px; background: var(--mint); top: -140px; right: -120px; }
.blob-2 { width: 380px; height: 380px; background: var(--peach); bottom: -120px; left: -140px; animation-delay: -5s; }
.blob-3 { width: 300px; height: 300px; background: var(--butter); top: 30%; left: 38%; animation-delay: -9s; }

@keyframes blob-drift {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(40px, -30px) scale(1.12); }
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 48px;
}

.hero-script {
  font-family: var(--font-quirk);
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--orange-deep);
  display: inline-block;
  transform: rotate(-2deg);
}

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.9rem);
  margin: 10px 0 18px;
  letter-spacing: -0.01em;
}
.hero h1 .underline {
  position: relative;
  white-space: nowrap;
}
.hero h1 .underline::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 6px;
  height: 0.32em;
  background: var(--sun);
  border-radius: 6px;
  z-index: -1;
  transform: scaleX(0);
  transform-origin: left;
  animation: draw-underline 0.9s 0.7s ease forwards;
}
@keyframes draw-underline { to { transform: scaleX(1); } }

.hero-sub {
  font-size: 1.14rem;
  color: var(--ink-soft);
  max-width: 520px;
  margin-bottom: 32px;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 36px; }

.hero-mini-points { display: flex; flex-wrap: wrap; gap: 18px; }
.hero-mini-points li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--ink-soft);
}
.hero-mini-points .tick {
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--mint);
  color: var(--green-deep);
  display: grid;
  place-items: center;
  font-size: 0.7rem;
  font-weight: 900;
}

/* Hero book stack (pure CSS book covers) */

.hero-visual { position: relative; height: 560px; }

.book {
  position: absolute;
  width: 168px;
  height: 224px;
  border-radius: 10px 16px 16px 10px;
  padding: 18px 14px;
  color: #fff;
  box-shadow: var(--shadow-lift);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}
.book::before {
  content: "";
  position: absolute;
  left: 10px; top: 0; bottom: 0;
  width: 3px;
  background: rgba(255, 255, 255, 0.35);
  border-radius: 3px;
}
.book .book-subject {
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  opacity: 0.85;
  margin-left: 10px;
}
.book .book-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  line-height: 1.2;
  margin-left: 10px;
}
.book .book-classes {
  margin-left: 10px;
  font-size: 0.72rem;
  font-weight: 800;
  background: rgba(255, 255, 255, 0.22);
  align-self: flex-start;
  padding: 4px 10px;
  border-radius: 999px;
}

.hero-visual .book { animation: float 6s ease-in-out infinite; }
.hero-visual .book:hover { transform: translateY(-10px) rotate(0deg) scale(1.04); z-index: 5; }

.book-a { background: linear-gradient(150deg, #1c7040, #3cb371); top: 24px; left: 4%; transform: rotate(-16deg); animation-delay: 0s; }
.book-b { background: linear-gradient(150deg, #dd5f07, #ffa04d); top: 64px; left: 54%; transform: rotate(4deg); animation-delay: -2s; z-index: 2; }
.book-c { background: linear-gradient(150deg, #b3820f, #e2b13c); top: 250px; left: 12%; transform: rotate(6deg); animation-delay: -4s; z-index: 3; }
.book-d { background: linear-gradient(150deg, #2e7dd8, #6fb3f2); top: 290px; left: 58%; transform: rotate(-5deg); animation-delay: -1s; }

@keyframes float {
  0%, 100% { margin-top: 0; }
  50% { margin-top: -16px; }
}

/* Letter rain — the tilted book "waters" the page with letters,
   like a watering can sprinkling the alphabet. */
.letter-rain {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}
.letter-rain span {
  position: absolute;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 600;
  opacity: 0;
  animation: letter-fall linear infinite;
}
@keyframes letter-fall {
  0%   { transform: translate(0, 0) rotate(0deg) scale(0.7); opacity: 0; }
  12%  { opacity: 0.85; }
  70%  { opacity: 0.55; }
  100% { transform: translate(var(--dx, -24px), 310px) rotate(var(--rot, -80deg)) scale(1.05); opacity: 0; }
}

.hero-sticker {
  position: absolute;
  background: #fff;
  border-radius: 16px;
  box-shadow: var(--shadow-soft);
  padding: 10px 18px;
  font-family: var(--font-quirk);
  font-weight: 700;
  font-size: 1.15rem;
  display: flex;
  align-items: center;
  gap: 10px;
  animation: float 7s ease-in-out infinite;
}
.sticker-1 { top: 4px; right: 4%; animation-delay: -3s; transform: rotate(2deg); }
.sticker-2 { bottom: 10px; right: 12%; animation-delay: -5.5s; transform: rotate(-3deg); }
.hero-sticker .emoji { font-size: 1.3rem; }

/* Marquee */

.marquee {
  padding: 18px 0;
  background: var(--ink);
  color: var(--cream);
  overflow: hidden;
  white-space: nowrap;
}
.marquee-track {
  display: inline-flex;
  gap: 48px;
  padding-right: 48px;
  animation: marquee 30s linear infinite;
}
.marquee-track span {
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 48px;
}
.marquee-track span::after { content: "✦"; color: var(--gold); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Stats ---------- */

.stats { padding: 64px 0; }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.stat-card {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 30px 26px;
  text-align: center;
  box-shadow: var(--shadow-soft);
  border-bottom: 5px solid var(--sun);
  transition: transform 0.3s ease;
}
.stat-card:nth-child(2) { border-color: var(--orange); }
.stat-card:nth-child(3) { border-color: var(--green); }
.stat-card:nth-child(4) { border-color: var(--gold); }
.stat-card:hover { transform: translateY(-6px); }
.stat-number {
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--green-deep);
}
.stat-label { font-weight: 700; color: var(--ink-soft); }

/* ---------- Pillars (NEP / NCF etc.) ---------- */

.pillars { background: linear-gradient(180deg, var(--cream) 0%, var(--cream-deep) 100%); }

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.pillar-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 34px 28px;
  box-shadow: var(--shadow-soft);
  position: relative;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.pillar-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lift); }
.pillar-card::after {
  content: "";
  position: absolute;
  top: -40px; right: -40px;
  width: 110px; height: 110px;
  border-radius: 50%;
  background: var(--card-tint, var(--mint));
  opacity: 0.6;
  transition: transform 0.4s ease;
}
.pillar-card:hover::after { transform: scale(1.5); }
.pillar-icon {
  width: 58px; height: 58px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  font-size: 1.6rem;
  background: var(--card-tint, var(--mint));
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}
.pillar-card h3 { font-size: 1.28rem; margin-bottom: 10px; position: relative; z-index: 1; }
.pillar-card p { color: var(--ink-soft); font-size: 0.98rem; position: relative; z-index: 1; }

/* ---------- Features (beyond the book) ---------- */

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.feature-card {
  border-radius: var(--radius-md);
  padding: 30px 24px;
  background: #fff;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(30, 50, 41, 0.05);
  transition: transform 0.3s ease;
}
.feature-card:hover { transform: translateY(-6px) rotate(-1deg); }
.feature-emoji { font-size: 2rem; margin-bottom: 14px; }
.feature-card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.feature-card p { color: var(--ink-soft); font-size: 0.94rem; }

/* ---------- Series showcase ---------- */

.series { background: var(--ink); color: var(--cream); }
.series .section-sub { color: rgba(255, 250, 241, 0.7); }
.series .section-kicker { color: var(--sun); }

.series-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
}
.series-card { text-align: center; }
.series-card .book {
  position: relative;
  width: 100%;
  max-width: 175px;
  height: 230px;
  margin: 0 auto 16px;
  animation: none;
}
.series-card:hover .book { transform: translateY(-10px) rotate(-2deg); }
.series-card h3 { font-size: 1.12rem; color: var(--cream); }
.series-card .series-meta {
  font-family: var(--font-quirk);
  font-size: 1.1rem;
  color: rgba(255, 250, 241, 0.65);
  font-weight: 700;
}

.series-cta { text-align: center; margin-top: 48px; }

/* ---------- Process ---------- */

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  counter-reset: step;
}
.process-step {
  position: relative;
  background: #fff;
  border-radius: var(--radius-md);
  padding: 56px 24px 28px;
  box-shadow: var(--shadow-soft);
  transition: transform 0.3s ease;
}
.process-step:hover { transform: translateY(-6px); }
.process-step::before {
  counter-increment: step;
  content: "0" counter(step);
  position: absolute;
  top: -20px; left: 24px;
  width: 52px; height: 52px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--orange), var(--sun));
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  display: grid;
  place-items: center;
  box-shadow: 0 10px 20px rgba(221, 95, 7, 0.3);
}
.process-step:nth-child(even)::before {
  background: linear-gradient(135deg, var(--green), #6fce97);
  box-shadow: 0 10px 20px rgba(28, 112, 64, 0.3);
}
.process-step h3 { font-size: 1.12rem; margin-bottom: 8px; }
.process-step p { color: var(--ink-soft); font-size: 0.94rem; }

/* ---------- CTA band ---------- */

.cta-band { padding: 0 0 88px; }
.cta-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: linear-gradient(120deg, var(--green-deep), var(--green) 60%, #4db877);
  color: #fff;
  padding: 64px 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.cta-card::before, .cta-card::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
}
.cta-card::before { width: 260px; height: 260px; top: -110px; right: -60px; }
.cta-card::after { width: 180px; height: 180px; bottom: -80px; left: 18%; }
.cta-card h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); max-width: 560px; position: relative; z-index: 1; }
.cta-card p { opacity: 0.9; margin-top: 10px; max-width: 520px; position: relative; z-index: 1; }
.cta-card .btn { position: relative; z-index: 1; }

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

.site-footer {
  background: var(--ink);
  color: rgba(255, 250, 241, 0.75);
  padding: 70px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
}
.site-footer h4 {
  color: var(--cream);
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin-bottom: 18px;
}
.footer-about p { font-size: 0.95rem; margin-top: 14px; max-width: 300px; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { transition: color 0.2s ease, padding-left 0.2s ease; font-weight: 600; }
.footer-links a:hover { color: var(--sun); padding-left: 6px; }
.footer-contact li {
  display: flex;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 0.95rem;
}
.footer-contact .ico { color: var(--sun); flex-shrink: 0; }
.footer-social { display: flex; gap: 12px; margin-top: 18px; }
.footer-social a {
  width: 40px; height: 40px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
  display: grid;
  place-items: center;
  transition: background 0.25s ease, transform 0.25s ease;
}
.footer-social a:hover { background: var(--orange); transform: translateY(-4px); }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 22px 0;
  font-size: 0.85rem;
}

/* ---------- Scroll reveal variants ---------- */

.reveal {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal-left { transform: translateX(-64px); }
.reveal-right { transform: translateX(64px); }
.reveal-zoom { transform: scale(0.82); }
.reveal-tilt { transform: rotate(-4deg) translateY(40px); }
.reveal-drop { transform: translateY(-44px); }
/* Books "flying in" from the sides — bigger travel, a playful tilt and a
   gentle spring landing */
.reveal-fly-left,
.reveal-fly-right {
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.22, 1.2, 0.36, 1);
}
.reveal-fly-left  { transform: translateX(-150px) rotate(-10deg); }
.reveal-fly-right { transform: translateX(150px)  rotate(10deg); }
.reveal.visible { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- Catalogue page ---------- */

.page-hero {
  position: relative;
  padding: 64px 0 48px;
  overflow: hidden;
}
.page-hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 40px;
}
.page-hero h1 { font-size: clamp(2.2rem, 4.5vw, 3.4rem); margin: 10px 0 16px; }
.page-hero .hero-sub { margin-bottom: 0; }

/* Animated bookshelf */
.shelf-scene { display: flex; flex-direction: column; align-items: center; gap: 0; }
.shelf {
  display: flex;
  align-items: flex-end;
  gap: 7px;
  padding: 0 26px;
}
.spine {
  width: 26px;
  border-radius: 6px 6px 2px 2px;
  animation: spine-bob 3.4s ease-in-out infinite;
  transform-origin: bottom center;
  transition: transform 0.25s ease;
  cursor: pointer;
}
.spine:hover { transform: translateY(-12px) rotate(-3deg); }
.spine.lean {
  transform: rotate(9deg);
  transform-origin: bottom right;
  animation-name: spine-lean;
}
@keyframes spine-bob {
  0%, 100% { transform: translateY(0) rotate(0); }
  50% { transform: translateY(-7px) rotate(0); }
}
@keyframes spine-lean {
  0%, 100% { transform: rotate(9deg); }
  50% { transform: rotate(5deg); }
}
.shelf-board {
  width: 100%;
  height: 14px;
  border-radius: 8px;
  background: linear-gradient(180deg, #7a5230, #5d3d20);
  box-shadow: 0 14px 26px rgba(30, 50, 41, 0.18);
}
.shelf-caption {
  margin-top: 18px;
  font-family: var(--font-quirk);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--ink-soft);
  transform: rotate(-2deg);
}

/* Filter bar */
.filter-bar {
  position: sticky;
  top: 80px;
  z-index: 60;
  background: rgba(255, 250, 241, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-block: 1px solid rgba(30, 50, 41, 0.07);
  padding: 16px 0;
}
.filter-inner { display: flex; flex-direction: column; gap: 14px; }
.filter-row {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}
.search-wrap { position: relative; flex: 1 1 260px; max-width: 360px; }
.search-wrap input {
  width: 100%;
  padding: 12px 18px 12px 44px;
  border-radius: 999px;
  border: 2px solid rgba(30, 50, 41, 0.12);
  background: #fff;
  font-family: var(--font-body);
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--ink);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.search-wrap input:focus { border-color: var(--green); box-shadow: 0 0 0 4px rgba(46, 158, 91, 0.15); }
.search-wrap .search-ico { position: absolute; left: 16px; top: 50%; transform: translateY(-50%); color: var(--ink-soft); }
.result-count {
  font-family: var(--font-quirk);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--green-deep);
  white-space: nowrap;
}
.chips {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: none;
}
.chips::-webkit-scrollbar { display: none; }
.chip {
  flex-shrink: 0;
  padding: 9px 18px;
  border-radius: 999px;
  border: 2px solid rgba(30, 50, 41, 0.12);
  background: #fff;
  font-weight: 800;
  font-size: 0.9rem;
  color: var(--ink-soft);
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.chip:hover { transform: translateY(-2px); border-color: var(--orange); color: var(--orange-deep); }
.chip.active {
  background: var(--orange);
  border-color: var(--orange);
  color: #fff;
  box-shadow: 0 8px 18px rgba(221, 95, 7, 0.3);
}

/* Catalogue grid */
.catalogue-section { padding: 56px 0 88px; }

/* ----- Subject tiles (catalogue landing) ----- */
.subjects-view[hidden], .books-view[hidden] { display: none; }
.subject-tiles {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.subject-tile {
  position: relative;
  overflow: hidden;
  border: none;
  text-align: left;
  cursor: pointer;
  min-height: 158px;
  padding: 24px 22px;
  border-radius: var(--radius-lg);
  color: #fff;
  background: linear-gradient(150deg, var(--t1), var(--t2));
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  gap: 4px;
  opacity: 0;
  transform: translateY(24px) scale(0.96);
  transition: opacity 0.5s ease, transform 0.45s cubic-bezier(0.22, 1.1, 0.36, 1);
  transition-delay: var(--d, 0s);
}
.subject-tile.in { opacity: 1; transform: none; }
.subject-tile:hover { transform: translateY(-8px) rotate(-1deg); box-shadow: var(--shadow-lift); }
.subject-tile::after {
  content: "";
  position: absolute;
  right: -34px; top: -34px;
  width: 120px; height: 120px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.14);
  transition: transform 0.45s ease;
}
.subject-tile:hover::after { transform: scale(1.7); }
.subject-tile .tile-icon { font-size: 2.2rem; position: relative; z-index: 1; }
.subject-tile .tile-name {
  font-family: var(--font-display);
  font-size: 1.32rem;
  font-weight: 700;
  line-height: 1.12;
  margin-top: auto;
  position: relative;
  z-index: 1;
}
.subject-tile .tile-count {
  font-family: var(--font-quirk);
  font-size: 1.05rem;
  font-weight: 700;
  opacity: 0.92;
  position: relative;
  z-index: 1;
}
.subject-tile .tile-go {
  position: relative;
  z-index: 1;
  margin-top: 6px;
  font-weight: 800;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}
.subject-tile:hover .tile-go { opacity: 1; transform: none; }

/* ----- Books view (after choosing a subject) ----- */
.books-head {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 34px;
}
.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: 999px;
  border: 2px solid rgba(30, 50, 41, 0.14);
  background: #fff;
  font-family: var(--font-body);
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--ink);
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}
.back-btn:hover { transform: translateX(-4px); border-color: var(--green); color: var(--green-deep); }
.books-head h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); margin: 0; }
.books-head .count-pill {
  font-family: var(--font-quirk);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--green-deep);
}

.cat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 34px 26px;
}
.cat-card { text-align: center; opacity: 0; transform: translateY(26px) scale(0.94); transition: opacity 0.45s ease, transform 0.45s ease; transition-delay: var(--d, 0s); }
.cat-card.in { opacity: 1; transform: none; }
.cat-card .book {
  position: relative;
  width: 100%;
  max-width: 172px;
  height: 226px;
  margin: 0 auto 14px;
  background: linear-gradient(150deg, var(--bg1), var(--bg2));
  animation: none;
}
.cat-card:hover .book { transform: translateY(-10px) rotate(-2.5deg); box-shadow: 0 28px 50px rgba(30, 50, 41, 0.24); }
.cat-card h3 { font-size: 1.08rem; }
.cat-card .cat-tag {
  font-family: var(--font-quirk);
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--ink-soft);
}

/* Real cover photo overlays the CSS-drawn cover when the file exists */
.cover-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: inherit;
  z-index: 2;
}

.cat-card { cursor: pointer; }
.cat-card:focus-visible { outline: 3px solid var(--green); outline-offset: 6px; border-radius: 12px; }

/* ---------- Series detail modal ---------- */

.series-modal {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: grid;
  place-items: center;
  padding: 20px;
}
.series-modal[hidden] { display: none; }
.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(30, 50, 41, 0.5);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
}
.modal-card {
  position: relative;
  background: #fff;
  border-radius: var(--radius-lg);
  width: min(780px, 100%);
  max-height: 90vh;
  overflow-y: auto;
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 34px;
  padding: 42px;
  box-shadow: var(--shadow-lift);
  animation: modal-pop 0.35s ease;
}
@keyframes modal-pop {
  from { transform: translateY(34px) scale(0.95); opacity: 0; }
}
.modal-close {
  position: absolute;
  top: 14px; right: 14px;
  width: 42px; height: 42px;
  border-radius: 50%;
  border: none;
  background: var(--cream-deep);
  color: var(--ink);
  font-size: 1.05rem;
  font-weight: 800;
  transition: background 0.2s ease, transform 0.2s ease;
}
.modal-close:hover { background: var(--peach); transform: rotate(90deg); }
.modal-book-wrap { display: grid; place-items: start center; }
.modal-book-wrap .book {
  position: relative;
  width: 100%;
  max-width: 240px;
  height: 320px;
  animation: none;
  background: linear-gradient(150deg, var(--bg1), var(--bg2));
}
.modal-book-wrap .book .book-title { font-size: 1.7rem; }
.modal-subject {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--orange-deep);
  background: var(--peach);
  padding: 5px 14px;
  border-radius: 999px;
  margin-bottom: 12px;
}
.modal-info h2 { font-size: 1.9rem; line-height: 1.15; margin-bottom: 4px; }
.modal-tagline {
  font-family: var(--font-quirk);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--green-deep);
  margin-bottom: 14px;
}
.modal-desc { color: var(--ink-soft); margin-bottom: 18px; }
.modal-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.modal-chips span {
  background: var(--mint);
  color: var(--green-deep);
  font-weight: 800;
  font-size: 0.82rem;
  padding: 6px 14px;
  border-radius: 999px;
}
.modal-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 24px;
}
.modal-meta .emoji { font-size: 1.2rem; }

@media (max-width: 640px) {
  .modal-card { grid-template-columns: 1fr; padding: 30px 22px; gap: 22px; }
  .modal-book-wrap .book { max-width: 180px; height: 240px; }
  .modal-info h2 { font-size: 1.5rem; }
}

.empty-state {
  text-align: center;
  padding: 70px 0 30px;
  display: none;
}
.empty-state.show { display: block; }
.empty-state .big { font-size: 3rem; }
.empty-state p {
  font-family: var(--font-quirk);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--ink-soft);
}

/* ---------- About page ---------- */

.about-art { width: 100%; max-width: 430px; margin-inline: auto; display: block; }
.about-art .art-plane { animation: plane-drift 8s ease-in-out infinite alternate; }
.about-art .art-sun { animation: sun-spin 40s linear infinite; transform-origin: 262px 48px; }
.about-art .art-leaf { animation: leaf-sway 5s ease-in-out infinite alternate; transform-origin: 160px 118px; }
@keyframes plane-drift {
  from { transform: translate(0, 0) rotate(0deg); }
  to   { transform: translate(30px, -22px) rotate(7deg); }
}
@keyframes sun-spin { to { transform: rotate(360deg); } }
@keyframes leaf-sway {
  from { transform: rotate(-4deg); }
  to   { transform: rotate(5deg); }
}

.story { padding-top: 40px; }
.story-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.story-copy p { color: var(--ink-soft); margin-bottom: 16px; font-size: 1.04rem; }
.story-quote {
  font-family: var(--font-quirk);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--green-deep);
  line-height: 1.35;
  padding: 18px 24px;
  border-left: 5px solid var(--sun);
  background: #fff;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  box-shadow: var(--shadow-soft);
  transform: rotate(-1deg);
  margin: 26px 0 6px;
}

.team { background: linear-gradient(180deg, var(--cream) 0%, var(--cream-deep) 100%); }
.team-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 22px;
}
.team-card {
  flex: 1 1 230px;
  max-width: 268px;
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px 22px 28px;
  text-align: center;
  box-shadow: var(--shadow-soft);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.team-card:hover { transform: translateY(-8px) rotate(-1deg); box-shadow: var(--shadow-lift); }
.avatar-ring {
  width: 116px; height: 116px;
  margin: 0 auto 6px;
  border-radius: 50%;
  background: var(--ring-tint, var(--mint));
  display: grid;
  place-items: center;
  overflow: hidden;
  transition: transform 0.3s ease;
}
.team-card:hover .avatar-ring { transform: scale(1.07) rotate(3deg); }
.avatar-ring svg { width: 100px; height: 100px; margin-top: 12px; }
.team-card h3 { font-size: 1.18rem; margin-top: 14px; }
.team-role {
  display: block;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--orange-deep);
  margin: 6px 0 8px;
}
.team-fact {
  font-family: var(--font-quirk);
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--ink-soft);
}

.creative-band {
  background: var(--ink);
  color: var(--cream);
  padding: 78px 0;
  text-align: center;
}
.creative-band .section-kicker { color: var(--sun); }
.creative-band h2 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); max-width: 720px; margin: 12px auto 14px; }
.creative-band p { color: rgba(255, 250, 241, 0.72); max-width: 560px; margin: 0 auto 34px; }
.craft-icons { display: flex; justify-content: center; gap: 26px; flex-wrap: wrap; }
.craft-icons span {
  width: 72px; height: 72px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.08);
  display: grid;
  place-items: center;
  font-size: 2rem;
  animation: float 6s ease-in-out infinite;
  transition: background 0.25s ease, transform 0.25s ease;
}
.craft-icons span:nth-child(2) { animation-delay: -1.5s; }
.craft-icons span:nth-child(3) { animation-delay: -3s; }
.craft-icons span:nth-child(4) { animation-delay: -4.5s; }
.craft-icons span:hover { background: var(--orange); transform: scale(1.12) rotate(-6deg); }

/* ---------- Events page ---------- */

.event-timeline {
  position: relative;
  max-width: 900px;
  margin-inline: auto;
}
.event-timeline::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 8px;
  bottom: 8px;
  width: 4px;
  border-radius: 4px;
  background: linear-gradient(180deg, var(--orange), var(--sun), var(--green));
  transform: translateX(-50%);
}
.tl-item { position: relative; width: 50%; padding: 0 44px 42px; }
.tl-item:nth-child(even) { margin-left: 50%; }
.tl-item:nth-child(even):not(:first-child),
.tl-item:nth-child(odd):not(:first-child) { margin-top: -130px; }
.tl-dot {
  position: absolute;
  top: 10px;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--sun);
  border: 4px solid var(--cream);
  box-shadow: 0 0 0 3px rgba(201, 150, 46, 0.35);
}
.tl-item:nth-child(odd) .tl-dot { right: -10px; }
.tl-item:nth-child(even) .tl-dot { left: -10px; }
.tl-card {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-soft);
  transition: transform 0.3s ease;
}
.tl-card:hover { transform: translateY(-5px) rotate(-0.6deg); }
.tl-date {
  display: inline-block;
  font-family: var(--font-quirk);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--orange-deep);
  background: var(--peach);
  padding: 3px 14px;
  border-radius: 999px;
  margin-bottom: 10px;
}
.tl-card .event-photo {
  width: 100%;
  border-radius: 12px;
  margin-bottom: 14px;
  display: block;
}
.tl-card h3 { font-size: 1.15rem; margin-bottom: 6px; }
.tl-card p { color: var(--ink-soft); font-size: 0.95rem; }
.tl-place {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
  font-weight: 800;
  font-size: 0.85rem;
  color: var(--green-deep);
}

@media (max-width: 700px) {
  .event-timeline::before { left: 10px; }
  .tl-item { width: 100%; padding: 0 0 40px 42px; }
  .tl-item:nth-child(even) { margin-left: 0; }
  .tl-item:nth-child(even):not(:first-child),
  .tl-item:nth-child(odd):not(:first-child) { margin-top: 0; }
  .tl-item:nth-child(odd) .tl-dot,
  .tl-item:nth-child(even) .tl-dot { left: 1px; right: auto; }
}

/* ---------- Contact page ---------- */

.contact-section { padding: 40px 0 88px; }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 40px;
  align-items: start;
}

.info-cards { display: grid; gap: 18px; }
.info-card {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  background: #fff;
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-soft);
  transition: transform 0.3s ease;
}
.info-card:hover { transform: translateY(-5px) rotate(-0.5deg); }
.info-icon {
  width: 54px; height: 54px;
  flex-shrink: 0;
  border-radius: 16px;
  display: grid;
  place-items: center;
  font-size: 1.5rem;
  background: var(--tile-tint, var(--mint));
}
.info-card h3 { font-size: 1.08rem; margin-bottom: 4px; }
.info-card p, .info-card a { color: var(--ink-soft); font-size: 0.98rem; display: block; }
.info-card a { font-weight: 700; transition: color 0.2s ease; }
.info-card a:hover { color: var(--orange-deep); }
.info-card .hours { font-family: var(--font-quirk); font-size: 1.1rem; font-weight: 700; color: var(--green-deep); }

.contact-form-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 38px 34px;
  box-shadow: var(--shadow-soft);
}
.contact-form-card h2 { font-size: 1.6rem; margin-bottom: 6px; }
.form-intro { font-family: var(--font-quirk); font-size: 1.25rem; font-weight: 700; color: var(--orange-deep); margin-bottom: 24px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 16px; }
.field label {
  display: block;
  font-weight: 800;
  font-size: 0.88rem;
  margin-bottom: 6px;
}
.field input, .field textarea {
  width: 100%;
  padding: 13px 16px;
  border-radius: 14px;
  border: 2px solid rgba(30, 50, 41, 0.12);
  background: var(--cream);
  font-family: var(--font-body);
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--ink);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  resize: vertical;
}
.field input:focus, .field textarea:focus {
  border-color: var(--green);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(46, 158, 91, 0.14);
}
.form-status {
  font-family: var(--font-quirk);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--green-deep);
  margin-top: 14px;
  min-height: 1.4em;
}

.map-wrap {
  margin-top: 56px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  position: relative;
}
.map-wrap iframe { width: 100%; height: 400px; border: 0; display: block; }
.map-tag {
  position: absolute;
  top: 18px; left: 18px;
  background: #fff;
  border-radius: 999px;
  padding: 10px 20px;
  font-family: var(--font-quirk);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ink);
  box-shadow: var(--shadow-soft);
}

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

@media (max-width: 1024px) {
  .stats-grid, .features-grid, .series-grid, .process-grid { grid-template-columns: repeat(2, 1fr); }
  .pillars-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .process-grid { row-gap: 44px; }
  .cat-grid { grid-template-columns: repeat(3, 1fr); }
  .subject-tiles { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .page-hero-grid { grid-template-columns: 1fr; }
  .shelf-scene { margin-top: 10px; }
  .cat-grid { grid-template-columns: repeat(2, 1fr); gap: 30px 18px; }
  .subject-tiles { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .subject-tile { min-height: 132px; padding: 20px 18px; }
  .subject-tile .tile-name { font-size: 1.18rem; }
  .filter-bar { top: 72px; }
  .story-grid { grid-template-columns: 1fr; gap: 36px; }
  .contact-grid { grid-template-columns: 1fr; }
  .hero-visual { height: 540px; max-width: 480px; margin-inline: auto; width: 100%; }

  .nav-toggle { display: block; }
  .nav-cta { display: none; }
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: var(--cream);
    box-shadow: 0 24px 40px rgba(30, 50, 41, 0.14);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
  }
  .main-nav.open { max-height: 420px; }
  .main-nav ul { flex-direction: column; padding: 18px 6%; gap: 4px; }
  .main-nav a { padding: 13px 16px; font-size: 1.05rem; }

  /* Side entrances get too tight on small screens — fall back to fade-up */
  .reveal-left, .reveal-right,
  .reveal-fly-left, .reveal-fly-right { transform: translateY(34px); }
}

@media (max-width: 560px) {
  section { padding: 64px 0; }
  .stats-grid, .features-grid, .series-grid, .process-grid, .pillars-grid { grid-template-columns: 1fr; }
  .process-grid { row-gap: 40px; }
  .hero { padding-top: 48px; }
  .hero-visual { height: 490px; }
  .book { width: 148px; height: 200px; }
  .book-b { left: 50%; }
  .book-c { top: 240px; }
  .book-d { left: 52%; top: 268px; }
  .sticker-2 { right: 2%; }
  .cta-card { padding: 44px 28px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .brand-name { font-size: 1.02rem; }
  .cat-card .book { max-width: 150px; height: 200px; }
  .spine { width: 20px; }
  .result-count { font-size: 1.05rem; }
  .team-card { max-width: 320px; }
  .story-quote { font-size: 1.4rem; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form-card { padding: 28px 22px; }
  .map-wrap iframe { height: 300px; }
}