* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  color: #17202a;
  background: #ffffff;
  line-height: 1.6;
}

.container {
  width: min(1160px, 92%);
  margin: 0 auto;
}

.narrow {
  max-width: 860px;
}

.hero {
  background:
    radial-gradient(circle at top right, rgba(214, 179, 106, 0.26), transparent 34%),
    linear-gradient(135deg, #101820 0%, #243447 100%);
  color: #fff;
  padding: 76px 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 56px;
  align-items: center;
}

.eyebrow {
  color: #d6b36a;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.82rem;
  font-weight: 800;
}

h1 {
  font-size: clamp(2.7rem, 5.8vw, 5.7rem);
  line-height: 0.95;
  margin: 12px 0 18px;
  letter-spacing: -0.045em;
}

h2 {
  font-size: clamp(2rem, 3vw, 3.1rem);
  line-height: 1.1;
  margin: 0 0 22px;
  letter-spacing: -0.025em;
}

h3 {
  margin-top: 0;
  line-height: 1.25;
}

a {
  color: inherit;
}

.authors-line {
  font-size: 1.05rem;
  margin: 0 0 24px;
  color: #f3dfaa;
}

.authors-line a,
.author-card a,
.legal a {
  color: #b8862f;
  font-weight: 850;
  text-decoration: none;
}

.hero .authors-line a {
  color: #d6b36a;
}

.authors-line a:hover,
.author-card a:hover,
.footer-links a:hover,
.legal a:hover {
  text-decoration: underline;
}

.subtitle {
  font-size: 1.35rem;
  max-width: 760px;
  color: #ffffff;
  font-weight: 700;
}

.intro {
  font-size: 1.08rem;
  max-width: 760px;
  color: #e6edf3;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 34px;
}

.button,
button {
  display: inline-block;
  border: 0;
  background: #d6b36a;
  color: #101820;
  padding: 14px 23px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 900;
  cursor: pointer;
  font-size: 1rem;
}

.button.secondary {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.35);
}

.button.full {
  width: 100%;
  text-align: center;
}

.cover-wrap {
  display: flex;
  justify-content: center;
}

.cover-image {
  width: min(430px, 100%);
  border-radius: 10px;
  box-shadow: 0 28px 70px rgba(0,0,0,0.42);
}

.section {
  padding: 78px 0;
}

.muted {
  background: #f6f7f9;
}

.lead {
  font-size: 1.16rem;
  max-width: 940px;
  margin-bottom: 30px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.card {
  background: #fff;
  border: 1px solid #e6e8eb;
  border-radius: 18px;
  padding: 25px;
}

.disclaimer-inline {
  margin-top: 26px;
  color: #556070;
  font-size: 0.98rem;
}

.checklist {
  list-style: none;
  padding: 0;
  margin: 26px 0 0;
}

.checklist li {
  padding: 13px 0 13px 36px;
  position: relative;
  border-bottom: 1px solid #e6e8eb;
}

.checklist li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #946c1f;
  font-weight: 900;
}

.packages {
  background: #101820;
  color: #fff;
}

.price-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.price-card {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 24px;
  padding: 30px;
}

.price-card.highlighted {
  background: #fff;
  color: #101820;
}

.package-label {
  color: #d6b36a;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 900;
  font-size: 0.82rem;
}

.highlighted .package-label {
  color: #946c1f;
}

.package-text {
  min-height: 104px;
}

.price {
  font-size: 2.6rem;
  line-height: 1;
  font-weight: 950;
  margin: 28px 0;
}

.authors-section {
  background: #ffffff;
}

.author-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.author-card {
  display: grid;
  grid-template-columns: 230px 1fr;
  gap: 28px;
  align-items: center;
  background: #f8f7f2;
  border: 1px solid #e7dfc8;
  border-radius: 24px;
  padding: 26px;
}

.author-card img {
  width: 230px;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center top;
  border-radius: 18px;
  box-shadow: 0 16px 34px rgba(0,0,0,0.12);
  background: #fff;
}

.order {
  background: #f6f7f9;
}

.order-grid {
  display: grid;
  grid-template-columns: 0.86fr 1.14fr;
  gap: 44px;
  align-items: start;
}

.payment-box {
  margin-top: 28px;
  background: #ffffff;
  border: 1px solid #e6e8eb;
  border-radius: 18px;
  padding: 24px;
}

.order-form {
  background: #fff;
  color: #17202a;
  padding: 30px;
  border-radius: 24px;
  box-shadow: 0 18px 50px rgba(16,24,32,0.10);
  border: 1px solid #e6e8eb;
}

label {
  display: block;
  font-weight: 780;
  margin-bottom: 18px;
}

input,
textarea,
select {
  width: 100%;
  margin-top: 7px;
  padding: 13px 14px;
  border-radius: 12px;
  border: 1px solid #ccd3dc;
  font: inherit;
  background: #fff;
}

textarea {
  resize: vertical;
}

.checkbox {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-weight: 500;
}

.checkbox input {
  width: auto;
  margin-top: 6px;
}

.small {
  font-size: 0.9rem;
  color: #64748b;
}

.legal {
  background: #fff;
}

footer {
  background: #101820;
  padding: 28px 0;
  color: #d7dde5;
}

footer .container {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.footer-links a {
  color: #ffffff;
  text-decoration: none;
  font-weight: 750;
}

@media (max-width: 980px) {
  .hero-grid,
  .order-grid,
  .price-grid {
    grid-template-columns: 1fr;
  }

  .cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .cover-image {
    width: min(360px, 100%);
  }
}

@media (max-width: 720px) {
  .author-card {
    grid-template-columns: 1fr;
  }

  .author-card img {
    width: 100%;
    max-width: 280px;
  }
}

@media (max-width: 560px) {
  .hero {
    padding: 54px 0;
  }

  .section {
    padding: 54px 0;
  }

  .cards {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    flex-direction: column;
  }

  .button,
  button {
    width: 100%;
    text-align: center;
  }

  .price {
    font-size: 2.2rem;
  }
}
