:root {
  --teal-950: #042f35;
  --teal-900: #073f47;
  --teal-800: #075762;
  --teal-100: #dceff0;
  --gold: #c99a32;
  --gold-light: #f2ce76;
  --cream: #fffaf0;
  --paper: #ffffff;
  --ink: #15323a;
  --muted: #587078;
  --line: #d8e1df;
  --shadow: 0 24px 60px rgba(4, 47, 53, .18);
  --serif: Georgia, "Times New Roman", serif;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.7;
}

img { display: block; max-width: 100%; }
a { color: inherit; }

.skip-link {
  position: fixed;
  z-index: 1000;
  top: .75rem;
  left: .75rem;
  padding: .7rem 1rem;
  color: white;
  background: var(--teal-950);
  transform: translateY(-180%);
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  border-bottom: 1px solid rgba(7, 63, 71, .12);
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(12px);
}

.header-inner {
  width: min(1180px, calc(100% - 2rem));
  min-height: 112px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand { flex: 0 0 auto; }
.brand img {
  width: 180px;
  height: 108px;
  object-fit: contain;
  object-position: center;
}

.site-nav { display: flex; align-items: center; gap: 1.35rem; }
.site-nav a {
  text-decoration: none;
  color: var(--teal-950);
  font-size: .92rem;
  font-weight: 700;
}
.site-nav a:hover, .site-nav a:focus-visible { color: #956b0f; }

.nav-toggle {
  display: none;
  border: 1px solid var(--teal-900);
  border-radius: .35rem;
  padding: .55rem .8rem;
  color: var(--teal-900);
  background: white;
  font: 700 .95rem var(--sans);
}

.publisher-intro {
  position: relative;
  overflow: hidden;
  color: white;
  background: var(--teal-950);
}
.publisher-intro::after {
  content: "";
  position: absolute;
  right: -8vw;
  bottom: -13rem;
  width: 52rem;
  height: 24rem;
  border: 1px solid rgba(242, 206, 118, .38);
  border-radius: 50%;
  box-shadow: 0 0 0 4rem rgba(201, 154, 50, .06), 0 0 0 8rem rgba(201, 154, 50, .04);
}
.intro-inner {
  position: relative;
  z-index: 1;
  width: min(980px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 3.25rem 0 3.6rem;
  text-align: center;
}
.intro-inner h1 {
  max-width: 900px;
  margin: .35rem auto .8rem;
  color: var(--gold-light);
  font: 700 clamp(2rem, 4vw, 3.6rem)/1.12 var(--serif);
}
.intro-inner > p:last-child { max-width: 760px; margin: 0 auto; font-size: 1.12rem; }

.eyebrow, .kicker, .offer-label, .contact-label {
  margin: 0 0 .6rem;
  color: var(--gold);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .14em;
  line-height: 1.35;
  text-transform: uppercase;
}
.publisher-intro .eyebrow { color: white; opacity: .78; }

.hero {
  padding: clamp(4rem, 8vw, 7rem) 0;
  background: linear-gradient(120deg, var(--cream) 0 56%, #f0f7f6 56% 100%);
}
.hero-inner {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(300px, .78fr) minmax(0, 1.22fr);
  align-items: center;
  gap: clamp(3rem, 7vw, 7rem);
}
.cover-stage { position: relative; max-width: 470px; justify-self: center; }
.cover-stage::before {
  content: "";
  position: absolute;
  inset: 8% -9% -5% 11%;
  z-index: 0;
  border-radius: 50% 50% 4rem 4rem;
  background: var(--gold-light);
  opacity: .35;
  transform: rotate(-4deg);
}
.book-cover {
  position: relative;
  z-index: 1;
  width: 100%;
  border-radius: .18rem .55rem .55rem .18rem;
  box-shadow: var(--shadow);
}
.release-label {
  position: absolute;
  z-index: 2;
  top: 1.2rem;
  left: -1rem;
  padding: .65rem 1rem;
  color: var(--teal-950);
  background: var(--gold-light);
  font-size: .77rem;
  font-weight: 900;
  letter-spacing: .11em;
  text-transform: uppercase;
  box-shadow: 0 8px 20px rgba(4, 47, 53, .2);
}
.hero-copy h2, .section-heading h2, .uses h2, .author h2, .signup h2, .publisher-about h2 {
  margin: 0;
  color: var(--teal-950);
  font: 700 clamp(2.3rem, 5vw, 4.65rem)/1.02 var(--serif);
}
.hero-copy .subtitle {
  margin: .8rem 0 1.4rem;
  color: var(--teal-800);
  font: 700 clamp(1.3rem, 2.6vw, 2rem)/1.3 var(--serif);
}
.lead { margin: 0; font-size: clamp(1.05rem, 1.6vw, 1.22rem); }
.offer {
  margin: 2rem 0 1.4rem;
  padding: 1.6rem;
  border-left: 6px solid var(--gold);
  background: white;
  box-shadow: 0 14px 35px rgba(4, 47, 53, .09);
}
.offer p { margin: 0; }
.offer .price { margin: 0 0 .35rem; color: var(--teal-950); font: 700 1.35rem var(--serif); }
.offer .price span { color: #9d7114; font-size: 2.35rem; }
.payhip-purchase {
  margin-top: 1.2rem;
  border: 1px solid rgba(7, 63, 71, .2);
  border-radius: .4rem;
  padding: 1rem;
  color: var(--teal-900);
  background: #f5fbfa;
  overflow: hidden;
}
.buy-button {
  display: inline-block;
  padding: .9rem 1.4rem;
  border-radius: .35rem;
  background: var(--teal-900);
  color: white;
  font-weight: 800;
  text-decoration: none;
  text-align: center;
}
.buy-button:hover, .buy-button:focus-visible { background: var(--teal-950); }
.purchase-qr { display: flex; align-items: center; gap: 1rem; margin-top: 1rem; flex-wrap: wrap; }
.purchase-qr img { display: block; width: 160px; height: 160px; background: white; padding: .35rem; }
.purchase-qr p { flex: 1 1 12rem; overflow-wrap: anywhere; }
.purchase-qr a { color: var(--teal-900); font-weight: 700; }
@media (max-width: 480px) { .buy-button { display: block; } }
.text-link, .form-link { color: var(--teal-900); font-weight: 800; text-underline-offset: .22em; }

.features { padding: clamp(4.5rem, 8vw, 7.5rem) 0; }
.section-heading { width: min(850px, calc(100% - 2rem)); margin: 0 auto 3rem; text-align: center; }
.section-heading h2, .uses h2, .author h2, .signup h2, .publisher-about h2 { font-size: clamp(2rem, 4vw, 3.4rem); }
.section-heading > p:last-child { margin: 1rem auto 0; max-width: 710px; }
.feature-grid {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.2rem;
}
.feature-grid article { padding: 1.8rem 1.5rem 2rem; border-top: 3px solid var(--gold); background: #f7fbfa; }
.feature-grid h3 { margin: .8rem 0 .55rem; color: var(--teal-950); font: 700 1.3rem/1.25 var(--serif); }
.feature-grid p { margin: 0; color: #496168; line-height: 1.6; }
.feature-number, .feature-icon { color: var(--gold); font: 800 1.8rem/1 var(--serif); }

.uses { padding: clamp(4rem, 8vw, 7rem) 0 0; color: white; background: var(--teal-900); }
.uses-inner {
  width: min(1100px, calc(100% - 2rem));
  margin: 0 auto;
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: clamp(2rem, 7vw, 6rem);
}
.uses h2 { color: white; }
.uses .eyebrow { color: var(--gold-light); }
.uses-inner > div > p:last-child { color: #d6e8e8; font-size: 1.08rem; }
.use-list {
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .9rem;
  list-style: none;
}
.use-list li { position: relative; padding: 1rem 1rem 1rem 2.7rem; border: 1px solid rgba(255,255,255,.18); background: rgba(255,255,255,.06); }
.use-list li::before { content: "✓"; position: absolute; left: 1rem; color: var(--gold-light); font-weight: 900; }
.confidence-line {
  margin: clamp(3.5rem, 7vw, 6rem) 0 0;
  padding: 1.35rem 1rem;
  color: var(--teal-950);
  background: var(--gold-light);
  text-align: center;
  font: 800 clamp(1.25rem, 3vw, 2rem)/1.3 var(--serif);
}

.author { padding: clamp(4.5rem, 8vw, 7rem) 0; background: var(--cream); }
.author-inner {
  width: min(950px, calc(100% - 2rem));
  margin: 0 auto;
  display: grid;
  grid-template-columns: 180px 1fr;
  align-items: center;
  gap: 3rem;
}
.author-mark {
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border: 1px solid var(--gold);
  border-radius: 50%;
  color: var(--gold-light);
  background: var(--teal-950);
  font: 700 2.2rem var(--serif);
  box-shadow: 0 0 0 10px var(--cream), 0 0 0 11px rgba(201,154,50,.35);
}
.author-inner p { max-width: 720px; }

.series { padding: clamp(4.5rem, 8vw, 7rem) 0; background: white; }
.series-grid {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.series-grid article {
  position: relative;
  padding: 2rem;
  border-top: 4px solid var(--gold);
  background: #f7fbfa;
}
.series-grid h3 {
  margin: .3rem 0 .85rem;
  padding-right: 3rem;
  color: var(--teal-950);
  font: 700 1.55rem/1.25 var(--serif);
}
.series-grid p { margin: 0; color: #496168; }
.series-number {
  position: absolute;
  top: 1.65rem;
  right: 1.6rem;
  color: rgba(201, 154, 50, .7);
  font: 800 1.45rem/1 var(--serif);
}

.signup { padding: clamp(4.5rem, 8vw, 7rem) 0; background: #edf6f5; }
.signup-inner {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  align-items: start;
  gap: clamp(2.5rem, 6vw, 5rem);
}
.qr-row { margin: 1.7rem 0 1rem; display: grid; grid-template-columns: 132px 1fr; align-items: center; gap: 1.4rem; }
.qr-row img { width: 132px; border: 10px solid white; box-shadow: 0 8px 25px rgba(4,47,53,.12); }
.qr-row p { margin: 0; color: #496168; }
.form-panel { min-height: 440px; border-top: 4px solid var(--gold); padding: 1.3rem; background: white; box-shadow: 0 15px 40px rgba(4,47,53,.1); }

.publisher-about { padding: clamp(4rem, 7vw, 6rem) 0; }
.publisher-about-inner {
  width: min(1080px, calc(100% - 2rem));
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 4rem;
  align-items: center;
}
.contact-card { padding: 1.6rem; border-left: 4px solid var(--gold); background: var(--cream); }
.contact-card a { color: var(--teal-900); font-weight: 800; overflow-wrap: anywhere; }
.contact-card p:last-child { margin-bottom: 0; }

footer {
  padding: 2.2rem max(1rem, calc((100% - 1180px) / 2));
  display: grid;
  grid-template-columns: 190px 1fr auto;
  align-items: center;
  gap: 2rem;
  color: #d8e7e7;
  background: var(--teal-950);
  font-size: .9rem;
}
footer img {
  width: 210px;
  height: 140px;
  padding: .3rem;
  object-fit: contain;
  object-position: center;
  background: white;
}
footer a { color: var(--gold-light); font-weight: 700; }

:focus-visible { outline: 3px solid var(--gold); outline-offset: 4px; }

@media (max-width: 940px) {
  .nav-toggle { display: block; }
  .site-nav {
    position: absolute;
    top: 100%;
    right: 1rem;
    left: 1rem;
    display: none;
    padding: 1rem;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    border: 1px solid var(--line);
    background: white;
    box-shadow: 0 14px 30px rgba(4,47,53,.14);
  }
  .site-nav.open { display: flex; }
  .site-nav a { padding: .75rem; }
  .hero-inner, .signup-inner { grid-template-columns: 1fr; }
  .hero-copy { max-width: 720px; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .publisher-about-inner { grid-template-columns: 1fr; gap: 2rem; }
}

@media (max-width: 700px) {
  .header-inner { min-height: 94px; }
  .brand img { width: 145px; height: 88px; }
  .intro-inner { text-align: left; }
  .hero { padding-top: 3.5rem; }
  .hero-inner { gap: 3.5rem; }
  .cover-stage { max-width: 360px; }
  .release-label { left: -.35rem; }
  .feature-grid, .series-grid, .uses-inner, .use-list { grid-template-columns: 1fr; }
  .author-inner { grid-template-columns: 1fr; }
  .author-mark { width: 135px; }
  .qr-row { grid-template-columns: 110px 1fr; }
  .qr-row img { width: 110px; }
  footer { grid-template-columns: 1fr; text-align: center; }
  footer img { margin: 0 auto; }
}

@media (max-width: 460px) {
  .hero-copy h2 { font-size: 2.4rem; }
  .offer { padding: 1.25rem; }
  .qr-row { grid-template-columns: 1fr; }
  .qr-row img { width: 150px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}