:root {
  --ink: #141816;
  --ink-2: #1c2320;
  --paper: #f3efe6;
  --paper-2: #e9e3d6;
  --cream: #f7f4ed;
  --fg: #1c211f;
  --muted: #5e6863;
  --subtle: #7a847e;
  --accent: #2f5d55;
  --accent-hover: #264e47;
  --accent-fg: #f3efe6;
  --mist: #d5ddd8;
  --line: #c9c2b2;
  --display: "Cormorant Garamond", ui-serif, Georgia, "Times New Roman", serif;
  --sans: "Outfit", ui-sans-serif, system-ui, sans-serif;
  --wrap: 72rem;
}

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

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.6;
}

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

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

h1,
h2,
h3,
h4 {
  font-family: var(--display);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.15;
  text-wrap: balance;
  margin: 0;
}

p {
  text-wrap: pretty;
}

button,
[role="button"] {
  cursor: pointer;
  font-family: inherit;
}

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

.wrap {
  width: min(100% - 2rem, var(--wrap));
  margin-inline: auto;
}

.wrap-wide {
  width: min(100%, var(--wrap));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid color-mix(in srgb, var(--line) 70%, transparent);
  background: color-mix(in srgb, var(--paper) 90%, transparent);
  backdrop-filter: blur(12px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: 4.25rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  min-height: 44px;
}

.brand-name {
  display: block;
  font-family: var(--display);
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.brand-sub {
  display: none;
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.nav-desk {
  display: none;
  gap: 0.15rem;
}

.nav-desk a {
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  letter-spacing: 0.01em;
  color: var(--muted);
}

.nav-desk a:hover,
.nav-desk a.is-active {
  color: var(--accent);
}

.nav-desk a.is-active {
  color: var(--accent);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-toggle {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.menu-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: none;
  border: 0;
  color: var(--fg);
}

.menu-btn .icon-x {
  display: none;
}

.nav-toggle:checked ~ .header-inner .icon-menu {
  display: none;
}

.nav-toggle:checked ~ .header-inner .icon-x {
  display: block;
}

.nav-mobile {
  display: none;
  border-top: 1px solid var(--line);
  background: var(--paper);
}

.nav-toggle:checked ~ .nav-mobile {
  display: block;
}

.nav-mobile nav {
  width: min(100% - 2rem, var(--wrap));
  margin: 0 auto;
  padding: 0.75rem 0 1rem;
  display: flex;
  flex-direction: column;
}

.nav-mobile a {
  display: flex;
  align-items: center;
  min-height: 48px;
  border-bottom: 1px solid color-mix(in srgb, var(--line) 70%, transparent);
}

.nav-mobile .btn-block {
  margin-top: 0.75rem;
  justify-content: center;
  border: 0;
}

@media (min-width: 640px) {
  .brand-sub {
    display: block;
  }
}

@media (min-width: 1024px) {
  .nav-desk {
    display: flex;
  }
  .menu-btn,
  .nav-mobile {
    display: none !important;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 44px;
  padding: 0 1.25rem;
  border: 0;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: background-color 150ms ease, color 150ms ease, border-color 150ms ease, transform 150ms ease;
}

.btn:active {
  transform: scale(0.96);
}

.btn-lg {
  min-height: 48px;
  padding: 0 1.5rem;
}

.btn-primary {
  background: var(--accent);
  color: var(--accent-fg);
}

.btn-primary:hover {
  background: var(--accent-hover);
}

.btn-ink {
  background: var(--ink);
  color: var(--paper);
}

.btn-paper {
  background: var(--paper);
  color: var(--fg);
}

.btn-ghost {
  background: transparent;
  color: var(--paper);
  border: 1px solid color-mix(in srgb, var(--paper) 20%, transparent);
}

.btn-ghost:hover {
  background: color-mix(in srgb, var(--paper) 10%, transparent);
}

.btn-outline {
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--line);
}

.btn-outline:hover {
  background: var(--paper-2);
}

.btn-block {
  background: var(--accent);
  color: var(--accent-fg);
}

/* Hero */
.hero {
  background: var(--ink);
  color: var(--paper);
  border-bottom: 1px solid var(--ink);
}

.hero-home {
  position: relative;
  overflow: hidden;
}

.hero-home img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.45;
}

.hero-home .hero-scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--ink) 0%, color-mix(in srgb, var(--ink) 80%, transparent) 55%, color-mix(in srgb, var(--ink) 45%, transparent) 100%);
}

.hero-inner {
  position: relative;
  width: min(100% - 2rem, var(--wrap));
  margin-inline: auto;
  padding: 5rem 0;
}

.hero-home .hero-inner {
  padding: 5.5rem 0 7rem;
}

.eyebrow {
  margin: 0;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero .eyebrow {
  color: var(--mist);
}

.hero h1 {
  margin-top: 1rem;
  max-width: 46rem;
  font-size: clamp(2.1rem, 4vw, 3.35rem);
}

.hero-home h1 {
  font-size: clamp(2.25rem, 5vw, 3.75rem);
}

.hero .lead {
  margin: 1.5rem 0 0;
  max-width: 40rem;
  color: color-mix(in srgb, var(--paper) 70%, transparent);
  font-size: 1.0625rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2.25rem;
}

/* Stats */
.stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border-bottom: 1px solid var(--line);
}

.stat {
  background: var(--paper);
  padding: 2rem 1.25rem;
}

.stat strong {
  display: block;
  font-family: var(--display);
  font-size: 2rem;
  font-weight: 500;
  color: var(--accent);
}

.stat span {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

@media (min-width: 640px) {
  .stats {
    grid-template-columns: repeat(4, 1fr);
    width: min(100%, var(--wrap));
    margin-inline: auto;
  }
}

/* Sections */
.section {
  padding: 5rem 0;
}

.section-cream {
  background: var(--cream);
  border-block: 1px solid var(--line);
}

.section-head {
  max-width: 36rem;
}

.section-head h2 {
  margin-top: 0.75rem;
  font-size: clamp(1.75rem, 3vw, 2.25rem);
}

.section-head .lead,
.muted {
  color: var(--muted);
}

.section-head .lead {
  margin-top: 1rem;
}

.grid-3 {
  display: grid;
  gap: 1.5rem;
  margin-top: 3rem;
}

.grid-2 {
  display: grid;
  gap: 2.5rem;
}

@media (min-width: 768px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
  .grid-2 {
    grid-template-columns: 1fr 1fr;
  }
}

.split {
  display: grid;
}

.split img {
  width: 100%;
  height: 18rem;
  object-fit: cover;
}

@media (min-width: 1024px) {
  .split {
    grid-template-columns: 1fr 1fr;
    align-items: stretch;
  }
  .split img {
    height: 100%;
    min-height: 28rem;
  }
}

.split-copy {
  padding: 4rem 1.25rem;
}

@media (min-width: 640px) {
  .split-copy {
    padding: 4.5rem 2.5rem;
  }
}

.card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  background: var(--cream);
  padding: 1.75rem;
}

.card h3,
.rule-card h3,
.audience h3 {
  font-size: 1.5rem;
  margin-top: 0.75rem;
}

.card p,
.rule-card p,
.audience p,
.session p {
  margin: 0.75rem 0 0;
  font-size: 0.9375rem;
  color: var(--muted);
}

.card .more {
  margin-top: 1.5rem;
  color: var(--accent);
  font-size: 0.875rem;
}

.n {
  font-family: var(--display);
  color: var(--accent);
  font-size: 0.95rem;
}

.rule-card {
  border-top: 1px solid var(--line);
  padding-top: 1.5rem;
}

.list-plain {
  list-style: none;
  margin: 2.5rem 0 0;
  padding: 0;
}

.list-plain li {
  border-top: 1px solid var(--line);
  padding: 1.25rem 0 0;
  margin-top: 1.25rem;
}

.list-plain h3 {
  font-size: 1.25rem;
}

.steps {
  list-style: none;
  margin: 2.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 1.25rem;
  font-size: 0.9375rem;
  color: var(--muted);
}

.steps li {
  display: flex;
  gap: 1rem;
}

.steps strong {
  color: var(--fg);
}

.cta-ink {
  background: var(--ink);
  color: var(--paper);
  border-top: 1px solid var(--ink);
}

.cta-ink .split-copy,
.cta-ink .wrap {
  padding-block: 4rem;
}

.cta-ink h2 {
  margin-top: 1rem;
  font-size: clamp(1.75rem, 3vw, 2.25rem);
}

.cta-ink p {
  color: color-mix(in srgb, var(--paper) 70%, transparent);
  max-width: 28rem;
}

/* Curriculum modules */
.modules {
  list-style: none;
  margin: 3rem 0 0;
  padding: 0;
  border-block: 1px solid var(--line);
}

.modules li {
  display: grid;
  gap: 1rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--line);
}

.modules li:last-child {
  border-bottom: 0;
}

.meta {
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--subtle);
  margin-top: 0.5rem;
}

.topics {
  display: grid;
  gap: 0.5rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  font-size: 0.875rem;
}

.topics li::before {
  content: "— ";
  color: var(--accent);
}

@media (min-width: 1024px) {
  .modules li {
    grid-template-columns: 4fr 8fr;
    gap: 2rem;
  }
  .topics {
    grid-template-columns: 1fr 1fr;
  }
}

/* Domain tabs — radio, no JS required */
input[name="domain"] {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 2rem;
}

.tabs input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.tabs label {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 1rem;
  border: 1px solid var(--line);
  background: var(--cream);
  font-size: 0.875rem;
  cursor: pointer;
}

.panel {
  display: none;
  margin-top: 2rem;
  border: 1px solid var(--line);
  background: var(--cream);
  padding: 2rem;
}

#tab-nutrition:checked ~ .tabs label[for="tab-nutrition"],
#tab-acupuncture:checked ~ .tabs label[for="tab-acupuncture"],
#tab-respiratory:checked ~ .tabs label[for="tab-respiratory"],
#tab-reflex:checked ~ .tabs label[for="tab-reflex"],
#tab-general:checked ~ .tabs label[for="tab-general"] {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

#tab-nutrition:checked ~ #panel-nutrition,
#tab-acupuncture:checked ~ #panel-acupuncture,
#tab-respiratory:checked ~ #panel-respiratory,
#tab-reflex:checked ~ #panel-reflex,
#tab-general:checked ~ #panel-general {
  display: block;
}

.panel-top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: flex-end;
}

.study {
  display: grid;
  gap: 0.5rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.study li {
  border-top: 1px solid var(--line);
  padding-top: 0.75rem;
  font-size: 0.875rem;
}

@media (min-width: 640px) {
  .study {
    grid-template-columns: 1fr 1fr;
  }
}

/* Checklist */
.check-box {
  border: 1px solid var(--line);
  background: var(--cream);
  padding: 1.75rem;
}

.check-top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: flex-end;
}

.check-list {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.check-list button {
  display: flex;
  width: 100%;
  min-height: 48px;
  gap: 0.75rem;
  align-items: flex-start;
  text-align: left;
  padding: 0.75rem;
  border: 1px solid var(--line);
  background: var(--paper);
  font-size: 0.875rem;
  color: var(--fg);
}

.check-list button.is-on {
  border-color: color-mix(in srgb, var(--accent) 30%, var(--line));
  background: color-mix(in srgb, var(--mist) 60%, var(--paper));
}

.tick {
  flex: 0 0 16px;
  width: 16px;
  height: 16px;
  margin-top: 2px;
  border: 1px solid var(--line);
  background: var(--cream);
}

.is-on .tick {
  border-color: var(--accent);
  background: var(--accent);
  box-shadow: inset 0 0 0 3px var(--accent-fg);
}

/* FAQ */
.faq {
  border-block: 1px solid var(--line);
}

.faq details {
  border-bottom: 1px solid var(--line);
}

.faq details:last-child {
  border-bottom: 0;
}

.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 56px;
  padding: 1rem 0;
  cursor: pointer;
  font-family: var(--display);
  font-size: 1.25rem;
  font-weight: 500;
  list-style: none;
}

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

.faq summary::after {
  content: "";
  width: 0.5rem;
  height: 0.5rem;
  border-right: 1.5px solid var(--muted);
  border-bottom: 1.5px solid var(--muted);
  transform: rotate(45deg);
  transition: transform 150ms ease;
  flex: 0 0 auto;
}

.faq details[open] summary::after {
  transform: rotate(225deg);
}

.faq details p {
  margin: 0 0 1.25rem;
  font-size: 0.9375rem;
  color: var(--muted);
}

/* Form */
.form-grid {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .form-2 {
    grid-template-columns: 1fr 1fr;
  }
}

label.field {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

label.field input,
label.field select,
label.field textarea {
  display: block;
  width: 100%;
  margin-top: 0.4rem;
  height: 44px;
  border: 1px solid var(--line);
  background: var(--cream);
  color: var(--fg);
  padding: 0 0.75rem;
  font: inherit;
  font-size: 0.875rem;
}

label.field textarea {
  height: auto;
  min-height: 8rem;
  padding: 0.75rem;
}

label.field input:focus,
label.field select:focus,
label.field textarea:focus {
  outline: 2px solid color-mix(in srgb, var(--accent) 20%, transparent);
  border-color: var(--accent);
}

.check-row {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.875rem;
  color: var(--muted);
}

.check-row input {
  margin-top: 0.3rem;
  accent-color: var(--accent);
}

.form-done {
  display: none;
  border: 1px solid var(--line);
  background: var(--cream);
  padding: 2.5rem 2rem;
}

.form-done.is-visible,
form.is-hidden {
  /* toggled in JS */
}

.form-done.is-visible {
  display: block;
}

form.is-hidden {
  display: none;
}

aside .panel-card {
  border: 1px solid var(--line);
  background: var(--cream);
  padding: 2rem;
}

dl {
  margin: 2rem 0 0;
}

dt {
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--subtle);
}

dd {
  margin: 0.25rem 0 1.25rem;
}

.prose-lg {
  max-width: 48rem;
  margin-inline: auto;
}

.prose-lg .display {
  font-family: var(--display);
  font-size: clamp(1.5rem, 3vw, 1.875rem);
  line-height: 1.3;
}

.texts {
  list-style: none;
  margin: 3rem 0 0;
  padding: 0;
  border-block: 1px solid var(--line);
}

.texts li {
  display: grid;
  gap: 0.5rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--line);
}

.texts li:last-child {
  border-bottom: 0;
}

.texts h3 {
  font-size: 1.25rem;
}

.texts .author {
  color: var(--accent);
  font-size: 0.875rem;
  margin: 0.25rem 0 0;
}

@media (min-width: 640px) {
  .texts li {
    grid-template-columns: 7fr 5fr;
    gap: 1.5rem;
  }
}

.req-grid {
  display: grid;
  gap: 1.5rem;
  margin-top: 3rem;
}

@media (min-width: 768px) {
  .req-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.req-grid article {
  border: 1px solid var(--line);
  background: var(--cream);
  padding: 1.75rem;
}

.req-grid h3 {
  margin-top: 0.5rem;
  font-size: 1.5rem;
}

.path-grid {
  display: grid;
  gap: 2.5rem;
}

@media (min-width: 1024px) {
  .path-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.mark {
  width: 2.25rem;
  height: 2.25rem;
  flex: 0 0 auto;
}

.mark-inv {
  color: var(--paper);
}

.mark-acc {
  color: var(--accent);
}

/* Footer */
.site-footer {
  background: var(--ink);
  color: var(--paper);
}

.footer-grid {
  display: grid;
  gap: 2.5rem;
  padding: 4rem 0;
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 5fr 3fr 4fr;
    gap: 3rem;
  }
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--display);
  font-size: 1.5rem;
}

.site-footer p {
  color: color-mix(in srgb, var(--paper) 70%, transparent);
}

.kicker {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--paper) 45%, transparent);
  margin: 0 0 1rem;
}

.site-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-footer li {
  margin: 0.4rem 0;
}

.site-footer a:hover {
  color: var(--paper);
}

.legal {
  border-top: 1px solid color-mix(in srgb, var(--paper) 10%, transparent);
  padding: 1.25rem 0;
  font-size: 0.75rem;
  color: color-mix(in srgb, var(--paper) 40%, transparent);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

@media (min-width: 640px) {
  .legal {
    flex-direction: row;
    justify-content: space-between;
  }
}

.row-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 3rem;
}

.note {
  font-size: 0.8125rem;
  color: var(--subtle);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .btn {
    transition: none;
  }
}