:root {
  --black: #070707;
  --white: #ffffff;
  --gold: #c9942d;
  --gold-light: #e0b454;
  --gold-text: #8a641b;
  --max: 76rem;
  --reading: 47rem;
  --shadow: 0 1.4rem 3.6rem rgba(0, 0, 0, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

[id] {
  scroll-margin-top: 6rem;
}

body {
  margin: 0;
  background: var(--white);
  color: var(--black);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 1rem;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
}

img {
  display: block;
  height: auto;
  max-width: 100%;
}

a {
  color: inherit;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--gold-text);
}

.hero a:not(.button):hover,
.section-dark a:not(.button):hover,
.site-footer a:hover {
  color: var(--gold-light);
}

.section-gold a:not(.button):hover {
  color: var(--black);
}

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

button,
.button {
  touch-action: manipulation;
}

:focus-visible {
  outline: 0.2rem solid currentColor;
  outline-offset: 0.2rem;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 1000;
  transform: translateY(-150%);
  padding: 0.7rem 1rem;
  background: var(--white);
  color: var(--black);
  font-weight: 700;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(201, 148, 45, 0.55);
  background: rgba(7, 7, 7, 0.97);
  color: var(--white);
}

.nav-shell {
  display: flex;
  min-height: 5rem;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.5rem;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.wordmark {
  display: inline-flex;
  flex: 0 0 auto;
  flex-direction: column;
  text-decoration: none;
  line-height: 1;
}

.wordmark span:first-child {
  color: var(--white);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1rem;
  letter-spacing: 0.12em;
}

.wordmark span:last-child {
  margin-top: 0.35rem;
  color: var(--gold-light);
  font-size: 0.69rem;
  font-weight: 700;
  letter-spacing: 0.34em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.15rem;
}

.site-nav a {
  border-bottom: 1px solid transparent;
  color: var(--white);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  border-color: var(--gold-light);
  color: var(--gold-light);
}

.nav-toggle {
  display: none;
  min-width: 3rem;
  min-height: 2.75rem;
  border: 1px solid var(--gold);
  background: transparent;
  color: var(--white);
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.shell {
  width: min(calc(100% - 3rem), var(--max));
  margin-inline: auto;
}

.reading {
  width: min(100%, var(--reading));
}

.center {
  margin-inline: auto;
  text-align: center;
}

.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--gold);
  background: var(--black);
  color: var(--white);
}

.hero::after {
  position: absolute;
  right: -10rem;
  bottom: -16rem;
  width: 32rem;
  height: 32rem;
  border: 1px solid rgba(201, 148, 45, 0.45);
  border-radius: 50%;
  content: "";
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  min-height: 39rem;
  padding-block: 6.5rem;
  align-items: center;
}

.hero-home .hero-inner {
  min-height: calc(100vh - 5rem);
  max-height: 58rem;
}

.hero-course .hero-inner {
  min-height: 0;
  padding-block: 3.25rem;
}

.hero-course h1 {
  margin-bottom: 1rem;
  font-size: clamp(2.6rem, 5vw, 4.25rem);
}

.hero-course .lede {
  margin-bottom: 1rem;
  font-size: clamp(1.08rem, 1.65vw, 1.3rem);
  line-height: 1.45;
}

.hero-course .price-block {
  margin-block: 1rem;
  padding-block: 0.8rem;
}

.hero-course .actions {
  margin-top: 1rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(15rem, 0.55fr);
  gap: clamp(2rem, 7vw, 6rem);
  align-items: center;
}

.brand-mark {
  width: min(17rem, 72vw);
  margin: 0 auto;
  filter: drop-shadow(0 1rem 2rem rgba(0, 0, 0, 0.35));
}

.eyebrow {
  margin: 0 0 1.1rem;
  color: var(--gold-text);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.hero .eyebrow,
.section-dark .eyebrow {
  color: var(--gold-light);
}

h1,
h2,
h3,
.display {
  margin-top: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  line-height: 1.08;
}

h1 {
  max-width: 15ch;
  margin-bottom: 1.5rem;
  font-size: clamp(2.9rem, 7vw, 6.25rem);
  letter-spacing: -0.035em;
}

.hero:not(.hero-home) h1 {
  max-width: 18ch;
  font-size: clamp(2.7rem, 6vw, 5.35rem);
}

h2 {
  margin-bottom: 1.2rem;
  font-size: clamp(2rem, 4.5vw, 3.8rem);
  letter-spacing: -0.025em;
}

h3 {
  margin-bottom: 0.7rem;
  font-size: clamp(1.35rem, 2.3vw, 1.85rem);
}

p {
  margin: 0 0 1.25rem;
}

.lede {
  max-width: 46rem;
  margin-bottom: 2rem;
  color: rgba(255, 255, 255, 0.82);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.17rem, 2vw, 1.45rem);
  line-height: 1.55;
}

.hero-note {
  max-width: 42rem;
  margin-top: 1.25rem;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.actions.centered {
  justify-content: center;
}

.button {
  display: inline-flex;
  min-height: 3.15rem;
  padding: 0.8rem 1.3rem;
  border: 1px solid var(--gold);
  align-items: center;
  justify-content: center;
  background: var(--gold);
  color: var(--black);
  cursor: pointer;
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-align: center;
  text-decoration: none;
  text-transform: uppercase;
}

.button:hover {
  background: var(--gold-light);
  color: var(--black);
}

.button-outline {
  border-color: rgba(255, 255, 255, 0.65);
  background: transparent;
  color: var(--white);
}

.button-outline:hover {
  border-color: var(--gold-light);
  background: transparent;
  color: var(--gold-light);
}

.button-dark {
  background: var(--black);
  color: var(--white);
}

.button-dark:hover {
  color: var(--black);
}

.text-link {
  color: inherit;
  font-weight: 800;
  text-decoration-color: var(--gold);
  text-decoration-thickness: 0.12rem;
}

.section {
  padding-block: clamp(4.5rem, 9vw, 8rem);
}

.section-tight {
  padding-block: clamp(3.2rem, 6vw, 5rem);
}

.section-dark {
  border-block: 1px solid rgba(201, 148, 45, 0.65);
  background: var(--black);
  color: var(--white);
}

.section-dark p,
.section-dark li {
  color: rgba(255, 255, 255, 0.8);
}

.section-gold {
  background: var(--gold);
  color: var(--black);
}

.section-rule {
  border-top: 1px solid rgba(201, 148, 45, 0.5);
}

.intro-grid,
.grid-2,
.grid-3,
.grid-4 {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3.5rem);
}

.intro-grid,
.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.intro-grid {
  grid-template-columns: minmax(15rem, 0.72fr) minmax(0, 1.28fr);
  align-items: start;
}

.statement {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.9rem, 4vw, 3.5rem);
  line-height: 1.22;
}

.statement strong {
  color: var(--gold-text);
  font-weight: 400;
}

.section-gold .statement strong {
  color: var(--black);
}

.gold-rule {
  width: 5rem;
  height: 1px;
  margin: 1.6rem 0 2rem;
  border: 0;
  background: var(--gold);
}

.card {
  position: relative;
  height: 100%;
  padding: clamp(1.6rem, 3vw, 2.3rem);
  border: 1px solid rgba(7, 7, 7, 0.18);
  background: var(--white);
}

.section-dark .card {
  border-color: rgba(201, 148, 45, 0.55);
  background: var(--black);
}

.card-kicker,
.number {
  display: block;
  margin-bottom: 1rem;
  color: var(--gold-text);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.section-dark .card-kicker,
.section-dark .number {
  color: var(--gold-light);
}

.card p:last-child,
.card ul:last-child {
  margin-bottom: 0;
}

.journey-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--gold);
  border-left: 1px solid var(--gold);
}

.journey-step {
  min-height: 13rem;
  padding: 1.55rem;
  border-right: 1px solid var(--gold);
  border-bottom: 1px solid var(--gold);
}

.journey-step h3 {
  font-size: 1.35rem;
}

.journey-step p {
  margin-bottom: 0;
  font-size: 0.94rem;
}

.list-check,
.plain-list {
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.list-check li,
.plain-list li {
  position: relative;
  padding: 0.7rem 0 0.7rem 1.4rem;
  border-bottom: 1px solid rgba(7, 7, 7, 0.14);
}

.section-dark .list-check li,
.section-dark .plain-list li {
  border-color: rgba(255, 255, 255, 0.18);
}

.list-check li::before {
  position: absolute;
  top: 0.72rem;
  left: 0;
  color: var(--gold-text);
  content: "◆";
  font-size: 0.62rem;
}

.section-dark .list-check li::before {
  color: var(--gold-light);
}

.plain-list li {
  padding-left: 0;
}

.book-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.4rem, 4vw, 3rem);
  align-items: end;
}

.book-figure {
  margin: 0;
  text-align: center;
}

.book-cover {
  width: min(100%, 19rem);
  margin: 0 auto 1.2rem;
  border: 1px solid var(--gold);
  box-shadow: var(--shadow);
}

.book-cover.workbook {
  width: min(100%, 18rem);
}

.book-figure figcaption {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.05rem;
}

.price-block {
  margin: 1.6rem 0;
  padding: 1.2rem 0;
  border-block: 1px solid var(--gold);
}

.price {
  display: block;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.1rem, 4vw, 3.4rem);
  line-height: 1;
}

.price-note {
  display: block;
  margin-top: 0.65rem;
  color: inherit;
  font-size: 0.9rem;
}

.audience-card {
  border-top: 0.28rem solid var(--gold);
}

.audience-grid {
  margin-top: clamp(2rem, 5vw, 3.5rem);
}

.profile-aside {
  display: grid;
  gap: 1.5rem;
  align-content: start;
}

.author-portrait-small {
  display: block;
  width: min(100%, 15rem);
  aspect-ratio: 1;
  margin-inline: auto;
  border: 1px solid var(--gold);
  object-fit: cover;
  box-shadow: var(--shadow);
}

.business-registration-block {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(7, 7, 7, 0.18);
  font-size: 0.88rem;
}

.business-registration {
  display: block;
  margin-top: 0.45rem;
}

.comparison-wrap {
  overflow-x: auto;
  border: 1px solid var(--gold);
}

.comparison {
  width: 100%;
  min-width: 42rem;
  border-collapse: collapse;
}

.comparison th,
.comparison td {
  width: 50%;
  padding: 1.15rem 1.3rem;
  border-bottom: 1px solid rgba(7, 7, 7, 0.16);
  text-align: left;
  vertical-align: top;
}

.comparison th {
  background: var(--black);
  color: var(--white);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.15rem;
}

.comparison th + th {
  color: var(--gold-light);
}

.comparison td + td,
.comparison th + th {
  border-left: 1px solid var(--gold);
}

.quote {
  margin: 0;
  padding-left: clamp(1.4rem, 4vw, 2.8rem);
  border-left: 0.22rem solid var(--gold);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.6rem, 3.5vw, 2.8rem);
  line-height: 1.38;
}

.quote footer {
  margin-top: 1.3rem;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.module-grid {
  counter-reset: module;
}

.module-card {
  counter-increment: module;
}

.module-card::before {
  display: block;
  margin-bottom: 0.9rem;
  color: var(--gold-text);
  content: counter(module, decimal-leading-zero);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.section-dark .module-card::before {
  color: var(--gold-light);
}

details {
  border-top: 1px solid rgba(7, 7, 7, 0.2);
}

details:last-child {
  border-bottom: 1px solid rgba(7, 7, 7, 0.2);
}

summary {
  padding: 1.25rem 2.5rem 1.25rem 0;
  cursor: pointer;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.25rem;
  font-weight: 700;
}

details p {
  max-width: 52rem;
  padding: 0 0 1.25rem;
}

.form-panel {
  padding: clamp(1.5rem, 4vw, 3rem);
  border: 1px solid var(--gold);
  background: var(--white);
  color: var(--black);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.1rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

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

label {
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

input,
select,
textarea {
  width: 100%;
  min-height: 3.15rem;
  padding: 0.75rem 0.85rem;
  border: 1px solid rgba(7, 7, 7, 0.45);
  border-radius: 0;
  background: var(--white);
  color: var(--black);
}

textarea {
  min-height: 9rem;
  resize: vertical;
}

.form-help,
.small-print {
  font-size: 0.86rem;
}

.form-actions {
  display: flex;
  margin-top: 1.4rem;
  align-items: center;
  gap: 1rem;
}

.form-status {
  min-height: 1.5rem;
  margin: 0;
  font-size: 0.92rem;
  font-weight: 700;
}

.form-status[data-state="success"] {
  color: var(--black);
}

.form-status[data-state="error"] {
  color: var(--black);
}

.notice {
  padding: 1.4rem;
  border-left: 0.25rem solid var(--gold);
  background: rgba(201, 148, 45, 0.12);
}

.contact-route {
  display: flex;
  height: 100%;
  flex-direction: column;
}

.contact-route .text-link {
  margin-top: auto;
}

.site-footer {
  padding: 4rem 0 2rem;
  border-top: 1px solid var(--gold);
  background: var(--black);
  color: var(--white);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(15rem, 0.8fr) minmax(0, 1.2fr);
  gap: 3rem;
}

.footer-title {
  margin-bottom: 0.7rem;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.5rem;
}

.footer-tagline {
  max-width: 28rem;
  color: var(--gold-light);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1.3rem;
  margin-bottom: 1.5rem;
}

.footer-nav a {
  color: var(--white);
  font-size: 0.83rem;
  font-weight: 700;
}

.disclaimer,
.copyright {
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.78rem;
  line-height: 1.6;
}

.copyright {
  margin-top: 2rem;
  padding-top: 1.4rem;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}

@media (max-width: 67rem) {
  .js .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    display: flex;
    padding: 1.25rem 1.5rem 1.6rem;
    border-bottom: 1px solid var(--gold);
    align-items: stretch;
    flex-direction: column;
    background: var(--black);
  }

  .js .site-nav {
    display: none;
  }

  .js .site-nav[data-open="true"] {
    display: flex;
  }

  .site-nav a {
    padding: 0.55rem 0;
  }

  .grid-4,
  .journey-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 48rem) {
  .shell {
    width: min(calc(100% - 2rem), var(--max));
  }

  .nav-shell {
    padding-inline: 1rem;
  }

  .hero-inner,
  .hero-home .hero-inner {
    min-height: auto;
    max-height: none;
    padding-block: 3.75rem;
  }

  .hero-course .hero-inner {
    padding-block: 2.75rem;
  }

  .hero-grid,
  .intro-grid,
  .grid-2,
  .grid-3,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .brand-mark {
    width: 9rem;
  }

  .hero-grid .brand-mark {
    order: -1;
    margin-left: 0;
  }

  .hero-grid {
    gap: 1.5rem;
  }

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

  .field-full {
    grid-column: auto;
  }
}

@media (max-width: 34rem) {
  .wordmark span:first-child {
    font-size: 0.88rem;
  }

  .wordmark span:last-child {
    font-size: 0.62rem;
  }

  .journey-grid,
  .grid-4,
  .book-pair {
    grid-template-columns: 1fr;
  }

  .actions,
  .form-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }
}

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

@media print {
  .site-header,
  .site-footer,
  .actions,
  .nav-toggle {
    display: none !important;
  }

  .hero,
  .section-dark {
    background: var(--white);
    color: var(--black);
  }

  .hero-inner {
    min-height: auto;
    padding-block: 2rem;
  }
}