:root {
  --green-900: #0b3d2e;
  --green-700: #136f52;
  --green-100: #e7f6ef;

  --yellow-500: #f6c945;
  --yellow-200: #ffefb8;

  --ink: #0f172a;
  --muted: #475569;
  --card: #ffffff;
  --border: rgba(15, 23, 42, 0.12);

  --shadow: 0 10px 30px rgba(2, 6, 23, 0.12);
  --radius: 16px;
}

/* Base */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 20% 0%, var(--yellow-200), transparent 55%),
    radial-gradient(900px 500px at 90% 20%, var(--green-100), transparent 55%),
    #fff;
}
a { color: inherit; text-decoration: none; }
p { line-height: 1.6; color: var(--muted); }
h1, h2, h3 { margin: 0 0 10px; line-height: 1.15; color: var(--ink); }
ul { margin: 10px 0 0; padding-left: 18px; color: var(--muted); }
.small { font-size: 0.95rem; }

.container { width: min(1100px, 92vw); margin: 0 auto; }

.section { padding: 52px 0;
padding-bottom: 24px; }
.section--alt {
  background: linear-gradient(180deg, rgba(246, 201, 69, 0.10), rgba(19, 111, 82, 0.06));
}
.section__heading { margin-bottom: 28px; max-width: 720px; }

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.72);
  border-bottom: 1px solid var(--border);
}
.header__inner { display: flex; align-items: center; gap: 18px; padding: 14px 0; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; }
.nav { margin-left: auto; display: flex; gap: 14px; }
.nav a { padding: 10px 10px; border-radius: 10px; }
.nav a:hover { background: rgba(246, 201, 69, 0.25); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid rgba(19, 111, 82, 0.25);
  background: var(--green-900);
  color: #fff;
  box-shadow: var(--shadow);
  font-weight: 700;
}
.btn:hover { transform: translateY(-1px); }
.btn--ghost {
  background: #fff;
  color: var(--green-900);
  border: 1px solid rgba(19, 111, 82, 0.3);
  box-shadow: none;
}
.btn--small { padding: 10px 12px; border-radius: 11px; }
.btn--full { width: 100%; }

/* Hero */
.hero { 
  padding: 64px 0 40px; 
  }
.hero__inner {
  display: grid;
  gap: 26px;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
}
.hero__copy h1 { font-size: clamp(2rem, 4.2vw, 3rem); }
.hero__actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 18px; }
.hero__points { margin-top: 18px; display: grid; gap: 8px; padding-left: 18px; }

.hero__card { display: flex; justify-content: flex-end; }
.book-card {
  width: 100%;
  max-width: 380px;
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 16px;
}
.book-card__badge {
  display: inline-block;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(246, 201, 69, 0.35);
  border: 1px solid rgba(246, 201, 69, 0.7);
  font-weight: 800;
  color: var(--green-900);
}
.book-card__cover {
  margin-top: 12px;
  border-radius: 14px;
  padding: 18px;
  background: linear-gradient(135deg, var(--green-900), var(--green-700));
  color: #fff;
}
.book-card__title { font-size: 1.2rem; font-weight: 900; }
.book-card__subtitle { margin-top: 6px; opacity: 0.9; }
.book-card__image{
  display:block;
  width: 100%;
  max-width: 240px;
  margin: 14px auto 0;
  border-radius: 12px;
  box-shadow: 0 12px 22px rgba(0,0,0,0.18);
}
.book-card__meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 14px 0;
}
.meta__label { font-size: 0.85rem; color: rgba(15, 23, 42, 0.7); }
.meta__value { font-weight: 800; color: var(--ink); }
.book-card__hint { margin-top: 10px; font-size: 0.92rem; color: var(--muted); }

/* Cards grid */
.grid { display: grid; gap: 14px; grid-template-columns: repeat(3, 1fr); }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: 0 10px 18px rgba(2, 6, 23, 0.06);
}

/* Section 2: Books list */
.books { display: grid; gap: 16px; }

/* Book row: cover box | slider | text */
.book {
  display: grid;
  grid-template-columns: 220px 160px 1fr;
  gap: 16px;
  padding: 16px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 10px 18px rgba(2, 6, 23, 0.06);
  align-items: center;
}

/* left box */
.book__cover {
  border-radius: 14px;
  padding: 16px;
  background: linear-gradient(135deg, rgba(246, 201, 69, 0.9), rgba(19, 111, 82, 0.92));
  color: var(--green-900);
  min-height: 160px;
}
.book__cover-title { font-weight: 950; font-size: 1.05rem; }
.book__cover-subtitle { margin-top: 6px; font-weight: 700; opacity: 0.9; }

/* slider column */
.book__image-wrap {
  width: 160px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.book-slider { width: 160px; }

.book-slides {
  position: relative;
  width: 120px;
  height: 160px;
  margin: 0 auto;
}

.book-slide {
  position: absolute;
  inset: 0;
  width: 120px;
  height: 160px;
  object-fit: contain;
  display: none;
  cursor: zoom-in;
}

.book-slide.is-active { display: block; }

.book-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 10px;
}

.book-dots .dot {
  width: 8px;
  height: 8px;
  border: 0;
  padding: 0;
  border-radius: 999px;
  background: #cbd5e1;
  cursor: pointer;
}

.book-dots .dot.is-active { background: var(--green-900); }

/* Buy section */
.buy {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  align-items: start;
}
.buy__links { display: flex; gap: 12px; flex-wrap: wrap; margin: 12px 0; }
.faq details {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px 14px;
  margin-bottom: 10px;
}
.faq summary { font-weight: 800; cursor: pointer; }

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  padding: 22px 0;
  background: rgba(255, 255, 255, 0.7);
}
.footer__inner {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}
.footer__links { display: flex; gap: 14px; }
.footer__links a:hover { text-decoration: underline; }

/* Zoom modal */
.image-modal { position: fixed; inset: 0; display: none; z-index: 9999; }
.image-modal.is-open { display: block; }
.image-modal__backdrop { position: absolute; inset: 0; background: rgba(0,0,0,0.65); }
.image-modal__content {
  position: relative;
  max-width: min(900px, 90vw);
  max-height: 85vh;
  margin: 6vh auto;
  background: #fff;
  border-radius: 12px;
  padding: 16px;
  box-shadow: 0 30px 60px rgba(0,0,0,0.4);
}
.image-modal__content img {
  max-width: 100%;
  max-height: 72vh;
  display: block;
  margin: 0 auto;
}
.image-modal__close {
  position: absolute;
  top: 8px;
  right: 10px;
  background: none;
  border: 0;
  font-size: 22px;
  cursor: pointer;
}

/* Responsive */
@media (max-width: 900px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__card { justify-content: flex-start; }
  .grid { grid-template-columns: 1fr; }
  .buy { grid-template-columns: 1fr; }
  .nav { display: none; }

  .book { grid-template-columns: 1fr; align-items: start; }
  .book__image-wrap { width: 100%; }
  .book-slider { width: 100%; }
}
/* Add breathing space between text and CTA button in book cards */
.book__body ul {
  margin-bottom: 15px;   /* space after bullet points */
}

.book__body .btn {
  margin-top: 6px;       /* extra separation from text */
}
/* Enlarge logo in header */
.logo__mark {
  width: 120px;          /* container size */
  height: 120px;
/*  padding: 6px; */
}

.logo__mark img {
  width: 100%;          /* fill the container */
  height: 100%;
  object-fit: contain;
}
/* Center brand name in header */
.header__inner {
  position: relative;
}
/* Modal prev/next buttons */
/* --- Modal prev/next buttons: right side of page --- */
.image-modal__nav {
  position: fixed;              /* FIXED to viewport */
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 999px;
  border: 0;
  cursor: pointer;
  font-size: 28px;
  line-height: 44px;
  text-align: center;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 10px 20px rgba(0,0,0,0.2);
  z-index: 10000;               /* above modal */
}

/* Right side placement */
.image-modal__next {
  right: 20px;
}

/* Left side (optional – you can remove if you only want right) */
.image-modal__prev {
  right: 72px;                  /* sits just left of Next */
}

/* Hover polish */
.image-modal__nav:hover {
  transform: translateY(-50%) scale(1.05);
}
/* --- Zoom inside modal --- */
.image-modal__content img {
  cursor: zoom-in;
  transition: transform 0.3s ease;
  max-height: 86vh;     /* was ~72vh */
}

.image-modal__content img.is-zoomed {
  transform: scale(1.8);     /* zoom level */
  cursor: zoom-out;
}
.image-modal__content {
  overflow: auto;
  max-height: 92vh;     /* was 85vh */
  margin: 2vh auto;     /* was 6vh auto */
  overflow: auto;       /* allow scroll inside modal */
}
/* Offset anchor scroll for sticky header */
section[id] {
  scroll-margin-top: 98px; /* adjust to header height */
}
/* Privacy page: align bullet block with paragraph text */
.container ul {
  padding-left: 0 !important;
  list-style-position: inside !important;
}
.container ul li {
  margin: 6px 0;
}
/* Softer headings for policy pages */
.container h2 {
  font-size: 1.25rem;   /* slightly smaller than default */
  margin-top: 28px;
}
.book-dots{
  position: relative;
  z-index: 5;              /* above slides */
  padding: 10px 0 4px;     /* adds tap space */
}

.book-dots .dot{
  width: 6px;
  height: 6px; 
  padding: 6px;               /* increases tap area invisibly */
  touch-action: manipulation;
}