:root {
  --ink: #242321;
  --muted: #66625c;
  --line: #d9d1c5;
  --paper: #fbfaf6;
  --soft: #f0eee8;
  --brand: #98683b;
  --brand-dark: #63442c;
  --sage: #60715d;
  --sage-soft: #e7ede5;
  --white: #fff;
  --charcoal: #2d302e;
  --shadow: 0 18px 44px rgba(35, 31, 27, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

body[lang^="zh"],
html[lang^="zh"] body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Inter, sans-serif;
}

a {
  color: inherit;
}

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

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 100;
  padding: 10px 14px;
  color: var(--white);
  background: var(--charcoal);
  transform: translateY(-160%);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(217, 209, 197, 0.82);
  background: rgba(251, 250, 246, 0.94);
  backdrop-filter: blur(16px);
}

.nav {
  width: min(1160px, calc(100% - 32px));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 12px;
  color: inherit;
  text-decoration: none;
}

.brand img {
  width: 48px;
  height: 48px;
  border: 1px solid var(--line);
  border-radius: 6px;
  object-fit: cover;
}

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

.brand-copy strong {
  overflow: hidden;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 20px;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.brand-copy span {
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
  color: var(--muted);
  font-size: 14px;
}

.nav-links a {
  text-decoration: none;
}

.nav-links a:hover {
  color: var(--brand-dark);
}

.mobile-label {
  display: none;
}

.button {
  min-height: 44px;
  padding: 0 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 700;
  text-align: center;
  text-decoration: none;
  transition: transform 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button:focus-visible,
summary:focus-visible,
a:focus-visible {
  outline: 3px solid rgba(152, 104, 59, 0.32);
  outline-offset: 3px;
}

.button-primary {
  color: var(--white);
  background: var(--brand-dark);
  box-shadow: 0 10px 22px rgba(99, 68, 44, 0.22);
}

.button-primary:hover {
  background: #533821;
}

.button-secondary {
  color: var(--brand-dark);
  border-color: var(--line);
  background: var(--white);
}

.eft-hero {
  min-height: min(78svh, 720px);
  position: relative;
  display: flex;
  align-items: flex-end;
  color: var(--white);
  background: url("/assets/hero-room.jpg") center 46% / cover no-repeat;
}

.eft-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(24, 28, 25, 0.58);
}

.hero-inner {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
  padding: 88px 0 72px;
  position: relative;
  z-index: 1;
}

.hero-copy {
  width: min(710px, 100%);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--brand-dark);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.eft-hero .eyebrow {
  color: #f1dfc6;
}

h1,
h2,
h3 {
  margin-top: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 500;
  line-height: 1.08;
}

h1 {
  margin-bottom: 22px;
  font-size: clamp(42px, 7vw, 76px);
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(32px, 4.5vw, 52px);
}

h3 {
  margin-bottom: 10px;
  font-size: 25px;
}

.hero-lead {
  margin: 0;
  max-width: 690px;
  font-size: clamp(18px, 2.4vw, 23px);
}

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

.eft-hero .button-primary {
  color: var(--charcoal);
  background: var(--white);
  box-shadow: none;
}

.eft-hero .button-secondary {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.62);
  background: rgba(28, 30, 28, 0.36);
}

.fact-band {
  color: var(--white);
  background: var(--charcoal);
}

.facts {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
  padding: 20px 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.fact {
  min-height: 58px;
  padding: 2px 26px;
  display: grid;
  align-content: center;
  border-left: 1px solid rgba(255, 255, 255, 0.18);
}

.fact:first-child {
  padding-left: 0;
  border-left: 0;
}

.fact strong {
  font-size: 14px;
}

.fact span {
  color: #d6d8d5;
  font-size: 13px;
}

.section {
  padding: 80px 0;
}

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

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

.section.dark {
  color: var(--white);
  background: var(--charcoal);
}

.container {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(360px, 1.18fr);
  gap: 64px;
  align-items: start;
}

.lede {
  margin-top: 0;
  color: var(--muted);
  font-size: 19px;
}

.dark .lede,
.dark .section-intro {
  color: #d6d8d5;
}

.prose {
  max-width: 760px;
}

.prose p:first-child {
  margin-top: 0;
}

.statement {
  margin: 26px 0 0;
  padding: 22px 0 0;
  border-top: 1px solid var(--line);
  color: var(--brand-dark);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 24px;
}

.section-head {
  width: min(760px, 100%);
  margin-bottom: 34px;
}

.section-intro {
  margin: 0;
  color: var(--muted);
  font-size: 18px;
}

.principles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.principle {
  padding: 28px;
  border-left: 1px solid var(--line);
}

.principle:first-child {
  padding-left: 0;
  border-left: 0;
}

.principle-number {
  display: block;
  margin-bottom: 28px;
  color: var(--brand);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 34px;
}

.principle p {
  margin-bottom: 0;
  color: var(--muted);
}

.session-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.88fr);
  gap: 56px;
  align-items: center;
}

.session-photo {
  margin: 0;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border-radius: 6px;
  box-shadow: var(--shadow);
}

.session-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.steps {
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.steps li {
  padding: 18px 0 18px 44px;
  position: relative;
  border-top: 1px solid var(--line);
}

.steps li::before {
  content: attr(data-step);
  position: absolute;
  top: 18px;
  left: 0;
  color: var(--brand);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 23px;
}

.steps strong {
  display: block;
  margin-bottom: 4px;
}

.steps span {
  color: var(--muted);
}

.support-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid rgba(255, 255, 255, 0.22);
}

.support-item {
  padding: 26px 32px 26px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.22);
}

.support-item:nth-child(even) {
  padding-left: 32px;
  border-left: 1px solid rgba(255, 255, 255, 0.22);
}

.support-item h3 {
  font-family: inherit;
  font-size: 18px;
  font-weight: 750;
}

.support-item p {
  margin-bottom: 0;
  color: #d6d8d5;
}

.approach {
  padding: 34px;
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(300px, 1fr);
  gap: 42px;
  align-items: center;
  border: 1px solid #cbd5c8;
  border-radius: 8px;
  background: var(--white);
}

.approach h2 {
  margin: 0;
  font-size: clamp(28px, 4vw, 42px);
}

.approach p {
  margin: 0;
  color: var(--muted);
}

.profile {
  display: grid;
  grid-template-columns: minmax(260px, 0.65fr) minmax(0, 1.35fr);
  gap: 56px;
  align-items: center;
}

.profile-photo {
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border-radius: 6px;
}

.profile-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 38%;
}

.credentials {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.credentials li {
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.faq-list {
  border-top: 1px solid var(--line);
}

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

.faq-list summary {
  padding: 22px 42px 22px 0;
  position: relative;
  cursor: pointer;
  font-size: 18px;
  font-weight: 700;
  list-style: none;
}

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

.faq-list summary::after {
  content: "+";
  position: absolute;
  top: 18px;
  right: 4px;
  color: var(--brand);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 28px;
}

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

.faq-list details p {
  max-width: 760px;
  margin: 0 0 24px;
  color: var(--muted);
}

.cta-band {
  color: var(--white);
  background: var(--sage);
}

.cta-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 48px;
  align-items: end;
}

.cta-grid h2 {
  margin-bottom: 12px;
}

.cta-grid p {
  max-width: 700px;
  margin: 0;
  color: #eef1ed;
}

.cta-grid .button-primary {
  color: var(--charcoal);
  background: var(--white);
  box-shadow: none;
}

.privacy-shell {
  min-height: 56svh;
  padding: 78px 0;
  background: var(--soft);
}

.privacy-header {
  max-width: 820px;
}

.privacy-header h1 {
  color: var(--brand-dark);
}

.privacy-content {
  padding: 70px 0;
}

.privacy-content article {
  max-width: 820px;
}

.privacy-content h2 {
  margin-top: 44px;
  font-size: 31px;
}

.privacy-content h3 {
  margin-top: 28px;
  font-family: inherit;
  font-size: 19px;
  font-weight: 750;
}

.privacy-content li {
  margin-bottom: 8px;
}

.privacy-language {
  margin-top: 70px;
  padding-top: 70px;
  border-top: 1px solid var(--line);
  scroll-margin-top: 90px;
}

footer {
  padding: 28px 0 36px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  font-size: 14px;
}

.footer-inner {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}

.footer-inner a {
  color: var(--brand-dark);
  text-underline-offset: 3px;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 560ms ease, transform 560ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 860px) {
  .nav {
    padding: 12px 0;
    align-items: flex-start;
  }

  .nav-links a:not(.language-link):not(.button) {
    display: none;
  }

  .nav-links {
    gap: 10px;
  }

  .split,
  .session-grid,
  .profile,
  .approach,
  .cta-grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .facts,
  .principles {
    grid-template-columns: 1fr;
  }

  .fact,
  .fact:first-child {
    padding: 12px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.18);
    border-left: 0;
  }

  .fact:first-child {
    border-top: 0;
  }

  .principle,
  .principle:first-child {
    padding: 24px 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .principle:first-child {
    border-top: 0;
  }

  .principle-number {
    margin-bottom: 8px;
  }

  .session-photo,
  .profile-photo {
    max-height: 560px;
  }
}

@media (max-width: 580px) {
  .brand-copy span {
    display: none;
  }

  .brand-copy strong {
    max-width: 138px;
    font-size: 17px;
  }

  .nav-links .button {
    min-height: 42px;
    padding: 0 12px;
    font-size: 13px;
  }

  .nav-links {
    flex-shrink: 0;
  }

  .nav-links .language-link {
    min-width: 32px;
    white-space: nowrap;
    text-align: center;
  }

  .desktop-label {
    display: none;
  }

  .mobile-label {
    display: inline;
  }

  .eft-hero {
    min-height: 74svh;
  }

  .hero-inner {
    padding: 70px 0 52px;
  }

  h1 {
    font-size: 42px;
  }

  .section {
    padding: 58px 0;
  }

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

  .support-item,
  .support-item:nth-child(even) {
    padding: 22px 0;
    border-left: 0;
  }

  .approach {
    padding: 24px;
  }
}

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

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .button {
    transition: none;
  }
}
