:root {
  color-scheme: light;
  --font-sans: "Anuphan", "Noto Sans Thai", "Leelawadee UI", Tahoma, system-ui, sans-serif;
  --font-display: "Noto Serif Thai", "Thonburi", Georgia, serif;
  --page-max: 1200px;
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 32px;
  --shadow-sm: 0 10px 30px rgb(26 41 32 / 8%);
  --shadow-md: 0 24px 64px rgb(26 41 32 / 12%);
  --space-1: 0.5rem;
  --space-2: 0.75rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;
  --space-7: clamp(4rem, 8vw, 7rem);
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--surface);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
}

body.nav-open {
  overflow: hidden;
}

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

a {
  color: inherit;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.2em;
}

button,
input {
  font: inherit;
}

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

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.75rem;
  left: 0.75rem;
  min-height: 44px;
  padding: 0.65rem 1rem;
  border-radius: 999px;
  color: #fff;
  background: var(--ink);
  transform: translateY(-160%);
  transition: transform 180ms var(--ease);
}

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

.container {
  width: min(calc(100% - 2rem), var(--page-max));
  margin-inline: auto;
}

.section {
  padding-block: var(--space-7);
}

.section--soft {
  background: var(--surface-soft);
}

.section-heading {
  display: grid;
  max-width: 720px;
  gap: 0.65rem;
  margin-bottom: clamp(1.75rem, 4vw, 3rem);
}

.eyebrow {
  margin: 0;
  color: var(--brand-strong);
  font-size: 0.86rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  color: var(--ink-strong);
  font-family: var(--font-display);
  line-height: 1.22;
  text-wrap: balance;
}

h1 {
  max-width: 850px;
  margin-bottom: 1.25rem;
  font-size: clamp(2.5rem, 7vw, 4.25rem);
  letter-spacing: -0.045em;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(1.8rem, 4vw, 3rem);
  letter-spacing: -0.03em;
}

h3 {
  margin-bottom: 0.65rem;
  font-size: clamp(1.2rem, 2vw, 1.45rem);
}

.lede,
.section-heading > p:last-child {
  color: var(--ink-muted);
  font-size: clamp(1.05rem, 2vw, 1.2rem);
}

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  backdrop-filter: blur(18px);
}

.nav-shell {
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 0.75rem;
  color: var(--ink-strong);
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 900;
  text-decoration: none;
}

.brand-copy {
  display: grid;
  line-height: 1.2;
}

.brand-copy small {
  display: none;
  color: var(--ink-muted);
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 650;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 14px;
  color: var(--brand-strong);
  background: var(--brand-soft);
}

.brand-mark svg {
  width: 24px;
  height: 24px;
}

.desktop-nav {
  display: none;
  align-items: center;
  gap: 0.25rem;
}

.desktop-nav a,
.mobile-nav a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  padding: 0.55rem 0.85rem;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
}

.desktop-nav a:hover,
.mobile-nav a:hover {
  color: var(--brand-strong);
  background: var(--brand-soft);
}

.menu-button {
  display: inline-grid;
  width: 48px;
  height: 48px;
  padding: 0;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 15px;
  color: var(--ink-strong);
  background: var(--surface-raised);
  cursor: pointer;
}

.menu-button svg {
  width: 24px;
  height: 24px;
}

.menu-button .icon-close,
.menu-button[aria-expanded="true"] .icon-menu {
  display: none;
}

.menu-button[aria-expanded="true"] .icon-close {
  display: block;
}

.mobile-drawer {
  position: fixed;
  z-index: 60;
  inset: 0;
}

.mobile-drawer[hidden] {
  display: none;
}

.mobile-scrim {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  background: rgb(15 23 42 / 52%);
  cursor: pointer;
}

.mobile-panel {
  position: absolute;
  top: 0;
  right: 0;
  display: grid;
  width: min(88vw, 360px);
  max-width: 100%;
  height: 100dvh;
  align-content: start;
  gap: 1rem;
  overflow-y: auto;
  padding: 1rem;
  border-left: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow-md);
}

.mobile-panel-head {
  display: flex;
  min-height: 52px;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-weight: 850;
}

.mobile-close {
  display: inline-grid;
  width: 48px;
  height: 48px;
  padding: 0;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  color: var(--ink-strong);
  background: var(--surface-raised);
  cursor: pointer;
}

.mobile-close svg {
  width: 24px;
  height: 24px;
}

.mobile-nav {
  display: grid;
  gap: 0.5rem;
}

.mobile-nav a {
  justify-content: space-between;
  border: 1px solid var(--line);
  border-radius: 14px;
}

.hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(3.5rem, 8vw, 7rem);
}

.hero::before {
  position: absolute;
  z-index: -1;
  width: 34rem;
  height: 34rem;
  border-radius: 50%;
  background: var(--hero-glow);
  content: "";
  filter: blur(10px);
  inset: -15rem -16rem auto auto;
}

.hero-grid {
  display: grid;
  align-items: center;
  gap: clamp(2.5rem, 7vw, 6rem);
}

.hero-copy {
  max-width: 700px;
}

.hero-copy .eyebrow {
  display: inline-flex;
  min-height: 36px;
  align-items: center;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--brand-line);
  border-radius: 999px;
  background: var(--brand-soft);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.7rem 1.15rem;
  border: 2px solid transparent;
  border-radius: 999px;
  font-weight: 800;
  text-align: center;
  text-decoration: none;
  transition: transform 200ms var(--ease), box-shadow 200ms var(--ease), background 200ms var(--ease);
}

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

.button:active {
  transform: translateY(0);
  transition-duration: 80ms;
}

.button--primary {
  color: var(--on-brand);
  background: var(--brand);
  box-shadow: 0 12px 24px var(--brand-shadow);
}

.button--primary:hover {
  background: var(--brand-strong);
}

.button--secondary {
  border-color: var(--line-strong);
  color: var(--ink-strong);
  background: var(--surface-raised);
}

.button svg {
  width: 18px;
  height: 18px;
}

.hero-visual {
  position: relative;
  overflow: hidden;
  width: 100%;
  min-width: 0;
  min-height: 0;
  aspect-ratio: 4 / 3;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, var(--brand-soft), var(--accent-soft));
  box-shadow: var(--shadow-md);
}

.hero-visual picture {
  position: absolute;
  display: block;
  inset: 0;
}

.hero-visual img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.topic-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.topic-chip {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  gap: 0.55rem;
  padding: 0.6rem 0.95rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--ink-strong);
  background: var(--surface-raised);
  font-weight: 750;
  text-decoration: none;
  transition: border-color 180ms var(--ease), background 180ms var(--ease);
}

.topic-chip:hover {
  border-color: var(--brand);
  background: var(--brand-soft);
}

.topic-chip svg {
  width: 20px;
  height: 20px;
  color: var(--brand-strong);
}

.topic-grid {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}

.topic-card {
  min-width: 0;
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface-raised);
  scroll-margin-top: 6rem;
}

.topic-card p {
  margin-bottom: 0;
  color: var(--ink-muted);
}

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

.content-card {
  position: relative;
  display: grid;
  grid-template-rows: auto 1fr;
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface-raised);
  box-shadow: var(--shadow-sm);
}

.card-art {
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: linear-gradient(145deg, var(--brand-soft), var(--accent-soft));
}

.card-art picture,
.card-art img {
  display: block;
  width: 100%;
  height: 100%;
}

.card-art img {
  object-fit: cover;
}

.card-body {
  display: grid;
  align-content: start;
  gap: 0.6rem;
  padding: 1.25rem;
}

.card-body p {
  margin-bottom: 0;
  color: var(--ink-muted);
}

.card-kicker {
  color: var(--brand-strong) !important;
  font-size: 0.82rem;
  font-weight: 850;
}

.card-status {
  display: inline-flex;
  width: fit-content;
  min-height: 32px;
  align-items: center;
  margin-top: 0.35rem;
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  color: var(--ink-muted);
  background: var(--surface-soft);
  font-size: 0.82rem;
  font-weight: 750;
}

.card-link,
.path-actions a {
  display: inline-flex;
  width: fit-content;
  min-height: 44px;
  align-items: center;
  gap: 0.45rem;
  color: var(--brand-strong);
  font-weight: 850;
}

.card-link svg,
.path-actions svg {
  width: 18px;
  height: 18px;
}

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

.path-card {
  display: grid;
  gap: 1rem;
  padding: clamp(1.25rem, 4vw, 2rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface-raised);
}

.path-number {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border-radius: 16px;
  color: var(--brand-strong);
  background: var(--brand-soft);
  font-weight: 900;
}

.path-card p {
  margin-bottom: 0;
  color: var(--ink-muted);
}

.path-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1rem;
}

.practical-guide {
  display: grid;
  gap: 1rem;
  margin-top: 1.25rem;
  padding: clamp(1.25rem, 4vw, 2rem);
  border: 1px solid var(--brand-line);
  border-radius: var(--radius-md);
  background: var(--brand-soft);
}

.practical-guide ul {
  display: grid;
  gap: 0.75rem;
  margin: 0;
  padding-left: 1.4rem;
}

.support-note {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  max-width: 720px;
  margin: 1.25rem 0 0;
  padding: 0.85rem 1rem;
  border-left: 4px solid var(--brand);
  color: var(--ink-muted);
  background: var(--surface-soft);
  font-size: 0.92rem;
}

.support-note svg {
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
  color: var(--brand-strong);
}

.newsletter {
  position: relative;
  overflow: hidden;
  padding: clamp(1.5rem, 5vw, 3.5rem);
  border: 1px solid var(--brand-line);
  border-radius: var(--radius-lg);
  color: var(--ink-strong);
  background: linear-gradient(135deg, var(--brand-soft), var(--accent-soft));
}

.newsletter-grid {
  display: grid;
  align-items: center;
  gap: 1.5rem;
}

.newsletter p {
  max-width: 650px;
  margin-bottom: 0;
  color: var(--ink-muted);
}

.signup-form {
  display: grid;
  gap: 0.75rem;
}

.field-label {
  color: var(--ink-strong);
  font-weight: 800;
}

.field-row {
  display: grid;
  gap: 0.75rem;
}

.field-input {
  min-width: 0;
  min-height: 50px;
  padding: 0.75rem 1rem;
  border: 2px solid var(--line-strong);
  border-radius: 999px;
  color: var(--ink-strong);
  background: var(--surface-raised);
}

.field-input[aria-invalid="true"] {
  border-color: var(--danger);
}

.form-note,
.form-status {
  margin: 0;
  font-size: 0.88rem;
}

.form-status[data-state="error"] {
  color: var(--danger);
  font-weight: 750;
}

.form-status[data-state="success"] {
  color: var(--success);
  font-weight: 750;
}

.site-footer {
  padding-block: 3rem 2rem;
  border-top: 1px solid var(--line);
  background: var(--surface-soft);
}

.footer-grid {
  display: grid;
  gap: 2rem;
}

.footer-copy {
  max-width: 560px;
  color: var(--ink-muted);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1rem;
}

.footer-nav a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  font-weight: 700;
}

.footer-meta {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.86rem;
}

.preview-body {
  --ink: #24302a;
  --ink-strong: #111915;
  --ink-muted: #53635a;
  --surface: #f6f8f6;
  --surface-raised: #fff;
  --surface-soft: #edf2ee;
  --line: #dce5df;
  --line-strong: #bbcbbf;
  --brand: #315f4b;
  --brand-strong: #244f3c;
  --brand-soft: #e4f1e9;
  --brand-line: #a7cdb5;
  --accent-soft: #f5eadf;
  --hero-glow: #d7ecde;
  --on-brand: #fff;
  --brand-shadow: rgb(36 79 60 / 20%);
  --focus: #9a4e13;
  --danger: #9b2c2c;
  --success: #1e6a43;
}

.preview-hero {
  padding-block: clamp(3.5rem, 10vw, 7rem) 2rem;
  text-align: center;
}

.preview-hero h1,
.preview-hero .lede {
  margin-inline: auto;
}

.preview-grid {
  display: grid;
  gap: 1.25rem;
  padding-block: 2rem 6rem;
}

.preview-card {
  display: grid;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  color: inherit;
  background: var(--surface-raised);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  transition: transform 200ms var(--ease), box-shadow 200ms var(--ease);
}

.preview-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.preview-card__art {
  display: grid;
  min-height: 220px;
  place-items: center;
  background: var(--card-gradient);
}

.preview-card__art svg {
  width: 94px;
  height: 94px;
  color: var(--card-color);
}

.preview-card__body {
  display: grid;
  gap: 0.75rem;
  padding: clamp(1.25rem, 4vw, 2rem);
}

.preview-card__body p {
  margin-bottom: 0;
  color: var(--ink-muted);
}

@media (min-width: 768px) {
  .container {
    width: min(calc(100% - 4rem), var(--page-max));
  }

  .field-row {
    grid-template-columns: minmax(0, 1fr) auto;
  }

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

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

@media (min-width: 1024px) {
  .desktop-nav {
    display: flex;
  }

  .menu-button,
  .mobile-drawer {
    display: none !important;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(360px, 0.88fr);
  }

  .card-grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  }

  .content-card:first-child {
    grid-row: span 2;
  }

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

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

  .newsletter-grid {
    grid-template-columns: minmax(0, 1fr) minmax(420px, 0.8fr);
  }

  .footer-grid {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: start;
  }
}

@media (min-width: 1180px) {
  .brand-copy small {
    display: block;
  }
}

@media (max-width: 460px) {
  .container {
    width: min(calc(100% - 1.25rem), var(--page-max));
  }

  .hero-actions .button {
    width: 100%;
  }

}

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

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