.coding-page {
  --coding-ink: #142c3e;
  --coding-muted: #506878;
  --coding-surface: #f4f8f7;
  --coding-panel: #e9f1ef;
  --coding-line: #b8cbc7;
  --coding-accent: #a83f1d;
  --coding-accent-hover: #873116;
  --coding-blue: #d8eafa;
  --coding-yellow: #f7e4a3;
  --coding-radius: 16px;
  background: var(--coding-surface);
  color: var(--coding-ink);
  font-family: "Anuphan", "Noto Sans Thai", "Segoe UI", system-ui, sans-serif;
  overflow-x: clip;
}

.coding-page h1,
.coding-page h2,
.coding-page h3,
.coding-page p {
  color: inherit;
}

.coding-page h1,
.coding-page h2,
.coding-page h3 {
  font-family: "Mitr", "Noto Sans Thai", "Segoe UI", system-ui, sans-serif;
}

.coding-hero {
  min-height: min(760px, calc(100dvh - 76px));
  position: relative;
  isolation: isolate;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: #f5f0e6;
  color: #142c3e;
}

.coding-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(90deg, rgba(248, 244, 236, .98) 0%, rgba(248, 244, 236, .93) 34%, rgba(248, 244, 236, .28) 62%, transparent 78%);
  pointer-events: none;
}

.coding-hero__visual,
.coding-hero__image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.coding-hero__visual {
  z-index: -2;
}

.coding-hero__image {
  object-fit: cover;
  object-position: center;
}

.coding-hero__content {
  width: 100%;
  padding-block: clamp(52px, 7vw, 88px);
}

.coding-hero__copy {
  max-width: 680px;
}

.coding-eyebrow {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--coding-accent);
  font-size: 13px;
  font-weight: 850;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.coding-hero h1 {
  max-width: 22ch;
  margin: 0;
  font-size: clamp(44px, 5vw, 58px);
  line-height: .98;
  letter-spacing: -.055em;
}

.coding-hero p {
  max-width: 52ch;
  margin: 24px 0 0;
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.55;
}

.coding-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.coding-actions--center {
  justify-content: center;
  margin-top: 34px;
}

.coding-button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border: 2px solid transparent;
  border-radius: 999px;
  padding: 12px 20px;
  font-weight: 850;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  transition: transform .2s ease, background-color .2s ease, border-color .2s ease;
}

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

.coding-button:active {
  transform: translateY(1px) scale(.98);
}

.coding-button:focus-visible,
.coding-text-link:focus-visible,
.coding-source-links a:focus-visible {
  outline: 3px solid #2f7cb1;
  outline-offset: 3px;
}

.coding-button--primary {
  background: var(--coding-accent);
  color: #fffaf4;
}

.coding-button--primary:hover {
  background: var(--coding-accent-hover);
  color: #fffaf4;
}

.coding-button--secondary {
  border-color: #31546a;
  background: rgba(255, 255, 255, .58);
  color: #163246;
}

.coding-button--secondary:hover {
  background: #fffaf4;
  color: #163246;
}

.coding-button--light {
  background: #fffaf4;
  color: #71301a;
}

.coding-button--light:hover {
  background: #f8e7dc;
  color: #71301a;
}

.coding-facts {
  background: #17384d;
  color: #f3f8f7;
}

.coding-facts__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.coding-facts__grid > div {
  display: grid;
  gap: 3px;
  min-height: 116px;
  align-content: center;
  padding: 20px clamp(18px, 3vw, 38px);
  border-left: 1px solid rgba(255, 255, 255, .18);
}

.coding-facts__grid > div:first-child {
  border-left: 0;
}

.coding-facts strong {
  color: #f8c95d;
  font-size: 35px;
  line-height: 1;
}

.coding-facts span {
  color: #f3f8f7;
  font-size: 14px;
  font-weight: 700;
}

.coding-section {
  padding-block: clamp(58px, 6vw, 82px);
}

.coding-section__intro {
  max-width: 760px;
  margin-bottom: clamp(28px, 4vw, 48px);
}

.coding-section__intro h2,
.coding-pricing__intro h2,
.coding-evidence h2,
.coding-final h2,
.coding-instructor__copy h2 {
  margin: 0;
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.04;
  letter-spacing: -.04em;
}

.coding-section__intro p,
.coding-pricing__intro p,
.coding-evidence p,
.coding-instructor__copy p,
.coding-final p {
  max-width: 66ch;
  margin: 20px 0 0;
  color: var(--coding-muted);
  font-size: 18px;
  line-height: 1.7;
}

.coding-benefit-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.coding-benefits--compact .coding-benefit-grid {
  gap: 0 28px;
}

.coding-benefits--compact .coding-benefit,
.coding-benefits--compact .coding-benefit--wide,
.coding-benefits--compact .coding-benefit--accent {
  min-height: 0;
  padding: 26px 0;
  border: 0;
  border-top: 1px solid var(--coding-line);
  border-radius: 0;
  background: transparent;
}

.coding-benefit {
  min-height: 220px;
  padding: clamp(26px, 4vw, 42px);
  border: 1px solid var(--coding-line);
  border-radius: var(--coding-radius);
  background: var(--coding-panel);
}

.coding-benefit--wide {
  background: #d8eafa;
}

.coding-benefit--accent {
  background: #f6dfd4;
}

.coding-benefit h3,
.coding-game h3,
.coding-chapter h3 {
  margin: 0;
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.12;
  letter-spacing: -.025em;
}

.coding-benefit p,
.coding-game p {
  margin: 18px 0 0;
  color: var(--coding-muted);
  font-size: 16px;
  line-height: 1.65;
}

.coding-curriculum {
  background: #e8efed;
}

.coding-chapters {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 20px;
}

.coding-chapter {
  min-height: 0;
  padding: clamp(28px, 4vw, 46px);
  border-radius: var(--coding-radius);
  background: #dceadf;
}

.coding-chapter--blue {
  background: var(--coding-blue);
}

.coding-chapter--yellow {
  background: var(--coding-yellow);
}

.coding-chapter--dark {
  background: #17384d;
  color: #f3f8f7;
}

.coding-chapter > span,
.coding-trial > span,
.coding-price-options article > span {
  display: block;
  margin-bottom: 18px;
  color: var(--coding-accent);
  font-size: 13px;
  font-weight: 850;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.coding-chapter--dark > span {
  color: #f8c95d;
}

.coding-chapter ol {
  display: grid;
  gap: 15px;
  margin: 28px 0 0;
  padding-left: 25px;
}

.coding-chapter li {
  padding-left: 8px;
  color: inherit;
  font-weight: 700;
  line-height: 1.45;
}

.coding-chapter li::marker {
  color: var(--coding-accent);
  font-weight: 900;
}

.coding-chapter--dark li::marker {
  color: #f8c95d;
}

.coding-game-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  align-items: stretch;
}

.coding-game {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--coding-line);
  border-radius: var(--coding-radius);
  background: var(--coding-panel);
}

.coding-game__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: clamp(26px, 4vw, 40px);
}

.coding-game__media {
  display: grid;
  aspect-ratio: 16 / 9;
  place-items: center;
  padding: clamp(24px, 4vw, 42px);
}

.coding-game__media--maze {
  background: linear-gradient(145deg, #d8edfa, #dceadf);
}

.coding-game__media--catdog {
  background: #12283a;
}

.coding-game__media img {
  width: min(78%, 420px);
  max-height: 220px;
  height: auto;
  object-fit: contain;
}

.coding-game__media--maze img {
  width: min(52%, 220px);
}

.coding-game__summary {
  margin-bottom: 0 !important;
}

.coding-game__facts {
  display: grid;
  gap: 0;
  margin: 26px 0 0;
}

.coding-game__facts > div {
  display: grid;
  grid-template-columns: minmax(82px, .28fr) 1fr;
  gap: 18px;
  padding-block: 15px;
  border-top: 1px solid var(--coding-line);
}

.coding-game__facts dt {
  color: var(--coding-accent);
  font-weight: 850;
}

.coding-game__facts dd {
  margin: 0;
  color: var(--coding-muted);
  line-height: 1.55;
}

.coding-game__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 20px;
  align-items: center;
  margin-top: auto;
  padding-top: 28px;
}

.coding-text-link {
  display: inline-block;
  margin: 0;
  color: var(--coding-accent);
  font-weight: 850;
  text-underline-offset: 5px;
}

.coding-project-hero {
  padding-block: clamp(34px, 6vw, 78px) clamp(58px, 8vw, 108px);
  background: #eef4f2;
}

.coding-project-hero--catdog {
  background: #e8eef1;
}

.coding-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  align-items: center;
  margin-bottom: clamp(34px, 5vw, 64px);
  color: var(--coding-muted);
  font-size: 14px;
  font-weight: 750;
}

.coding-breadcrumb a {
  color: var(--coding-accent);
  text-underline-offset: 4px;
}

.coding-project-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(360px, .98fr);
  gap: clamp(42px, 8vw, 110px);
  align-items: center;
}

.coding-project-hero h1 {
  max-width: 15ch;
  margin: 0;
  font-size: clamp(44px, 6vw, 76px);
  line-height: .98;
  letter-spacing: -.05em;
}

.coding-project-hero p {
  max-width: 58ch;
  margin: 24px 0 0;
  color: var(--coding-muted);
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.65;
}

.coding-project-hero__media {
  overflow: hidden;
  border: 1px solid var(--coding-line);
  border-radius: var(--coding-radius);
  background: #dceadf;
}

.coding-project-hero__media img {
  display: block;
  width: 100%;
  height: auto;
}

.coding-project-hero__media--logo {
  display: grid;
  min-height: 420px;
  place-items: center;
  padding: clamp(32px, 6vw, 70px);
  background: #12283a;
}

.coding-project-hero__media--logo img {
  width: min(100%, 560px);
}

.coding-project-section {
  padding-block: clamp(64px, 8vw, 108px);
}

.coding-project-section--tint {
  background: #e4ecea;
}

.coding-project-overview {
  display: grid;
  grid-template-columns: minmax(280px, .8fr) minmax(0, 1.2fr);
  gap: clamp(44px, 9vw, 130px);
  align-items: start;
}

.coding-project-heading {
  max-width: 760px;
  margin-bottom: clamp(34px, 5vw, 58px);
}

.coding-project-overview h2,
.coding-project-heading h2,
.coding-project-why h2 {
  margin: 0;
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.04;
  letter-spacing: -.04em;
}

.coding-project-heading p,
.coding-project-why p {
  max-width: 66ch;
  margin: 20px 0 0;
  color: var(--coding-muted);
  font-size: 18px;
  line-height: 1.7;
}

.coding-project-prose p {
  margin: 0 0 22px;
  color: var(--coding-muted);
  font-size: 18px;
  line-height: 1.75;
}

.coding-project-specs {
  margin: 0;
  border-top: 1px solid var(--coding-line);
}

.coding-project-specs > div {
  display: grid;
  grid-template-columns: minmax(170px, .34fr) 1fr;
  gap: clamp(24px, 5vw, 70px);
  padding-block: 24px;
  border-bottom: 1px solid var(--coding-line);
}

.coding-project-specs dt {
  color: var(--coding-accent);
  font-weight: 850;
}

.coding-project-specs dd {
  max-width: 70ch;
  margin: 0;
  color: var(--coding-muted);
  line-height: 1.7;
}

.coding-project-process {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  gap: clamp(46px, 9vw, 130px);
}

.coding-project-process ol {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: project-step;
}

.coding-project-process li {
  position: relative;
  display: grid;
  gap: 7px;
  padding: 20px 0 20px 58px;
  border-top: 1px solid var(--coding-line);
  counter-increment: project-step;
}

.coding-project-process li:last-child {
  border-bottom: 1px solid var(--coding-line);
}

.coding-project-process li::before {
  content: counter(project-step, decimal-leading-zero);
  position: absolute;
  top: 20px;
  left: 0;
  color: var(--coding-accent);
  font-weight: 900;
}

.coding-project-process li span {
  color: var(--coding-muted);
  line-height: 1.6;
}

.coding-project-why {
  background: #dbe8e5;
}

.coding-project-why .container {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: clamp(34px, 7vw, 96px);
  align-items: end;
}

.coding-project-why .coding-button {
  margin-bottom: 8px;
}

.coding-instructor {
  background: #e8efed;
}

.coding-instructor__grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: clamp(40px, 8vw, 110px);
  align-items: center;
}

.coding-instructor__art {
  display: grid;
  min-height: 360px;
  place-items: center;
  overflow: hidden;
  border-radius: var(--coding-radius);
  background: #fff;
}

.coding-instructor__logo {
  width: min(88%, 480px);
  height: auto;
}

.coding-instructor__portrait {
  align-items: end;
  background: linear-gradient(145deg, #d7e8f2, #e8efed);
}

.coding-instructor__photo {
  width: min(92%, 520px);
  height: auto;
  max-height: 620px;
  object-fit: contain;
  object-position: bottom;
}

.coding-pricing__intro {
  max-width: 760px;
}

.coding-price-layout {
  display: grid;
  grid-template-columns: .72fr 1.28fr;
  gap: 22px;
  margin-top: 48px;
}

.coding-trial,
.coding-price-options article {
  border-radius: var(--coding-radius);
  padding: clamp(28px, 4vw, 44px);
}

.coding-trial {
  background: #17384d;
  color: #f3f8f7;
}

.coding-trial {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.coding-button--trial {
  margin-top: 28px;
}

.coding-trial > span {
  color: #f8c95d;
}

.coding-trial strong,
.coding-price-options strong {
  display: block;
  font-size: clamp(30px, 4vw, 47px);
  line-height: 1.05;
}

.coding-trial p,
.coding-price-options p {
  margin: 20px 0 0;
  color: inherit;
  line-height: 1.65;
}

.coding-price-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.coding-price-options article {
  border: 1px solid var(--coding-line);
  background: var(--coding-panel);
}

.coding-price-options__package {
  background: #f6dfd4 !important;
}

.coding-price-options h3 {
  margin: 0 0 14px;
  font-size: 23px;
}

.coding-evidence {
  background: #dbe8e5;
}

.coding-evidence__lead {
  max-width: 66ch;
}

.coding-evidence__details {
  margin-top: 28px;
  border-top: 1px solid var(--coding-line);
  border-bottom: 1px solid var(--coding-line);
}

.coding-evidence__details summary {
  cursor: pointer;
  padding: 18px 0;
  font-weight: 850;
}

.coding-evidence__content {
  padding: 0 0 22px;
}

.coding-evidence__content p {
  margin-top: 0;
}

.coding-source-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 22px;
  margin-top: 34px;
}

.coding-source-links a {
  color: var(--coding-accent);
  font-weight: 800;
  text-underline-offset: 4px;
}

.coding-final {
  padding-block: clamp(64px, 9vw, 110px);
  background: var(--coding-accent);
  color: #fffaf4;
}

.coding-final .container {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 36px;
  align-items: center;
}

.coding-final p {
  color: #fffaf4;
}

@media (prefers-color-scheme: dark) {
  .site-header {
    background: rgba(16, 36, 48, .94);
    border-color: rgba(232, 241, 242, .16);
  }

  .site-header .brand-text span {
    color: #bacbd0;
  }

  .lang-toggle {
    border-color: #3d5962;
    background: #17323f;
    color: #e8f1f2;
  }

  .menu-toggle span {
    background: #e8f1f2;
  }

  .main-nav {
    background: #102430;
  }

  .coding-page {
    --coding-ink: #e8f1f2;
    --coding-muted: #bacbd0;
    --coding-surface: #102430;
    --coding-panel: #17323f;
    --coding-line: #3d5962;
    --coding-accent: #dc7046;
    --coding-accent-hover: #c35c35;
    --coding-blue: #1d4052;
    --coding-yellow: #5a4c25;
  }

  .coding-hero {
    background: #102430;
    color: #e8f1f2;
  }

  .coding-hero::after {
    background: linear-gradient(90deg, rgba(16, 36, 48, .98) 0%, rgba(16, 36, 48, .92) 34%, rgba(16, 36, 48, .36) 62%, transparent 78%);
  }

  .coding-button--secondary {
    border-color: #9ab0b9;
    background: rgba(16, 36, 48, .72);
    color: #e8f1f2;
  }

  .coding-button--secondary:hover {
    background: #17323f;
    color: #e8f1f2;
  }

  .coding-benefit--wide,
  .coding-benefit--accent,
  .coding-curriculum,
  .coding-instructor,
  .coding-evidence,
  .coding-project-hero,
  .coding-project-hero--catdog,
  .coding-project-section--tint,
  .coding-project-why {
    background: #162f3b;
  }

  .coding-chapter,
  .coding-price-options__package {
    background: #214136 !important;
  }

  .coding-chapter--blue {
    background: var(--coding-blue) !important;
  }

  .coding-chapter--yellow {
    background: var(--coding-yellow) !important;
  }

  .coding-instructor__art {
    background: #e8ece9;
  }

  .coding-instructor__portrait {
    background: #d7e8f2;
  }

  .coding-evidence__details {
    border-color: #3d5962;
  }

  .site-footer {
    background: #0d1e28;
  }

  .coding-button--primary,
  .coding-button--primary:hover {
    color: #17212a;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .coding-hero__copy {
    animation: coding-rise .7s cubic-bezier(.16, 1, .3, 1) both;
  }

  .coding-hero__image {
    animation: coding-image-in 1s cubic-bezier(.16, 1, .3, 1) both;
  }
}

@keyframes coding-rise {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes coding-image-in {
  from { opacity: .6; transform: scale(1.025); }
  to { opacity: 1; transform: scale(1); }
}

@media (min-width: 901px) {
  .coding-hero__copy {
    margin-inline-start: clamp(44px, 5vw, 72px);
  }

  .coding-project-hero__grid > div:first-child {
    padding-inline-start: clamp(32px, 4vw, 56px);
  }
}

@media (max-width: 900px) {
  .coding-hero {
    min-height: auto;
    display: grid;
  }

  .coding-hero::after {
    display: none;
  }

  .coding-hero__content {
    order: 1;
    padding-block: 48px 36px;
  }

  .coding-hero__visual,
  .coding-hero__image {
    position: static;
  }

  .coding-hero__visual {
    order: 2;
    height: min(66vw, 520px);
  }

  .coding-hero__image {
    object-position: 75% center;
  }

  .coding-hero h1 {
    max-width: 16ch;
    font-size: clamp(42px, 10vw, 64px);
  }

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

  .coding-facts__grid > div:nth-child(3) {
    border-left: 0;
    border-top: 1px solid rgba(255, 255, 255, .18);
  }

  .coding-facts__grid > div:nth-child(4) {
    border-top: 1px solid rgba(255, 255, 255, .18);
  }

  .coding-game-grid,
  .coding-instructor__grid,
  .coding-price-layout,
  .coding-final .container,
  .coding-project-hero__grid,
  .coding-project-overview,
  .coding-project-process,
  .coding-project-why .container {
    grid-template-columns: 1fr;
  }

  .coding-project-hero__media {
    width: min(100%, 620px);
  }

  .coding-project-hero__media--logo {
    min-height: 340px;
  }

  .coding-instructor__art {
    min-height: 380px;
  }

  .coding-final .container {
    justify-items: start;
  }
}

@media (max-width: 767px) {
  .coding-section {
    padding-block: 56px;
  }

  .coding-benefit-grid,
  .coding-chapters,
  .coding-price-options {
    grid-template-columns: 1fr;
  }

  .coding-benefit,
  .coding-benefit--wide,
  .coding-benefit--accent {
    grid-column: auto;
    min-height: 0;
  }

  .coding-chapter,
  .coding-chapter--blue,
  .coding-chapter--yellow {
    min-height: 0;
    margin-top: 0;
  }

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

  .coding-button {
    width: 100%;
  }

  .coding-game__facts > div,
  .coding-project-specs > div {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .coding-game__actions {
    align-items: stretch;
    flex-direction: column;
  }

  .coding-game__actions .coding-text-link {
    min-height: 44px;
    align-content: center;
    text-align: center;
  }

  .coding-project-hero__media--logo {
    min-height: 260px;
  }
}

@media (max-width: 480px) {
  .coding-facts__grid > div {
    min-height: 104px;
    padding-inline: 15px;
  }

  .coding-facts strong {
    font-size: 30px;
  }

  .coding-facts span {
    font-size: 12px;
  }

  .coding-hero__visual {
    height: 74vw;
  }

  .coding-instructor__art {
    min-height: 320px;
  }
}