:root {
  --royal-blue: #1E3A8A;
  --gold: #D4AF37;
  --burgundy: #7A1F2A;
  --cream: #F8F5EF;
  --charcoal: #333333;
  --white: #ffffff;
  --ink-soft: #5f5a52;
  --line: rgba(51, 51, 51, 0.14);
  --shadow: 0 24px 70px rgba(30, 58, 138, 0.18);
  --radius: 8px;
  --heading: "Playfair Display", Georgia, serif;
  --body: "Poppins", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--body);
  color: var(--charcoal);
  background: var(--cream);
  line-height: 1.65;
}

body.modal-open {
  overflow: hidden;
}

img,
svg {
  max-width: 100%;
  display: block;
}

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

button,
input,
textarea,
select {
  font: inherit;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem clamp(1rem, 4vw, 3rem);
  background: rgba(248, 245, 239, 0.92);
  border-bottom: 1px solid rgba(212, 175, 55, 0.28);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 700;
  color: var(--royal-blue);
  letter-spacing: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  color: var(--cream);
  background: var(--burgundy);
  border: 2px solid var(--gold);
  border-radius: 50%;
  line-height: 1;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 3vw, 2rem);
  font-size: 0.95rem;
  font-weight: 600;
}

.site-nav a {
  color: var(--charcoal);
  transition: color 180ms ease;
}

.site-nav a:hover {
  color: var(--burgundy);
}

.menu-toggle {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: var(--radius);
  padding: 0.72rem;
}

.menu-toggle span {
  display: block;
  height: 2px;
  margin: 0.28rem 0;
  background: var(--royal-blue);
}

.section,
.section-band {
  padding: clamp(4rem, 8vw, 7rem) 0;
  scroll-margin-top: 5rem;
}

.section-band {
  background:
    linear-gradient(135deg, rgba(30, 58, 138, 0.08), transparent 36%),
    linear-gradient(315deg, rgba(122, 31, 42, 0.08), transparent 38%),
    var(--cream);
}

.container,
.hero-inner {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.hero {
  min-height: 92vh;
  display: flex;
  align-items: center;
  padding-top: 7.5rem;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 3rem;
  align-items: center;
}

.eyebrow {
  margin: 0 0 0.8rem;
  color: var(--burgundy);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
blockquote {
  font-family: var(--heading);
  line-height: 1.08;
  color: var(--royal-blue);
}

h1 {
  margin: 0;
  font-size: clamp(3.2rem, 12vw, 6.8rem);
  font-weight: 800;
}

h2 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 6vw, 3.45rem);
}

h3 {
  margin: 0 0 0.75rem;
  font-size: 1.65rem;
}

p {
  margin: 0 0 1rem;
}

.hero-subtitle {
  max-width: 39rem;
  margin-top: 1rem;
  color: var(--ink-soft);
  font-size: clamp(1.05rem, 3vw, 1.35rem);
}

.price-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.6rem 0 2rem;
}

.price-row span {
  padding: 0.65rem 0.9rem;
  background: var(--white);
  border: 1px solid rgba(212, 175, 55, 0.45);
  border-radius: var(--radius);
  box-shadow: 0 10px 30px rgba(51, 51, 51, 0.06);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.25rem;
  padding: 0.85rem 1.25rem;
  border: 0;
  border-radius: var(--radius);
  cursor: pointer;
  font-weight: 700;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: var(--white);
  background: var(--burgundy);
  box-shadow: 0 18px 36px rgba(122, 31, 42, 0.22);
}

.button-secondary {
  width: 100%;
  color: var(--royal-blue);
  background: var(--gold);
}

.book-stage {
  display: grid;
  place-items: center;
  min-height: 30rem;
}

.book-cover-link {
  width: min(78vw, 22rem);
  display: block;
  border-radius: var(--radius);
  box-shadow: var(--shadow), 18px 18px 0 rgba(212, 175, 55, 0.22);
}

.book-cover-image {
  width: 100%;
  height: auto;
  border: 1px solid rgba(212, 175, 55, 0.72);
  border-radius: var(--radius);
}

.two-column,
.author-layout,
.order-grid {
  display: grid;
  gap: 2rem;
}

.section-copy {
  max-width: 44rem;
}

.section-copy p {
  color: var(--ink-soft);
}

.feature-card,
.order-form,
.summary-card,
.payment-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 18px 56px rgba(51, 51, 51, 0.08);
}

.feature-card {
  padding: clamp(1.3rem, 4vw, 2rem);
}

.feature-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.feature-list li,
.trust-grid div {
  position: relative;
  padding-left: 2rem;
}

.feature-list li + li {
  margin-top: 1rem;
}

.feature-list li::before,
.trust-grid div::before {
  content: "\2713";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--gold);
  font-weight: 800;
}

.quote-section {
  text-align: center;
  background:
    linear-gradient(rgba(30, 58, 138, 0.9), rgba(30, 58, 138, 0.9)),
    var(--royal-blue);
}

blockquote {
  max-width: 58rem;
  margin: 0 auto;
  color: var(--cream);
  font-size: clamp(1.9rem, 6vw, 3.7rem);
}

.author-image {
  width: 100%;
  height: auto;
  max-height: 42rem;
  border: 1px solid rgba(212, 175, 55, 0.45);
  border-radius: var(--radius);
  object-fit: cover;
  object-position: center top;
  box-shadow: var(--shadow);
}

.section-heading {
  max-width: 47rem;
  margin-bottom: 2rem;
}

.order-form,
.summary-card,
.payment-card {
  padding: clamp(1rem, 4vw, 1.6rem);
}

.form-grid {
  display: grid;
  gap: 1rem;
}

label {
  display: grid;
  gap: 0.4rem;
  font-weight: 600;
}

label em {
  color: var(--ink-soft);
  font-style: normal;
  font-weight: 400;
}

input,
textarea,
select {
  width: 100%;
  min-height: 3.1rem;
  padding: 0.8rem 0.9rem;
  color: var(--charcoal);
  background: #fffdf8;
  border: 1px solid rgba(51, 51, 51, 0.22);
  border-radius: var(--radius);
  outline: none;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

textarea {
  resize: vertical;
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--royal-blue);
  box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.12);
}

.field-error input,
.field-error textarea,
.field-error select {
  border-color: var(--burgundy);
}

.error-message {
  min-height: 1.1rem;
  color: var(--burgundy);
  font-size: 0.78rem;
}

.summary-stack {
  display: grid;
  align-content: start;
  gap: 1rem;
}

.summary-card dl {
  margin: 0;
}

.summary-card dl div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--line);
}

.summary-card dt {
  color: var(--ink-soft);
  font-weight: 500;
}

.summary-card dd {
  margin: 0;
  font-weight: 800;
  color: var(--royal-blue);
}

.summary-card .total-row {
  border-bottom: 0;
  font-size: 1.25rem;
}

.payment-card {
  display: grid;
  gap: 1.2rem;
  background: linear-gradient(145deg, var(--royal-blue), #142d70);
  color: var(--cream);
}

.payment-card h3,
.payment-card .eyebrow {
  color: var(--cream);
}

.payment-card p:not(.eyebrow) {
  color: rgba(248, 245, 239, 0.82);
}

.trust-grid {
  display: grid;
  gap: 1rem;
}

.trust-grid div {
  min-height: 4.2rem;
  display: flex;
  align-items: center;
  padding: 1rem 1rem 1rem 3rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-weight: 700;
}

.trust-grid div::before {
  top: 50%;
  left: 1rem;
  transform: translateY(-50%);
}

.site-footer {
  padding: 3rem 0;
  text-align: center;
  color: var(--cream);
  background: var(--charcoal);
}

.site-footer h2 {
  margin-bottom: 0.5rem;
  color: var(--gold);
  font-size: 2rem;
}

.site-footer p {
  margin: 0.25rem 0;
}

.footer-links {
  margin: 1.5rem 0;
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--gold);
  text-decoration: none;
  font-size: 0.95rem;
  transition: opacity 0.3s ease;
}

.footer-links a:hover {
  opacity: 0.8;
  text-decoration: underline;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 1rem;
}

.modal[hidden] {
  display: none;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(17, 24, 39, 0.65);
}

.modal-panel {
  position: relative;
  width: min(100%, 30rem);
  padding: 1.5rem;
  background: var(--cream);
  border: 1px solid rgba(212, 175, 55, 0.55);
  border-radius: var(--radius);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.25);
}

.modal-panel h2 {
  font-size: 2.2rem;
}

.modal-close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  width: 2.4rem;
  height: 2.4rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--charcoal);
  cursor: pointer;
  font-size: 1.4rem;
  line-height: 1;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 700ms ease, transform 700ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (min-width: 680px) {
  .form-grid,
  .trust-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .full-span {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .hero-inner {
    grid-template-columns: 1.05fr 0.95fr;
  }

  .two-column {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
  }

  .author-layout {
    grid-template-columns: 0.85fr 1.15fr;
    align-items: center;
  }

  .order-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(19rem, 0.75fr);
    align-items: start;
  }

  .trust-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .menu-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 1px);
    left: 1rem;
    right: 1rem;
    display: grid;
    gap: 0;
    padding: 0.5rem;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 180ms ease, transform 180ms ease;
  }

  .site-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .site-nav a {
    padding: 0.85rem;
  }

  .hero {
    min-height: auto;
  }

  .book-stage {
    min-height: 26rem;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}