:root {
  --cn-navy: #050814;
  --cn-navy-2: #070b1e;
  --cn-panel: #0d1531;
  --cn-panel-light: #111d3f;
  --cn-line: rgba(255, 255, 255, 0.13);
  --cn-text: #f8fafc;
  --cn-muted: #aeb8c9;
  --cn-blue: #3b82f6;
  --cn-blue-light: #60a5fa;
  --cn-gold: #f2c14e;
  --cn-gold-light: #ffe39b;
  --cn-ink: #101827;
  --cn-shadow: 0 24px 80px rgba(0, 0, 0, 0.38);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--cn-navy);
  color: var(--cn-text);
  font-family: "Manrope", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

::selection {
  background: var(--cn-gold);
  color: var(--cn-ink);
}

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

button,
summary {
  font: inherit;
}

a,
button,
summary {
  -webkit-tap-highlight-color: transparent;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible,
[role="tabpanel"]:focus-visible {
  outline: 3px solid var(--cn-gold);
  outline-offset: 4px;
}

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

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--cn-gold);
  color: var(--cn-ink);
  font-weight: 900;
  transform: translateY(-170%);
  transition: transform 0.2s ease;
}

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

.cn-container {
  width: min(1180px, calc(100% - 44px));
  margin-inline: auto;
}

.cn-eyebrow {
  margin: 0 0 14px;
  color: var(--cn-gold);
  font-size: 0.74rem;
  font-weight: 900;
  letter-spacing: 0.16em;
  line-height: 1.35;
  text-transform: uppercase;
}

.cn-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--cn-line);
  background: rgba(5, 8, 20, 0.88);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.cn-nav {
  width: min(1180px, calc(100% - 44px));
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  margin-inline: auto;
}

.cn-brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--cn-text);
}

.cn-brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid rgba(242, 193, 78, 0.4);
  border-radius: 11px;
  background: rgba(242, 193, 78, 0.08);
  color: var(--cn-gold);
  font-family: Georgia, serif;
  font-size: 1.24rem;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.22);
}

.cn-brand strong,
.cn-brand small {
  display: block;
  line-height: 1.1;
}

.cn-brand strong {
  font-size: 0.86rem;
  letter-spacing: 0.11em;
}

.cn-brand small {
  margin-top: 5px;
  color: var(--cn-muted);
  font-size: 0.68rem;
  font-weight: 700;
}

.cn-nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  margin-left: auto;
}

.cn-nav-links a {
  color: var(--cn-muted);
  font-size: 0.82rem;
  font-weight: 800;
  transition: color 0.18s ease;
}

.cn-nav-links a:hover {
  color: var(--cn-text);
}

.cn-nav-cta {
  flex: 0 0 auto;
  padding: 10px 17px;
  border: 1px solid rgba(242, 193, 78, 0.45);
  border-radius: 999px;
  background: linear-gradient(135deg, var(--cn-gold), var(--cn-gold-light));
  color: var(--cn-ink);
  font-size: 0.82rem;
  font-weight: 900;
  box-shadow: 0 12px 28px rgba(242, 193, 78, 0.16);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.cn-nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 34px rgba(242, 193, 78, 0.24);
}

.cn-grid-pattern {
  position: absolute;
  inset: 0;
  z-index: -3;
  background-image:
    linear-gradient(rgba(96, 165, 250, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(96, 165, 250, 0.055) 1px, transparent 1px);
  background-size: 42px 42px;
  -webkit-mask-image: linear-gradient(to bottom, black, transparent 96%);
  mask-image: linear-gradient(to bottom, black, transparent 96%);
}

.cn-orb {
  position: absolute;
  z-index: -2;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
}

.cn-orb-blue {
  top: 8%;
  left: -8%;
  width: 430px;
  height: 430px;
  background: rgba(37, 99, 235, 0.23);
}

.cn-orb-gold {
  right: -6%;
  bottom: 4%;
  width: 320px;
  height: 320px;
  background: rgba(242, 193, 78, 0.11);
}

.cn-hero {
  position: relative;
  isolation: isolate;
  min-height: 750px;
  display: grid;
  align-items: center;
  overflow: hidden;
  background:
    radial-gradient(circle at 12% 0, rgba(59, 130, 246, 0.2), transparent 34%),
    radial-gradient(circle at 90% 45%, rgba(242, 193, 78, 0.08), transparent 30%),
    linear-gradient(145deg, #03050d 0%, #07102a 56%, #050814 100%);
}

.cn-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(430px, 0.95fr);
  align-items: center;
  gap: clamp(44px, 7vw, 90px);
  padding-block: 80px 94px;
}

.cn-hero-copy h1 {
  max-width: 790px;
  margin: 0;
  font-family: "Anton", Impact, sans-serif;
  font-size: clamp(4.4rem, 7.1vw, 7.15rem);
  font-weight: 400;
  letter-spacing: -0.025em;
  line-height: 0.91;
  text-transform: uppercase;
}

.cn-hero-copy h1 span {
  color: var(--cn-gold);
}

.cn-lead {
  max-width: 700px;
  margin: 26px 0 0;
  color: #c4cede;
  font-size: clamp(1.02rem, 1.6vw, 1.17rem);
}

.cn-lead strong {
  color: var(--cn-text);
}

.cn-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 30px;
}

.cn-btn {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 20px;
  border: 1px solid transparent;
  border-radius: 13px;
  font-size: 0.84rem;
  font-weight: 900;
  line-height: 1.25;
  text-align: center;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

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

.cn-btn-gold {
  background: linear-gradient(135deg, var(--cn-gold), var(--cn-gold-light));
  color: var(--cn-ink);
  box-shadow: 0 18px 38px rgba(242, 193, 78, 0.19);
}

.cn-btn-gold:hover {
  box-shadow: 0 22px 46px rgba(242, 193, 78, 0.28);
}

.cn-btn-blue {
  background: linear-gradient(135deg, #2563eb, var(--cn-blue));
  color: white;
  box-shadow: 0 18px 38px rgba(37, 99, 235, 0.2);
}

.cn-btn-blue:hover {
  box-shadow: 0 22px 46px rgba(37, 99, 235, 0.3);
}

.cn-btn-secondary {
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.06);
  color: var(--cn-text);
}

.cn-btn-secondary:hover {
  border-color: rgba(96, 165, 250, 0.48);
  background: rgba(96, 165, 250, 0.1);
}

.cn-proof-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.cn-proof-list li {
  padding: 15px 14px;
  border: 1px solid var(--cn-line);
  border-radius: 15px;
  background: rgba(255, 255, 255, 0.045);
}

.cn-proof-list strong,
.cn-proof-list span {
  display: block;
}

.cn-proof-list strong {
  color: var(--cn-gold);
  font-family: "Anton", Impact, sans-serif;
  font-size: 1.55rem;
  font-weight: 400;
  line-height: 1;
}

.cn-proof-list span {
  margin-top: 7px;
  color: var(--cn-muted);
  font-size: 0.67rem;
  font-weight: 800;
  line-height: 1.35;
  text-transform: uppercase;
}

.cn-hero-visual {
  position: relative;
  min-height: 540px;
  display: grid;
  place-items: center;
}

.cn-course-screen {
  position: absolute;
  top: 24px;
  right: 12px;
  width: min(100%, 455px);
  overflow: hidden;
  border: 1px solid rgba(96, 165, 250, 0.3);
  border-radius: 28px;
  background: #09132d;
  box-shadow: var(--cn-shadow);
  transform: rotate(2deg);
}

.cn-screen-top {
  min-height: 46px;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 0 16px;
  border-bottom: 1px solid var(--cn-line);
  background: rgba(255, 255, 255, 0.045);
}

.cn-screen-top > span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #334155;
}

.cn-screen-top > span:first-child {
  background: var(--cn-gold);
}

.cn-screen-top small {
  margin-left: auto;
  color: #7f8aa2;
  font-size: 0.6rem;
  font-weight: 900;
  letter-spacing: 0.13em;
}

.cn-screen-body {
  min-height: 290px;
  padding: 38px 38px 48px;
  background:
    linear-gradient(135deg, rgba(59, 130, 246, 0.17), transparent 52%),
    radial-gradient(circle at 80% 22%, rgba(242, 193, 78, 0.14), transparent 34%),
    #081127;
}

.cn-screen-body p {
  margin: 0 0 18px;
  color: var(--cn-blue-light);
  font-size: 0.65rem;
  font-weight: 900;
  letter-spacing: 0.16em;
}

.cn-screen-body strong {
  display: block;
  font-family: "Anton", Impact, sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 400;
  line-height: 1.02;
  text-transform: uppercase;
}

.cn-play {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  margin-top: 28px;
  border: 1px solid rgba(242, 193, 78, 0.38);
  border-radius: 50%;
  background: var(--cn-gold);
  color: var(--cn-ink);
  font-size: 1rem;
  box-shadow: 0 16px 34px rgba(242, 193, 78, 0.2);
}

.cn-book-shot {
  position: absolute;
  right: -8px;
  bottom: -12px;
  width: 214px;
  margin: 0;
  padding: 13px;
  border: 1px solid rgba(242, 193, 78, 0.42);
  border-radius: 23px;
  background: rgba(8, 15, 34, 0.96);
  box-shadow: var(--cn-shadow);
  transform: rotate(-3deg);
}

.cn-book-shot img {
  width: 100%;
  height: auto;
  aspect-ratio: 0.74;
  border-radius: 13px;
  object-fit: cover;
  object-position: right center;
}

.cn-book-shot figcaption {
  padding: 11px 3px 2px;
  color: var(--cn-muted);
  font-size: 0.66rem;
  font-weight: 800;
  line-height: 1.35;
  text-align: center;
}

.cn-section,
.cn-decision {
  padding: 104px 0;
}

.cn-section-heading {
  max-width: 790px;
  margin-bottom: 46px;
}

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

.cn-section-heading h2,
.cn-author h2 {
  margin: 0;
  font-family: "Anton", Impact, sans-serif;
  font-size: clamp(3.1rem, 5.7vw, 5.4rem);
  font-weight: 400;
  letter-spacing: -0.015em;
  line-height: 0.96;
  text-transform: uppercase;
}

.cn-section-heading > p:last-child {
  max-width: 700px;
  margin: 20px 0 0;
  color: var(--cn-muted);
  font-size: clamp(1rem, 1.5vw, 1.13rem);
}

.cn-section-heading-center > p:last-child {
  margin-inline: auto;
}

.cn-decision {
  border-block: 1px solid var(--cn-line);
  background:
    radial-gradient(circle at 10% 20%, rgba(59, 130, 246, 0.11), transparent 30%),
    linear-gradient(180deg, #071022, #050814);
}

.cn-offer-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: stretch;
  gap: 20px;
}

.cn-offer-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 34px;
  border: 1px solid var(--cn-line);
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.085), rgba(255, 255, 255, 0.035));
  box-shadow: var(--cn-shadow);
}

.cn-offer-featured {
  border-color: rgba(242, 193, 78, 0.55);
  background: linear-gradient(155deg, rgba(242, 193, 78, 0.15), rgba(59, 130, 246, 0.09) 58%, rgba(255, 255, 255, 0.035));
  box-shadow: 0 0 0 1px rgba(242, 193, 78, 0.14), var(--cn-shadow);
}

.cn-offer-badge {
  position: absolute;
  top: -13px;
  left: 30px;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--cn-gold);
  color: var(--cn-ink);
  font-size: 0.64rem;
  font-weight: 900;
  letter-spacing: 0.07em;
}

.cn-offer-kicker {
  margin: 0 0 14px;
  color: var(--cn-blue-light);
  font-size: 0.67rem;
  font-weight: 900;
  letter-spacing: 0.14em;
}

.cn-offer-featured .cn-offer-kicker {
  color: var(--cn-gold);
}

.cn-offer-card h3,
.cn-book-offer h3 {
  margin: 0;
  font-family: "Anton", Impact, sans-serif;
  font-size: clamp(2.15rem, 3.7vw, 3.25rem);
  font-weight: 400;
  line-height: 1.02;
  text-transform: uppercase;
}

.cn-offer-card > p:not(.cn-offer-kicker) {
  margin: 18px 0 0;
  color: var(--cn-muted);
  font-size: 0.92rem;
}

.cn-check-list {
  display: grid;
  gap: 10px;
  margin: 24px 0 30px;
  padding: 0;
  list-style: none;
}

.cn-check-list li {
  color: #d8e0ed;
  font-size: 0.84rem;
  font-weight: 700;
}

.cn-check-list li::before {
  content: "✓";
  margin-right: 9px;
  color: var(--cn-gold);
  font-weight: 900;
}

.cn-price-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-top: auto;
  padding: 18px 0;
  border-top: 1px solid var(--cn-line);
}

.cn-price-row span {
  color: var(--cn-muted);
  font-size: 0.73rem;
  font-weight: 800;
  text-transform: uppercase;
}

.cn-price-row strong {
  color: var(--cn-gold);
  font-family: "Anton", Impact, sans-serif;
  font-size: 2.25rem;
  font-weight: 400;
  line-height: 1;
}

.cn-offer-card .cn-btn {
  width: 100%;
}

.cn-offer-card > small {
  display: block;
  margin-top: 12px;
  color: #7f8aa2;
  font-size: 0.65rem;
  line-height: 1.45;
  text-align: center;
}

.cn-book-offer {
  display: grid;
  grid-template-columns: 180px 1fr;
  align-items: center;
  gap: 30px;
  grid-column: 1 / -1;
  padding: 28px;
  border: 1px solid rgba(96, 165, 250, 0.25);
  border-radius: 25px;
  background: linear-gradient(100deg, rgba(37, 99, 235, 0.13), rgba(255, 255, 255, 0.045));
}

.cn-book-cover {
  width: 180px;
  height: 210px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 17px;
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.3);
}

.cn-book-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: right center;
}

.cn-book-offer h3 {
  font-size: clamp(2rem, 3.2vw, 2.8rem);
}

.cn-book-offer p:not(.cn-offer-kicker) {
  max-width: 720px;
  margin: 12px 0 16px;
  color: var(--cn-muted);
  font-size: 0.9rem;
}

.cn-text-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--cn-blue-light);
  font-size: 0.84rem;
  font-weight: 900;
}

.cn-text-link:hover {
  color: var(--cn-gold);
}

.cn-curriculum {
  background: #f3f6fb;
  color: var(--cn-ink);
}

.cn-curriculum .cn-eyebrow {
  color: #1d4ed8;
}

.cn-curriculum .cn-section-heading > p:last-child {
  color: #5e6b7e;
}

.cn-topic-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.cn-topic-grid article {
  min-height: 275px;
  padding: 26px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: 24px;
  background: white;
  box-shadow: 0 18px 48px rgba(15, 23, 42, 0.09);
}

.cn-topic-grid article > span {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(37, 99, 235, 0.2);
  border-radius: 11px;
  background: #eff6ff;
  color: #1d4ed8;
  font-size: 0.68rem;
  font-weight: 900;
}

.cn-topic-grid h3 {
  margin: 58px 0 9px;
  font-size: 1.13rem;
  line-height: 1.25;
}

.cn-topic-grid p {
  margin: 0;
  color: #64748b;
  font-size: 0.87rem;
}

.cn-topic-grid .cn-topic-featured {
  border-color: rgba(217, 159, 18, 0.34);
  background: linear-gradient(155deg, #fff8df, #ffffff);
}

.cn-topic-grid .cn-topic-featured > span {
  border-color: rgba(217, 159, 18, 0.27);
  background: #fff5c8;
  color: #92400e;
}

.cn-method {
  background:
    radial-gradient(circle at 85% 10%, rgba(59, 130, 246, 0.12), transparent 28%),
    #070b17;
}

.cn-method-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
  align-items: start;
  gap: clamp(50px, 8vw, 110px);
}

.cn-method .cn-section-heading {
  margin-bottom: 0;
}

.cn-method .cn-section-heading .cn-btn {
  margin-top: 26px;
}

.cn-path-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.cn-path-list li {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 18px;
  padding: 20px;
  border: 1px solid var(--cn-line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.045);
}

.cn-path-list li > span {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 15px;
  background: rgba(59, 130, 246, 0.13);
  color: var(--cn-blue-light);
  font-family: "Anton", Impact, sans-serif;
  font-size: 1.25rem;
}

.cn-path-list strong {
  display: block;
  margin: 2px 0 4px;
  font-size: 0.98rem;
}

.cn-path-list p {
  margin: 0;
  color: var(--cn-muted);
  font-size: 0.84rem;
}

.cn-catalog {
  border-block: 1px solid var(--cn-line);
  background:
    radial-gradient(circle at 50% 0, rgba(59, 130, 246, 0.12), transparent 36%),
    #081126;
}

.cn-tabs {
  max-width: 1120px;
  margin-inline: auto;
}

.cn-tablist {
  display: none;
}

.cn-tabs.is-enhanced .cn-tablist {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 22px;
  padding: 7px;
  border: 1px solid var(--cn-line);
  border-radius: 18px;
  background: rgba(0, 0, 0, 0.18);
}

.cn-tablist button {
  min-height: 48px;
  flex: 1 1 0;
  padding: 11px 16px;
  border: 1px solid transparent;
  border-radius: 12px;
  background: transparent;
  color: var(--cn-muted);
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 900;
  white-space: nowrap;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.cn-tablist button:hover {
  color: var(--cn-text);
}

.cn-tablist button[aria-selected="true"] {
  border-color: rgba(242, 193, 78, 0.32);
  background: linear-gradient(135deg, rgba(242, 193, 78, 0.18), rgba(59, 130, 246, 0.12));
  color: var(--cn-gold);
}

.cn-tabpanel {
  padding: 28px;
  border: 1px solid var(--cn-line);
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.035);
}

.cn-tabpanel + .cn-tabpanel {
  margin-top: 22px;
}

.cn-tabs.is-enhanced .cn-tabpanel + .cn-tabpanel {
  margin-top: 0;
}

.cn-tabs.is-enhanced .cn-tabpanel[hidden] {
  display: none;
}

.cn-panel-heading {
  margin: 0 0 22px;
  font-size: 1.2rem;
}

.cn-tabs.is-enhanced .cn-panel-heading {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.cn-course-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.cn-course-card {
  min-height: 390px;
  display: flex;
  flex-direction: column;
  padding: 25px;
  border: 1px solid var(--cn-line);
  border-radius: 21px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.075), rgba(255, 255, 255, 0.035));
}

.cn-course-card-featured {
  border-color: rgba(242, 193, 78, 0.45);
  background: linear-gradient(155deg, rgba(242, 193, 78, 0.13), rgba(59, 130, 246, 0.08), rgba(255, 255, 255, 0.03));
}

.cn-course-card > span {
  color: var(--cn-blue-light);
  font-size: 0.63rem;
  font-weight: 900;
  letter-spacing: 0.13em;
}

.cn-course-card-featured > span {
  color: var(--cn-gold);
}

.cn-course-card h4 {
  margin: 20px 0 11px;
  font-family: "Anton", Impact, sans-serif;
  font-size: 1.8rem;
  font-weight: 400;
  line-height: 1.07;
  text-transform: uppercase;
}

.cn-course-card p {
  margin: 0;
  color: var(--cn-muted);
  font-size: 0.84rem;
}

.cn-course-card ul {
  display: grid;
  gap: 6px;
  margin: 20px 0 24px;
  padding: 0;
  list-style: none;
}

.cn-course-card li {
  color: #d8e0ed;
  font-size: 0.76rem;
  font-weight: 700;
}

.cn-course-card li::before {
  content: "•";
  margin-right: 8px;
  color: var(--cn-gold);
}

.cn-course-card > a,
.cn-card-actions {
  margin-top: auto;
}

.cn-course-card a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--cn-blue-light);
  font-size: 0.79rem;
  font-weight: 900;
}

.cn-course-card a:hover {
  color: var(--cn-gold);
}

.cn-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
}

.cn-catalog-footer {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 26px;
  max-width: 1120px;
  margin: 22px auto 0;
  padding: 24px 28px;
  border: 1px solid var(--cn-line);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.045);
}

.cn-catalog-footer p {
  margin: 0;
  color: var(--cn-muted);
  font-size: 0.88rem;
}

.cn-catalog-footer strong {
  color: var(--cn-text);
}

.cn-author {
  background:
    radial-gradient(circle at 14% 78%, rgba(242, 193, 78, 0.1), transparent 28%),
    linear-gradient(145deg, #08122d, #050814);
}

.cn-author-grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.65fr) minmax(0, 1.35fr);
  align-items: center;
  gap: clamp(48px, 8vw, 100px);
}

.cn-author-emblem {
  position: relative;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid rgba(242, 193, 78, 0.35);
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(59, 130, 246, 0.2), transparent 52%),
    repeating-radial-gradient(circle, transparent 0 34px, rgba(255, 255, 255, 0.045) 35px 36px),
    #0b1530;
  box-shadow: var(--cn-shadow);
}

.cn-author-emblem::before,
.cn-author-emblem::after {
  content: "";
  position: absolute;
  background: rgba(242, 193, 78, 0.16);
}

.cn-author-emblem::before {
  width: 1px;
  height: 78%;
}

.cn-author-emblem::after {
  width: 78%;
  height: 1px;
}

.cn-author-emblem span,
.cn-author-emblem small {
  position: relative;
  z-index: 1;
}

.cn-author-emblem span {
  color: var(--cn-gold);
  font-family: "Anton", Impact, sans-serif;
  font-size: clamp(5rem, 10vw, 8rem);
  line-height: 0.8;
}

.cn-author-emblem small {
  position: absolute;
  bottom: 22%;
  color: var(--cn-muted);
  font-size: 0.55rem;
  font-weight: 900;
  letter-spacing: 0.13em;
}

.cn-author-grid > div:last-child > p:not(.cn-eyebrow) {
  max-width: 720px;
  margin: 22px 0 0;
  color: var(--cn-muted);
  font-size: 1rem;
}

.cn-credentials {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 27px 0 24px;
  padding: 0;
  list-style: none;
}

.cn-credentials li {
  padding: 13px 15px;
  border: 1px solid var(--cn-line);
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.045);
  color: #d8e0ed;
  font-size: 0.78rem;
  font-weight: 800;
}

.cn-credentials li::before {
  content: "✓";
  margin-right: 8px;
  color: var(--cn-gold);
}

.cn-faq {
  background: #f3f6fb;
  color: var(--cn-ink);
}

.cn-faq-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(480px, 1.18fr);
  align-items: start;
  gap: clamp(48px, 8vw, 100px);
}

.cn-faq .cn-eyebrow {
  color: #1d4ed8;
}

.cn-faq .cn-section-heading > p:last-of-type {
  color: #475569;
}

.cn-faq .cn-text-link {
  margin-top: 20px;
  color: #1d4ed8;
}

.cn-faq-list {
  display: grid;
  gap: 10px;
}

.cn-faq-list details {
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: 17px;
  background: white;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.055);
}

.cn-faq-list summary {
  position: relative;
  padding: 20px 54px 20px 20px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 900;
  list-style: none;
}

.cn-faq-list summary::-webkit-details-marker {
  display: none;
}

.cn-faq-list summary::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 19px;
  width: 25px;
  height: 25px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: #eff6ff;
  color: #1d4ed8;
  font-size: 1.1rem;
  transform: translateY(-50%);
}

.cn-faq-list details[open] summary::after {
  content: "−";
}

.cn-faq-list details p {
  margin: 0;
  padding: 0 20px 21px;
  color: #64748b;
  font-size: 0.86rem;
}

.cn-final-cta {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 118px 0;
  background:
    radial-gradient(circle at 50% 0, rgba(59, 130, 246, 0.2), transparent 38%),
    linear-gradient(145deg, #03050d, #081435);
  text-align: center;
}

.cn-final-cta h2 {
  max-width: 920px;
  margin: 0 auto;
  font-family: "Anton", Impact, sans-serif;
  font-size: clamp(3.5rem, 7vw, 6.8rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 0.94;
  text-transform: uppercase;
}

.cn-final-cta > .cn-container > p:not(.cn-eyebrow) {
  max-width: 750px;
  margin: 24px auto 0;
  color: var(--cn-muted);
  font-size: 1.02rem;
}

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

.cn-footer {
  padding: 42px 0 54px;
  border-top: 1px solid var(--cn-line);
  background: #03050c;
}

.cn-footer .cn-container {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 34px;
}

.cn-footer strong {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
}

.cn-footer p {
  margin: 0;
  color: #7f8aa2;
  font-size: 0.7rem;
  text-align: center;
}

.cn-footer div:last-child {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 16px;
}

.cn-footer a {
  color: var(--cn-muted);
  font-size: 0.72rem;
  font-weight: 800;
}

.cn-footer a:hover {
  color: var(--cn-gold);
}

.cn-mobile-cta {
  display: none;
}

@media (max-width: 1000px) {
  .cn-nav-links {
    gap: 15px;
  }

  .cn-nav-links a {
    font-size: 0.74rem;
  }

  .cn-hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.95fr);
    gap: 34px;
  }

  .cn-hero-copy h1 {
    font-size: clamp(4rem, 8.5vw, 6rem);
  }

  .cn-hero-visual {
    min-height: 500px;
  }

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

  .cn-topic-grid article {
    min-height: 230px;
  }

  .cn-topic-grid h3 {
    margin-top: 36px;
  }

  .cn-method-grid,
  .cn-faq-grid {
    grid-template-columns: 1fr;
  }

  .cn-faq-grid {
    gap: 10px;
  }

  .cn-faq-grid .cn-section-heading {
    margin-bottom: 34px;
  }

  .cn-course-card {
    min-height: 420px;
  }

  .cn-footer .cn-container {
    grid-template-columns: 1fr;
    gap: 15px;
    text-align: center;
  }

  .cn-footer div:last-child {
    justify-content: center;
  }
}

@media (max-width: 760px) {
  body {
    padding-bottom: calc(76px + env(safe-area-inset-bottom));
  }

  .cn-container,
  .cn-nav {
    width: min(100% - 30px, 1180px);
  }

  .cn-nav {
    min-height: 64px;
    gap: 12px;
  }

  .cn-brand-mark {
    width: 34px;
    height: 34px;
  }

  .cn-brand strong {
    font-size: 0.7rem;
  }

  .cn-brand small,
  .cn-nav-links {
    display: none;
  }

  .cn-nav-cta {
    padding: 9px 12px;
    font-size: 0.7rem;
  }

  .cn-hero {
    min-height: auto;
  }

  .cn-hero-grid {
    grid-template-columns: 1fr;
    gap: 42px;
    padding-block: 58px 72px;
  }

  .cn-hero-copy h1 {
    font-size: clamp(3.4rem, 15vw, 5.2rem);
  }

  .cn-lead {
    font-size: 0.97rem;
  }

  .cn-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .cn-actions .cn-btn {
    width: 100%;
  }

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

  .cn-proof-list li {
    padding: 13px 10px;
  }

  .cn-proof-list strong {
    font-size: 1.35rem;
  }

  .cn-proof-list span {
    font-size: 0.57rem;
  }

  .cn-hero-visual {
    min-height: 410px;
  }

  .cn-course-screen {
    top: 0;
    right: 4%;
    left: 0;
    width: 90%;
  }

  .cn-screen-body {
    min-height: 245px;
    padding: 29px 25px 40px;
  }

  .cn-screen-body strong {
    font-size: clamp(2rem, 9vw, 2.8rem);
  }

  .cn-book-shot {
    right: 0;
    bottom: -8px;
    width: min(150px, 100%);
  }

  .cn-section,
  .cn-decision {
    padding: 76px 0;
  }

  .cn-section-heading {
    margin-bottom: 32px;
  }

  .cn-section-heading h2,
  .cn-author h2 {
    font-size: clamp(2.7rem, 12vw, 4rem);
  }

  .cn-section-heading > p:last-child {
    margin-top: 16px;
    font-size: 0.94rem;
  }

  .cn-offer-grid,
  .cn-topic-grid,
  .cn-course-grid,
  .cn-author-grid {
    grid-template-columns: 1fr;
  }

  .cn-offer-grid {
    gap: 14px;
  }

  .cn-offer-card {
    padding: 30px 22px 23px;
  }

  .cn-price-row {
    align-items: flex-end;
  }

  .cn-price-row strong {
    font-size: 1.9rem;
  }

  .cn-book-offer {
    grid-template-columns: 100px 1fr;
    gap: 18px;
    padding: 20px;
  }

  .cn-book-cover {
    width: 100px;
    height: 145px;
  }

  .cn-book-offer h3 {
    font-size: 1.8rem;
  }

  .cn-topic-grid article {
    min-height: 0;
    padding: 22px;
  }

  .cn-topic-grid h3 {
    margin-top: 26px;
  }

  .cn-path-list li {
    grid-template-columns: 44px 1fr;
    padding: 17px;
  }

  .cn-path-list li > span {
    width: 44px;
    height: 44px;
  }

  .cn-tabs.is-enhanced .cn-tablist {
    justify-content: flex-start;
    overflow-x: auto;
    margin-right: -15px;
    margin-left: -15px;
    padding: 7px 15px 10px;
    border-right: 0;
    border-left: 0;
    border-radius: 0;
    scrollbar-color: rgba(242, 193, 78, 0.45) transparent;
    scrollbar-width: thin;
    scroll-snap-type: x proximity;
  }

  .cn-tablist button {
    min-width: max-content;
    flex: 0 0 auto;
    padding-inline: 17px;
    scroll-snap-align: center;
  }

  .cn-tabpanel {
    padding: 14px;
    border-radius: 20px;
  }

  .cn-course-card {
    min-height: 0;
    padding: 23px;
  }

  .cn-course-card h4 {
    font-size: 1.65rem;
  }

  .cn-catalog-footer {
    grid-template-columns: 1fr;
    padding: 22px;
  }

  .cn-catalog-footer .cn-btn {
    width: 100%;
  }

  .cn-author-grid {
    gap: 38px;
  }

  .cn-author-emblem {
    width: min(330px, 90%);
    justify-self: center;
  }

  .cn-credentials {
    grid-template-columns: 1fr;
  }

  .cn-final-cta {
    padding: 84px 0;
  }

  .cn-final-cta h2 {
    font-size: clamp(3rem, 14vw, 4.8rem);
  }

  .cn-mobile-cta {
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 60;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
    border-top: 1px solid var(--cn-line);
    background: rgba(5, 8, 20, 0.95);
    box-shadow: 0 -16px 40px rgba(0, 0, 0, 0.34);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
  }

  .cn-mobile-cta > span strong,
  .cn-mobile-cta > span small {
    display: block;
    line-height: 1.2;
  }

  .cn-mobile-cta > span strong {
    font-size: 0.69rem;
  }

  .cn-mobile-cta > span small {
    margin-top: 3px;
    color: var(--cn-muted);
    font-size: 0.57rem;
  }

  .cn-mobile-cta > div {
    display: flex;
    align-items: center;
    gap: 6px;
  }

  .cn-mobile-cta a {
    min-height: 43px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 9px 12px;
    border-radius: 10px;
    font-size: 0.66rem;
    font-weight: 900;
    text-align: center;
  }

  .cn-mobile-secondary {
    border: 1px solid var(--cn-line);
    color: var(--cn-text);
  }

  .cn-mobile-primary {
    background: var(--cn-gold);
    color: var(--cn-ink);
  }
}

@media (max-width: 480px) {
  .cn-book-offer {
    grid-template-columns: 1fr;
  }

  .cn-book-cover {
    width: min(150px, 100%);
    height: auto;
    aspect-ratio: 0.7;
    justify-self: center;
  }

  .cn-proof-list {
    grid-template-columns: 1fr;
  }

  .cn-proof-list li {
    display: grid;
    grid-template-columns: 72px 1fr;
    align-items: center;
    gap: 8px;
  }

  .cn-proof-list span {
    margin-top: 0;
    font-size: 0.62rem;
  }

  .cn-mobile-cta > span {
    display: none;
  }

  .cn-mobile-cta > div {
    width: 100%;
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
  }

  .cn-mobile-cta a {
    width: 100%;
  }
}

@media (max-width: 390px) {
  .cn-brand-mark {
    display: none;
  }

  .cn-hero-copy h1 {
    font-size: clamp(3rem, 16vw, 4.2rem);
  }

  .cn-book-shot {
    width: 132px;
  }

  .cn-offer-badge {
    left: 18px;
  }
}

@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;
  }
}