/* ===== Base ===== */
:root {
  --bg: #FFFFFF;
  --bg-2: #FBF8F2;
  --bg-3: #F6F0E6;
  --ivory: #FFFFFF;
  --ivory-2: #F4EDE1;
  --head: #1E1A16;
  --text: #2F2924;
  --gold: #8C6A34;
  --gold-deep: #7A5A28;
  --gold-line: rgba(140, 106, 52, 0.38);
  --teal: #B08D57;
  --teal-deep: #8A6A3A;
  --ink: #1E1A16;
  --green: #1E1A16;
  --gold-shine: linear-gradient(100deg, #7F5F2C 0%, #B8935A 40%, #8C6A34 65%, #A8834C 100%);
  --serif: "Cormorant Garamond", "Noto Serif Thai", Georgia, serif;
  --sans: "Inter", "IBM Plex Sans Thai", Arial, sans-serif;
  --max: 1240px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.8;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}
/* fine film grain over everything */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 100;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
::selection { background: var(--gold); color: #FFFFFF; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 400;
  color: var(--head);
  line-height: 1.05;
}
h1 { font-size: clamp(3.2rem, 8vw, 7.4rem); letter-spacing: -0.015em; }
h2 { font-size: clamp(2.5rem, 5.2vw, 4.6rem); letter-spacing: -0.01em; }
h3 { font-size: 1.9rem; font-weight: 400; }
em { font-style: italic; color: var(--gold); }
/* shiny metallic gold for highlighted words in headings */
h1 em, h2 em, h3 em, .statement {
  background: var(--gold-shine);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  padding-right: 0.08em;
}
.section--deep h1 em, .section--deep h2 em, .section--deep h3 em, .section--deep .statement {
  background-image: linear-gradient(100deg, #8A5A1C 0%, #C7953F 45%, #9A6A25 100%);
}

.container { max-width: var(--max); margin: 0 auto; padding: 0 32px; }
.section { padding: 160px 0; position: relative; }
.center { text-align: center; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-size: 0.7rem;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 400;
  margin-bottom: 28px;
}
.eyebrow b {
  font-family: var(--serif);
  font-size: 1.05rem;
  letter-spacing: 0.1em;
  font-weight: 400;
  padding-right: 14px;
  border-right: 1px solid var(--gold-line);
}
/* Intro text: elegant serif, larger, warm ivory (Thai falls back to Noto Serif Thai via --serif) */
.lead {
  font-family: var(--serif);
  font-size: clamp(1.3rem, 1.9vw, 1.55rem);
  font-weight: 400;
  line-height: 1.6;
  letter-spacing: 0.005em;
  color: #1E1A16;
  max-width: 680px;
}
.center .lead { margin: 0 auto; }

/* ===== Light (ivory) sections for contrast ===== */
.section--deep {
  background: var(--bg-3);
  color: #2F2924;
}
.section--deep h1, .section--deep h2, .section--deep h3 { color: var(--ink); }
.section--deep em, .section--deep .eyebrow { color: var(--gold-deep); }
.section--deep .eyebrow b { border-color: rgba(158, 126, 69, 0.4); }
.section--deep p { color: #2F2924; }
.section--deep .lead { color: #1E1A16; }
.section--deep .divider { color: var(--gold-deep); }
.section--deep .divider::before, .section--deep .divider::after { background: var(--gold-deep); }

/* ===== Buttons: thin gold outline with fill sweep ===== */
.btn {
  position: relative;
  display: inline-block;
  padding: 19px 46px;
  font-size: 0.7rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  font-weight: 400;
  font-family: var(--sans);
  border: 1px solid var(--ink);
  background: var(--ink);
  color: #FFFFFF;
  font-weight: 400;
  cursor: pointer;
  overflow: hidden;
  z-index: 0;
  transition: color 0.6s var(--ease), border-color 0.6s var(--ease);
}
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--gold-shine);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.6s var(--ease);
  z-index: -1;
}
/* hover fill only with a mouse: on phones a tapped button would keep the hover colour */
@media (hover: hover) {
  .btn:hover { color: #FFFFFF; border-color: var(--gold); }
  .btn:hover::before { transform: scaleX(1); transform-origin: left; }
}
.btn--ghost { background: transparent; border-color: var(--gold); color: var(--head); font-weight: 400; }
.btn--ghost::before { background: var(--gold-shine); }
.btn--light { background: transparent; border-color: var(--head); color: var(--head); font-weight: 400; }
.btn--light::before { background: var(--gold-shine); }
.section--deep .btn { background: var(--ink); border-color: var(--ink); color: #FFFFFF; }
.section--deep .btn::before { background: var(--gold-shine); }
@media (hover: hover) { .section--deep .btn:hover { color: #FFFFFF; border-color: var(--gold); } }

/* ===== Thai kanok ornaments ===== */
.divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin: 34px auto;
  color: var(--gold);
}
.divider::before, .divider::after {
  content: "";
  height: 1px;
  width: 110px;
  background: linear-gradient(90deg, transparent, var(--gold));
}
.divider::after { background: linear-gradient(90deg, var(--gold), transparent); }
.divider svg { width: 46px; height: 46px; }
.divider--left { justify-content: flex-start; margin-left: 0; }
.divider--left::before { display: none; }

.ornament { color: var(--gold); width: 92px; height: 92px; margin: 0 auto 34px; }
.ornament svg { width: 100%; height: 100%; }

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  padding: 34px 0;
  transition: background 0.6s, padding 0.6s, border-color 0.6s;
  border-bottom: 1px solid transparent;
}
.header.is-scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: 18px 0;
  border-bottom-color: var(--gold-line);
}
.header .container { display: flex; align-items: center; justify-content: space-between; max-width: 1400px; }
.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 2rem;
  font-weight: 500;
  color: var(--head);
  letter-spacing: 0.04em;
  line-height: 1;
  white-space: nowrap;
}
.logo__icon { width: 1.55em; height: 1.55em; flex: none; color: var(--gold); }
.logo__text { display: block; }
.logo__4 { color: var(--gold); font-variant-numeric: lining-nums; font-feature-settings: "lnum" 1; }
.logo small {
  display: block;
  font-family: var(--sans);
  font-size: 0.54rem;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--gold);
  margin-top: 7px;
}
.nav { display: flex; gap: 40px; align-items: center; }
.nav a {
  font-size: 0.7rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--head);
  position: relative;
  padding: 6px 0;
  white-space: nowrap;
  transition: color 0.4s;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 50%; bottom: 0;
  width: 0; height: 1px;
  background: var(--gold);
  transition: width 0.5s var(--ease), left 0.5s var(--ease);
}
.nav a:hover { color: var(--gold); }
.nav a:hover::after, .nav a.active::after { width: 100%; left: 0; }
.nav a.active:not(.btn) { color: var(--gold); }
.nav .btn { padding: 13px 26px; color: #FFFFFF; }
.nav .btn::after { display: none; }
.nav .btn:hover { color: #FFFFFF; }
/* compact "Book" button: only in tablet/phone headers */
.header-book { display: none; }

/* Dropdown (Treatments → All Treatments, Herb Library). Opened by JS with .is-open */
.nav__item { position: relative; }
.nav__row { display: flex; align-items: center; gap: 2px; }
.nav__toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px; height: 26px;
  padding: 0;
  background: none;
  border: none;
  color: var(--head);
  cursor: pointer;
  transition: color 0.3s;
}
.nav__toggle svg { width: 11px; height: 11px; transition: transform 0.35s var(--ease); }
.nav__toggle:hover, .has-sub.is-current .nav__toggle, .has-sub.is-open .nav__toggle { color: var(--gold); }
.has-sub.is-open .nav__toggle svg { transform: rotate(180deg); }
.nav__sub {
  position: absolute;
  top: 100%;
  left: 50%;
  min-width: 230px;
  margin-top: 16px;
  background: #FFFFFF;
  border: 1px solid var(--gold-line);
  box-shadow: 0 30px 60px -30px rgba(60, 45, 20, 0.25);
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, 8px);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease), visibility 0s linear 0.3s;
}
.has-sub.is-open .nav__sub {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease), visibility 0s;
}
/* invisible bridge so the menu stays open while the mouse moves down into it */
.nav__sub::before { content: ""; position: absolute; left: -20px; right: -20px; top: -22px; height: 22px; }
.nav__sub::after {
  content: "";
  position: absolute;
  top: -5px; left: 50%;
  width: 9px; height: 9px;
  background: #FFFFFF;
  border-left: 1px solid var(--gold-line);
  border-top: 1px solid var(--gold-line);
  transform: translateX(-50%) rotate(45deg);
}
.nav__sub-inner { display: flex; flex-direction: column; padding: 12px 0; overflow: hidden; }
.nav__sub a {
  display: block;
  padding: 13px 30px;
  text-align: center;
  transition: color 0.3s, background 0.3s;
}
.nav__sub a::after { display: none; }
.nav__sub a:hover, .nav__sub a:focus-visible { background: rgba(201, 169, 110, 0.08); }
.nav__sub a.active { color: var(--gold); }

/* Visible keyboard focus everywhere in the header */
.header a:focus-visible, .header button:focus-visible {
  outline: 1px solid var(--gold);
  outline-offset: 4px;
}
.nav__sub a:focus-visible { outline-offset: -4px; }

/* Keep room between logo and menu */
.header .container { gap: 48px; }
.logo { flex: none; }
@media (max-width: 1440px) {
  .nav { gap: 28px; }
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 32px; height: 20px;
  position: relative;
}
.menu-toggle span {
  position: absolute; left: 0; right: 0;
  height: 1px; background: var(--gold);
  transition: transform 0.4s, opacity 0.4s;
}
.menu-toggle span:nth-child(1) { top: 0; }
.menu-toggle span:nth-child(2) { top: 9px; left: 8px; }
.menu-toggle span:nth-child(3) { top: 18px; }
.menu-open .menu-toggle span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
.menu-open .menu-toggle span:nth-child(2) { opacity: 0; }
.menu-open .menu-toggle span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

/* ===== Rich image placeholders (gradients, no photos) ===== */
.art { position: relative; overflow: hidden; background: var(--bg-2); }
.art::after {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 30% 15%, rgba(255, 240, 210, 0.16), transparent 55%);
}
.art--herb {
  background:
    radial-gradient(circle at 72% 26%, rgba(226, 196, 140, 0.28), transparent 40%),
    radial-gradient(ellipse at 30% 92%, rgba(210, 175, 120, 0.22), transparent 55%),
    linear-gradient(175deg, #FFFFFF 0%, #FBF6EC 45%, #F4EBDA 75%, #EFE3CC 100%);
}
.art--stone {
  background:
    radial-gradient(circle at 30% 26%, rgba(255, 248, 232, 0.6), transparent 48%),
    radial-gradient(circle at 80% 82%, rgba(84, 62, 40, 0.5), transparent 55%),
    linear-gradient(165deg, #E6D9C5 0%, #C2AE92 55%, #86705A 100%);
}
.art--water {
  background:
    radial-gradient(circle at 70% 20%, rgba(255, 248, 235, 0.55), transparent 45%),
    radial-gradient(circle at 22% 80%, rgba(60, 38, 20, 0.5), transparent 55%),
    linear-gradient(175deg, #EBDCC2 0%, #C89F68 45%, #7A5230 100%);
}
.art--gold {
  background:
    radial-gradient(circle at 25% 22%, rgba(255, 245, 220, 0.6), transparent 48%),
    radial-gradient(circle at 82% 82%, rgba(40, 30, 15, 0.45), transparent 52%),
    linear-gradient(150deg, #E2CA97 0%, #C29E5E 50%, #7D5F2C 100%);
}
.art--clinic {
  background:
    radial-gradient(circle at 70% 25%, rgba(255, 255, 255, 0.9), transparent 50%),
    linear-gradient(160deg, #FDFAF4 0%, #EEE2CE 55%, #D3B88E 100%);
}
.art .leaf {
  position: absolute;
  right: 10%; bottom: 10%;
  width: 44%;
  opacity: 0.4;
  color: var(--gold);
  z-index: 1;
}
.art--stone .leaf, .art--clinic .leaf, .art--gold .leaf, .art--water .leaf { color: var(--head); opacity: 0.5; }

/* framed art: offset fine gold border */
.framed { position: relative; }
.framed::before {
  content: "";
  position: absolute;
  inset: -18px 18px 18px -18px;
  border: 1px solid var(--gold-line);
  z-index: 0;
  pointer-events: none;
  transition: inset 0.8s var(--ease);
}
.framed:hover::before { inset: -10px 10px 10px -10px; }
.framed > .art { position: relative; z-index: 1; height: 100%; }
.section--deep .framed::before { border-color: rgba(158, 126, 69, 0.45); }

/* ===== Full-screen hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  /* bottom space reserved for the scroll indicator (it needs ~150px), so it never touches the buttons */
  padding: 160px 0 250px;
}
.hero__bg {
  position: absolute;
  inset: -4%;
  animation: slowZoom 28s ease-in-out infinite alternate;
}
.hero__bg .leaf { width: 34%; right: 6%; bottom: -6%; opacity: 0.18; }
.hero__glow {
  position: absolute;
  width: 70vw; height: 70vw;
  left: 50%; top: 40%;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(214, 185, 127, 0.18), transparent 60%);
  animation: drift 18s ease-in-out infinite alternate;
  pointer-events: none;
}
.hero__veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.6) 0%, rgba(255, 255, 255, 0) 40%, rgba(255, 255, 255, 0.9) 100%);
}
.hero__frame {
  position: absolute;
  inset: 110px 40px 40px;
  border: 1px solid var(--gold-line);
  pointer-events: none;
}
.hero__frame::before, .hero__frame::after {
  content: "";
  position: absolute;
  width: 26px; height: 26px;
  border: 1px solid var(--gold);
}
.hero__frame::before { top: -6px; left: -6px; border-right: none; border-bottom: none; }
.hero__frame::after { bottom: -6px; right: -6px; border-left: none; border-top: none; }
.hero__content { position: relative; z-index: 2; }
.hero h1 { margin-bottom: 34px; }
.hero .lead { margin: 0 auto 54px; font-size: clamp(1.4rem, 2.1vw, 1.75rem); max-width: 720px; }
.hero__actions { display: flex; gap: 18px; justify-content: center; flex-wrap: wrap; }
.hero__scroll {
  position: absolute;
  bottom: 70px; left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  font-size: 0.6rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--gold);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.hero__scroll::after {
  content: "";
  width: 1px; height: 54px;
  background: linear-gradient(var(--gold), transparent);
  animation: scrollLine 2.6s ease-in-out infinite;
  transform-origin: top;
}
@keyframes slowZoom { from { transform: scale(1); } to { transform: scale(1.1) translate(-1%, 1%); } }
@keyframes drift { from { transform: translate(-55%, -50%); } to { transform: translate(-45%, -44%); } }
@keyframes scrollLine { 0% { transform: scaleY(0); opacity: 1; } 70% { transform: scaleY(1); opacity: 1; } 100% { transform: scaleY(1); opacity: 0; } }

/* inner page hero */
.page-hero {
  position: relative;
  padding: 230px 0 140px;
  text-align: center;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(214, 185, 127, 0.16), transparent 60%),
    linear-gradient(180deg, #FBF6EC 0%, var(--bg) 100%);
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 110px 40px 30px;
  border: 1px solid var(--gold-line);
  border-bottom: none;
  pointer-events: none;
}
.page-hero h1 { margin-bottom: 10px; }
.page-hero .container { position: relative; }

/* ===== Two worlds ===== */
.worlds {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin-top: 90px;
  border: 1px solid var(--gold-line);
}
.world { padding: 80px 64px; position: relative; transition: background 0.8s var(--ease); }
.world--herbal { background: var(--bg-2); }
.world--herbal:hover { background: #FFFFFF; }
.world--clinical { background: var(--bg-3); }
.world--clinical h3 { color: var(--ink); }
.world--clinical .eyebrow { color: var(--teal-deep); }
.world--clinical p { color: #2F2924; }
.world h3 { margin-bottom: 18px; font-size: 2.6rem; }
.world ul { list-style: none; margin-top: 36px; counter-reset: w; }
.world li {
  counter-increment: w;
  padding: 20px 0;
  border-top: 1px solid var(--gold-line);
  font-family: var(--serif);
  font-size: 1.45rem;
  color: var(--head);
  display: flex;
  gap: 22px;
  align-items: baseline;
  transition: padding-left 0.5s var(--ease);
}
.world li::before {
  content: "0" counter(w);
  font-family: var(--sans);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  color: var(--gold);
}
.world li:hover { padding-left: 10px; }
.world--clinical li { border-top-color: rgba(138, 90, 50, 0.25); color: var(--ink); }
.world--clinical li::before { color: var(--teal-deep); }

/* ===== Split feature ===== */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 120px;
  align-items: center;
}
.split--reverse .split__art { order: 2; }
.split__art { aspect-ratio: 4 / 5; }
.split h2 { margin-bottom: 14px; }
.split p { margin-bottom: 20px; }

/* ===== Pillars (I, II, III) ===== */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 90px;
  border-top: 1px solid var(--gold-line);
  border-bottom: 1px solid var(--gold-line);
}
.pillar {
  text-align: center;
  padding: 70px 40px;
  position: relative;
  transition: background 0.8s var(--ease);
}
.pillar + .pillar { border-left: 1px solid var(--gold-line); }
.pillar:hover { background: rgba(201, 169, 110, 0.05); }
.pillar__num {
  width: 74px; height: 74px;
  margin: 0 auto 30px;
  border: 1px solid var(--gold);
  transform: rotate(45deg);
  display: flex;
  align-items: center;
  justify-content: center;
}
.pillar__num span {
  transform: rotate(-45deg);
  font-family: var(--serif);
  font-size: 1.6rem;
  color: var(--gold);
}
.pillar h3 { margin-bottom: 14px; font-size: 2.2rem; }

/* ===== Quote band ===== */
.quote-band {
  position: relative;
  text-align: center;
  padding: 180px 0;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 50% 50%, rgba(201, 169, 110, 0.18), transparent 60%),
    var(--bg-3);
  border-top: 1px solid var(--gold-line);
  border-bottom: 1px solid var(--gold-line);
}
.quote-band blockquote {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2rem, 4.2vw, 3.6rem);
  font-style: italic;
  color: var(--head);
  max-width: 980px;
  margin: 0 auto;
  line-height: 1.25;
}
.quote-band cite {
  display: block;
  margin-top: 40px;
  font-style: normal;
  font-size: 0.68rem;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--gold);
}

/* ===== Treatments ===== */
.treat-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin-bottom: 110px;
  border: 1px solid var(--gold-line);
}
.treat {
  padding: 70px 60px;
  display: flex;
  flex-direction: column;
  transition: background 0.8s var(--ease);
}
.treat--herbal { background: var(--bg-2); }
.treat--herbal:hover { background: #FFFFFF; }
.treat--clinical { background: var(--bg-3); }
.treat--clinical h3 { color: var(--ink); }
.treat--clinical p { color: #2F2924; }
.treat--clinical .eyebrow { color: var(--teal-deep); }
.treat h3 { font-size: 2.7rem; margin-bottom: 8px; }
.treat .thai {
  font-family: var(--serif);
  font-style: italic;
  color: var(--gold);
  margin-bottom: 24px;
  font-size: 1.25rem;
}
.treat--clinical .thai { color: var(--teal-deep); }
.treat__meta {
  display: flex;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 26px;
  border-top: 1px solid var(--gold-line);
  font-size: 0.68rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
}
.treat--herbal .treat__meta { color: var(--gold); }
.treat--clinical .treat__meta { color: var(--teal-deep); border-top-color: rgba(138, 90, 50, 0.25); }
.treat__meta span { margin-top: 0; }
.pair-label {
  display: flex;
  align-items: baseline;
  gap: 24px;
  font-family: var(--serif);
  font-style: italic;
  color: var(--head);
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  font-weight: 400;
  margin-bottom: 30px;
}
.pair-label b {
  font-style: normal;
  font-weight: 400;
  color: var(--gold);
  font-size: 1rem;
  letter-spacing: 0.2em;
}

/* ===== Herb library ===== */
.herb-filter {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 80px;
}
.herb-filter button {
  background: none;
  border: 1px solid var(--gold-line);
  padding: 13px 26px;
  font-family: var(--sans);
  font-size: 0.66rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--head);
  cursor: pointer;
  transition: all 0.5s var(--ease);
}
.herb-filter button.active, .herb-filter button:hover {
  background: var(--gold);
  color: #FFFFFF;
  border-color: var(--gold);
}
.herbs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}
.herb {
  background: var(--bg-2);
  display: grid;
  grid-template-columns: 210px 1fr;
  border: 1px solid var(--gold-line);
  transition: transform 0.8s var(--ease), border-color 0.8s, box-shadow 0.8s;
}
.herb:hover {
  transform: translateY(-6px);
  border-color: var(--gold);
  box-shadow: 0 40px 70px -40px rgba(60, 45, 20, 0.3);
}
.herb .art { min-height: 100%; }
.herb .art .leaf { width: 70%; right: 15%; bottom: 15%; transition: transform 1.2s var(--ease); }
.herb:hover .art .leaf { transform: scale(1.08) rotate(-4deg); }
.herb__body { padding: 40px 40px 36px; }
.herb__thai {
  font-size: 0.66rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--gold);
}
.herb h3 { font-size: 2.3rem; margin: 8px 0 2px; }
.herb__latin { font-family: var(--serif); font-style: italic; font-size: 1.1rem; color: var(--text); margin-bottom: 20px; }
.herb__row { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--gold-line); }
.herb__row h4 {
  font-family: var(--sans);
  font-size: 0.62rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  font-weight: 400;
  margin-bottom: 6px;
}
.herb__row--trad h4 { color: var(--gold); }
.herb__row--sci h4 { color: var(--teal); }
.herb__row p { font-size: 0.93rem; color: var(--text); }
.herb.is-hidden { display: none; }
.note {
  margin: 80px auto 0;
  text-align: center;
  font-size: 0.82rem;
  color: #4A4239;
  max-width: 720px;
}
.section--deep .note { color: #4A4239; }

/* ===== Experts ===== */
.experts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 70px 50px;
}
.expert__art {
  aspect-ratio: 3 / 4;
  margin-bottom: 30px;
  outline: 1px solid var(--gold-line);
  outline-offset: 12px;
  transition: outline-offset 0.8s var(--ease), outline-color 0.8s;
}
.expert:hover .expert__art { outline-offset: 4px; outline-color: var(--gold); }
.expert__art .initials {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif);
  font-weight: 400;
  font-size: 6rem;
  color: rgba(150, 116, 63, 0.55);
  z-index: 1;
}
.art--stone .initials, .art--clinic .initials, .art--gold .initials { color: rgba(42, 29, 20, 0.5) !important; }
.expert h3 { margin: 10px 0 4px; font-size: 2.1rem; }
.expert__role {
  font-size: 0.64rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 14px;
}
.expert__role--clinical { color: var(--teal); }
.expert p { font-size: 0.95rem; }

/* ===== Booking ===== */
.booking {
  max-width: 880px;
  margin: 0 auto;
  background: var(--bg-2);
  border: 1px solid var(--gold-line);
  padding: 70px;
  position: relative;
}
.booking::before {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px solid rgba(176, 141, 87, 0.14);
  pointer-events: none;
}
.steps-bar {
  display: flex;
  justify-content: space-between;
  margin-bottom: 60px;
  position: relative;
}
.steps-bar::before {
  content: "";
  position: absolute;
  top: 17px; left: 17px; right: 17px;
  height: 1px;
  background: var(--gold-line);
}
.steps-bar span {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  font-size: 0.62rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--text);
  background: var(--bg-2);
  padding: 0 12px;
}
.steps-bar b {
  width: 35px; height: 35px;
  border: 1px solid var(--gold-line);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 400;
  background: var(--bg-2);
  color: var(--head);
  transition: all 0.5s var(--ease);
}
.steps-bar span.active b, .steps-bar span.done b {
  background: var(--gold);
  border-color: var(--gold);
  color: #FFFFFF;
}
.steps-bar span.active { color: var(--gold); }
.step { display: none; animation: fade 0.8s var(--ease); }
.step.active { display: block; }
.step h3, #b-gate h3 { margin-bottom: 34px; text-align: center; font-size: 2.4rem; }
.booking[hidden] { display: none; }
.gate-text { margin: 28px auto 0; max-width: 560px; text-align: center; }

.choice-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.choice {
  border: 1px solid var(--gold-line);
  padding: 24px 26px;
  cursor: pointer;
  transition: all 0.5s var(--ease);
  position: relative;
}
.choice input { position: absolute; opacity: 0; }
.choice strong { display: block; font-family: var(--serif); font-size: 1.5rem; font-weight: 400; color: var(--head); }
.choice small { color: var(--text); font-size: 0.8rem; }
.choice:hover { border-color: var(--gold); background: rgba(176, 141, 87, 0.05); }
.choice.selected { border-color: var(--gold); background: rgba(176, 141, 87, 0.1); }
.choice.selected strong { color: var(--gold); }
.choice-group-title {
  grid-column: 1 / -1;
  font-size: 0.64rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  margin-top: 14px;
}
.choice-group-title--herbal { color: var(--gold); }
.choice-group-title--clinical { color: var(--teal); }

.times { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 24px; }
.times .choice { text-align: center; padding: 16px 8px; }
/* times: clear modern numbers (the serif font has small, old-style numbers) */
/* time already confirmed for another guest */
.times .choice.is-taken { opacity: 0.32; cursor: not-allowed; pointer-events: none; }
.times .choice.is-taken strong { text-decoration: line-through; text-decoration-thickness: 1px; }
.times .choice strong { font-family: var(--sans); font-size: 1.1rem; font-weight: 400; letter-spacing: 0.06em; font-variant-numeric: lining-nums tabular-nums; }

.field { margin-bottom: 26px; }
.field label {
  display: block;
  font-size: 0.62rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 8px;
}
.field input, .field textarea, .field select {
  width: 100%;
  padding: 14px 0;
  border: none;
  border-bottom: 1px solid var(--gold-line);
  background: transparent;
  font-family: var(--sans);
  font-size: 1rem;
  color: var(--head);
  font-weight: 400;
  outline: none;
  border-radius: 0;
  transition: border-color 0.4s;
  color-scheme: light;
}
.field select option { background: #FFFFFF; }

/* ===== Own date picker and dropdowns (browser popups cannot be styled) ===== */
.date-wrap, .select { position: relative; }
.date-btn, .select-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  min-height: 54px;
  padding: 14px 0;
  border: none;
  border-bottom: 1px solid var(--gold-line);
  background: transparent;
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 400;
  color: var(--head);
  text-align: left;
  cursor: pointer;
  transition: border-color 0.4s;
}
.date-btn:hover, .select-btn:hover,
.date-btn[aria-expanded="true"], .select-btn[aria-expanded="true"] { border-bottom-color: var(--gold); }
.date-btn:focus-visible, .select-btn:focus-visible { outline: 1px solid var(--gold); outline-offset: 4px; }
.date-btn__placeholder { color: #6B6157; }
.date-wrap.has-value .date-btn__placeholder { display: none; }
.date-btn__value, .select-btn__value { flex: 1; }
.date-btn__icon, .select-btn__icon { width: 22px; height: 22px; color: var(--gold); flex-shrink: 0; margin-left: auto; transition: transform 0.3s var(--ease); }
.select-btn[aria-expanded="true"] .select-btn__icon { transform: rotate(180deg); }

/* popup panel shared by calendar and dropdown */
.cal, .select-list {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  z-index: 30;
  background: #FFFFFF;
  border: 1px solid var(--gold-line);
  box-shadow: 0 30px 60px -20px rgba(60, 45, 20, 0.28);
  animation: pop-in 0.25s var(--ease);
}
.cal[hidden], .select-list[hidden] { display: none; }
@keyframes pop-in { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }

.cal { width: min(340px, 100%); padding: 20px 18px 18px; }
@media (max-width: 420px) {
  .cal { padding: 16px 12px 14px; }
  .cal .cal__week, .cal .cal__grid { gap: 2px; }
  .cal .cal__week span { letter-spacing: 0.04em; font-size: 0.6rem; }
  .cal .cal__day { min-height: 0; font-size: 1.02rem; }
  .cal .cal__title { font-size: 1.15rem; }
  .cal .cal__nav { width: 36px; height: 36px; }
}
.cal__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.cal__title { font-family: var(--serif); font-weight: 500; font-size: 1.35rem; color: var(--head); white-space: nowrap; }
.cal__nav {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border: 1px solid var(--gold-line);
  background: transparent;
  color: var(--gold);
  cursor: pointer;
  transition: background 0.3s, color 0.3s;
}
.cal__nav svg { width: 18px; height: 18px; }
.cal__nav:hover:not(:disabled) { background: var(--gold); color: #FFFFFF; }
.cal__nav:disabled { opacity: 0.25; cursor: default; }
.cal__week, .cal__grid { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 4px; }
.cal__week { margin-bottom: 6px; padding-bottom: 8px; border-bottom: 1px solid var(--gold-line); }
.cal__week span { text-align: center; font-size: 0.66rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gold); }
.cal__grid { padding-top: 4px; }
.cal__day {
  aspect-ratio: 1;
  min-width: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
  min-height: 38px;
  border: 1px solid transparent;
  background: transparent;
  font-family: var(--serif);
  font-size: 1.12rem;
  font-variant-numeric: lining-nums;
  color: var(--head);
  cursor: pointer;
  transition: background 0.25s, border-color 0.25s, color 0.25s;
}
.cal__day:hover:not(:disabled) { border-color: var(--gold); color: var(--gold); }
.cal__day:focus-visible { outline: 1px solid var(--gold); outline-offset: 1px; }
.cal__day.is-today { border-color: var(--gold-line); color: var(--gold); }
.cal__day.is-selected, .cal__day.is-selected:hover { background: var(--gold-shine); border-color: var(--gold); color: #FFFFFF; font-weight: 600; }
.cal__day:disabled { color: rgba(30, 26, 22, 0.2); cursor: default; }

/* dropdown list */
.select-native { position: absolute; opacity: 0; pointer-events: none; width: 1px; height: 1px; }
.select-list { right: 0; padding: 8px 0; list-style: none; max-height: 320px; overflow-y: auto; }
.select-list li {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 13px 20px;
  font-size: 0.98rem;
  color: var(--text);
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}
.select-list li::after { content: ""; width: 7px; height: 7px; transform: rotate(45deg); border: 1px solid transparent; flex-shrink: 0; }
.select-list li.is-active { background: rgba(176, 141, 87, 0.08); color: var(--head); }
.select-list li[aria-selected="true"] { color: var(--gold); }
.select-list li[aria-selected="true"]::after { background: var(--gold); border-color: var(--gold); }
.field input:focus, .field textarea:focus, .field select:focus { border-bottom-color: var(--gold); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.step-actions {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 44px;
}
/* small screens: two equal buttons that always fit */
@media (max-width: 520px) {
  .step-actions .btn {
    flex: 1;
    min-width: 0;
    padding: 17px 10px;
    letter-spacing: 0.2em;
    text-align: center;
  }
}
.summary { border-top: 1px solid var(--gold-line); margin-bottom: 10px; }
.summary div {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 18px 0;
  border-bottom: 1px solid var(--gold-line);
}
.summary dt { color: var(--gold); font-size: 0.66rem; letter-spacing: 0.28em; text-transform: uppercase; }
.summary dd { margin: 0; font-family: var(--serif); font-size: 1.35rem; color: var(--head); text-align: right; }
.change-note {
  margin-bottom: 40px;
  padding: 22px 26px;
  border: 1px solid var(--gold-line);
  background: rgba(176, 141, 87, 0.06);
  text-align: center;
}
.change-note[hidden] { display: none; }
.change-note p { margin: 0 auto; max-width: 520px; font-size: 0.92rem; }
.change-note__title { margin-bottom: 8px !important; font-family: var(--serif); font-size: 1.35rem !important; color: var(--head); }
.change-note__title b { font-family: var(--sans); font-weight: 500; font-size: 0.9rem; letter-spacing: 0.08em; color: var(--gold); }
.done-msg { text-align: center; padding: 20px 0; }
.done-mail {
  margin-top: 26px !important;
  padding: 18px 22px;
  border: 1px solid var(--gold-line);
  background: rgba(176, 141, 87, 0.06);
  font-size: 0.9rem;
  line-height: 1.7;
}
.done-mail[hidden] { display: none; }
.done-msg p { max-width: 460px; margin: 0 auto; }
/* spam trap field: off-screen, never seen or tabbed to by people */
.hp { position: absolute !important; left: -10000px; top: auto; width: 1px; height: 1px; overflow: hidden; }
.field-note { margin-top: 8px; font-size: 0.8rem; line-height: 1.6; color: var(--text); opacity: 0.85; }
.btn:disabled { opacity: 0.6; cursor: wait; }
.form-error { color: #A4452E; font-size: 0.85rem; text-align: center; margin-top: 18px; min-height: 1em; }

/* ===== Contact ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 110px;
}
.contact-info h3 {
  font-family: var(--sans);
  font-size: 0.64rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 400;
  margin: 40px 0 10px;
}
.contact-info h3:first-child { margin-top: 0; }
.contact-info p { font-family: var(--serif); font-size: 1.45rem; color: var(--head); line-height: 1.45; }
.map-art { aspect-ratio: 16 / 6; margin-top: 120px; border: 1px solid var(--gold-line); }
.map-art .pin {
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
  text-align: center;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.6rem;
}
.map-art .pin::before {
  content: "";
  display: block;
  width: 14px; height: 14px;
  margin: 0 auto 14px;
  transform: rotate(45deg);
  background: var(--gold-deep);
  box-shadow: 0 0 0 12px rgba(158, 126, 69, 0.25);
}

/* ===== CTA band ===== */
.cta-band { text-align: center; padding: 170px 0; position: relative; }
.cta-band h2 { margin-bottom: 22px; }
.cta-band .lead { margin: 0 auto 50px; }

/* ===== Footer ===== */
.footer {
  background: var(--bg-3);
  color: var(--text);
  padding: 120px 0 40px;
  font-size: 0.9rem;
  border-top: 1px solid var(--gold-line);
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 60px;
  padding-bottom: 80px;
  border-bottom: 1px solid var(--gold-line);
}
.footer .logo { font-size: 2.3rem; }
@media (max-width: 600px) {
  .logo { font-size: 1.5rem; }
  .footer .logo { font-size: 1.5rem; }
}
.footer h4 {
  font-family: var(--sans);
  font-size: 0.62rem;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 400;
  margin-bottom: 22px;
}
.footer ul { list-style: none; }
.footer li { margin-bottom: 10px; }
.footer a { transition: color 0.4s; }
.footer a:hover { color: var(--gold); }
.footer__bottom {
  display: flex;
  justify-content: space-between;
  padding-top: 34px;
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  gap: 20px;
  color: #4A4239;
}

/* ===== Scroll reveal ===== */
.reveal { opacity: 0; transform: translateY(40px); transition: opacity 1.6s var(--ease), transform 1.6s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: 0.2s; }
.reveal-delay-2 { transition-delay: 0.4s; }
@keyframes fade { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .nav__sub, .has-sub.is-open .nav__sub, .nav__toggle svg { transition: none !important; }
  .hero__bg, .hero__glow, .hero__scroll::after { animation: none; }
}

/* ===== The Resilience page ===== */
.narrow { max-width: 860px; }
.title-caps { letter-spacing: 0.12em; font-weight: 300; }
.hero-sub { font-family: var(--serif); font-size: clamp(1.4rem, 2.6vw, 2rem); line-height: 1.4; }
.statement {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.5rem, 2.8vw, 2.1rem);
  color: var(--gold);
  line-height: 1.4;
  margin-top: 50px;
}
.statement--left { margin-top: 30px; font-size: 1.5rem; }
.section--deep .statement { color: var(--gold-deep); }
.list-grid {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0 70px;
  max-width: 960px;
  margin: 50px auto 0;
  counter-reset: lg;
}
.list-grid li {
  counter-increment: lg;
  display: flex;
  gap: 22px;
  align-items: baseline;
  padding: 22px 0;
  border-top: 1px solid rgba(158, 126, 69, 0.35);
  font-family: var(--serif);
  font-size: 1.45rem;
  color: var(--ink);
  transition: padding-left 0.5s var(--ease);
}
.list-grid li::before {
  content: counter(lg, decimal-leading-zero);
  font-family: var(--sans);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  color: var(--gold-deep);
}
.list-grid li:hover { padding-left: 10px; }
.program-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  margin-top: 70px;
}
.program-card {
  border: 1px solid var(--gold-line);
  background: #FFFFFF;
  padding: 56px 50px;
  position: relative;
  transition: border-color 0.8s, transform 0.8s var(--ease), background 0.8s;
}
.program-card:hover { border-color: var(--gold); transform: translateY(-6px); box-shadow: 0 40px 70px -45px rgba(60, 45, 20, 0.35); }
.program-card__num {
  display: block;
  font-family: var(--serif);
  font-size: 3rem;
  font-weight: 400;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 26px;
}
.program-card h3 { font-size: 2rem; margin-bottom: 16px; }
/* photo across the top of the card, edge to edge; warm tone to match the brown and gold */
.program-card__photo {
  position: relative;
  margin: -56px -50px 38px;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-bottom: 1px solid var(--gold-line);
}
.program-card__photo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.9) brightness(1.02);
  transition: transform 1.2s var(--ease), filter 1.2s var(--ease);
}
.program-card__photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0) 70%, rgba(255, 255, 255, 0.18) 100%);
  pointer-events: none;
}
.program-card:hover .program-card__photo img { transform: scale(1.05); filter: saturate(1) brightness(1.04); }
.program-card__words {
  font-family: var(--sans);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 18px;
}
.program-card__link {
  display: inline-block;
  margin-top: 24px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--gold-line);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  transition: border-color 0.4s;
}
.program-card__link:hover { border-color: var(--gold); }
.list-grid small {
  display: block;
  margin-top: 8px;
  font-family: var(--sans);
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold-deep);
}
.philosophy-lines {
  font-family: var(--serif);
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  color: var(--gold);
  margin-top: 26px;
  line-height: 1.5;
}
.stress-title { font-size: clamp(2rem, 4.2vw, 3.4rem); line-height: 1.2; }
.stress-p { margin-top: 22px; }
.benefits {
  margin: 60px auto 0;
  padding: 30px 0;
  border-top: 1px solid var(--gold-line);
  border-bottom: 1px solid var(--gold-line);
  font-family: var(--serif);
  font-size: clamp(1.4rem, 2.6vw, 1.9rem);
  letter-spacing: 0.04em;
  color: var(--head);
}
.stress-cta {
  margin: 70px auto 0;
  padding: 50px 40px;
  border: 1px solid var(--gold-line);
  background: var(--bg-2);
}
.stress-cta p { max-width: 560px; margin: 0 auto 30px; }
.mother-split { margin-top: 70px; align-items: start; }
.mother-split p { margin-bottom: 20px; }
.mother-split .lead { font-family: var(--serif); font-size: 1.6rem; line-height: 1.45; color: var(--ink); margin-bottom: 28px; }
.mother-close { margin: 30px auto 0; }
.signature { max-width: 900px; margin: 110px auto; text-align: center; }
.signature .ornament { width: 70px; height: 70px; color: var(--gold-deep); }
.signature blockquote {
  font-family: var(--serif);
  font-weight: 400;
  font-style: italic;
  font-size: clamp(1.9rem, 3.8vw, 3rem);
  line-height: 1.3;
  color: var(--ink);
}
.mother-card {
  max-width: 880px;
  margin: 0 auto;
  text-align: center;
  background: #FBF7EF;
  border: 1px solid rgba(158, 126, 69, 0.45);
  outline: 1px solid rgba(158, 126, 69, 0.25);
  outline-offset: -12px;
  padding: 80px 70px;
}
.mother-card h3 { font-size: clamp(1.8rem, 3vw, 2.4rem); margin-bottom: 26px; }
.mother-card p { margin-bottom: 18px; }
.mother-card .statement { margin-top: 30px; font-size: 1.6rem; }
.mother-card__sign { margin-top: 44px; padding-top: 34px; border-top: 1px solid rgba(158, 126, 69, 0.35); }
.mother-card__brand {
  display: block;
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.1rem;
  letter-spacing: 0.4em;
  color: var(--ink);
  margin-bottom: 10px;
}
.section--deep .mother-card__tagline,
.mother-card__tagline {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.5rem;
  color: var(--gold-deep);
  margin-top: 26px;
}
@media (max-width: 600px) {
  .mother-card { padding: 54px 26px; }
}
@media (max-width: 960px) {
  .program-grid { grid-template-columns: 1fr; }
  .program-card { padding: 44px 30px; }
  .program-card__photo { margin: -44px -30px 30px; }
}
@media (max-width: 700px) {
  .list-grid { grid-template-columns: 1fr; }
}

/* ===== Language switch ===== */
.lang-switch {
  display: flex;
  align-items: center;
  border: 1px solid var(--gold-line);
  margin-left: -10px;
}
.lang-switch button {
  background: none;
  border: none;
  padding: 9px 12px;
  font-family: var(--sans);
  font-size: 0.64rem;
  letter-spacing: 0.22em;
  color: var(--text);
  cursor: pointer;
  transition: color 0.4s, background 0.4s;
}
.lang-switch button + button { border-left: 1px solid var(--gold-line); }
.lang-switch button:hover { color: var(--gold); }
.lang-switch button.active { background: var(--gold); color: #FFFFFF; }

/* ===== Thai text: taller lines for tone marks, no wide letter-spacing, no fake italics ===== */
html[lang="th"] body { line-height: 1.95; }
html[lang="th"] h1, html[lang="th"] h2 { line-height: 1.35; letter-spacing: 0; }
html[lang="th"] h1 { font-size: clamp(2.6rem, 6.2vw, 5.6rem); }
html[lang="th"] h2 { font-size: clamp(2.1rem, 4.2vw, 3.8rem); }
html[lang="th"] h3, html[lang="th"] h4 { line-height: 1.45; }
/* gold text is painted only inside its box: give Thai marks above/below the letters room so they are not cut */
html[lang="th"] h1 em, html[lang="th"] h2 em, html[lang="th"] h3 em, html[lang="th"] .statement { padding-top: 0.3em; padding-bottom: 0.15em; }
html[lang="th"] em,
html[lang="th"] .treat .thai,
html[lang="th"] .pair-label,
html[lang="th"] .quote-band blockquote,
html[lang="th"] .herb__latin,
html[lang="th"] .statement,
html[lang="th"] .signature blockquote,
html[lang="th"] .mother-card__tagline { font-style: normal; }
html[lang="th"] .title-caps { letter-spacing: 0.06em; }
html[lang="th"] .eyebrow,
html[lang="th"] .nav a,
html[lang="th"] .btn,
html[lang="th"] .logo small,
html[lang="th"] .herb__thai,
html[lang="th"] .herb__row h4,
html[lang="th"] .expert__role,
html[lang="th"] .treat__meta,
html[lang="th"] .herb-filter button,
html[lang="th"] .choice-group-title,
html[lang="th"] .field label,
html[lang="th"] .summary dt,
html[lang="th"] .steps-bar span,
html[lang="th"] .contact-info h3,
html[lang="th"] .footer h4,
html[lang="th"] .quote-band cite,
html[lang="th"] .hero__scroll,
html[lang="th"] .nav__sub a { letter-spacing: 0.02em; line-height: 1.5; }

/* Thai small labels: Thai script needs ~1.3–1.5x the size of the tiny English caps */
html[lang="th"] .logo small { font-size: 0.8rem; letter-spacing: 0.04em; line-height: 1.45; margin-top: 4px; }
html[lang="th"] .eyebrow { font-size: 0.92rem; }
html[lang="th"] .nav a, html[lang="th"] .btn { font-size: 0.86rem; }
html[lang="th"] .nav__sub a { font-size: 0.86rem; }
html[lang="th"] .herb__thai,
html[lang="th"] .expert__role,
html[lang="th"] .treat__meta,
html[lang="th"] .contact-info h3,
html[lang="th"] .quote-band cite { font-size: 0.86rem; }
html[lang="th"] .herb__row h4,
html[lang="th"] .herb-filter button,
html[lang="th"] .choice-group-title,
html[lang="th"] .field label,
html[lang="th"] .summary dt,
html[lang="th"] .steps-bar span,
html[lang="th"] .footer h4,
html[lang="th"] .hero__scroll { font-size: 0.82rem; }
html[lang="th"] .nav { gap: 26px; }
@media (max-width: 1240px) {
  html[lang="th"] .nav { gap: 6px; }
}

/* Thai intro text: Noto Serif Thai runs larger than Cormorant, so slightly smaller with taller lines */
html[lang="th"] .lead { font-size: clamp(1.1rem, 1.5vw, 1.25rem); line-height: 1.9; font-weight: 400; }
html[lang="th"] .hero .lead { font-size: clamp(1.15rem, 1.7vw, 1.35rem); }

/* ===== Responsive ===== */
/* No room for the scroll indicator on short screens, tablets and phones: hide it and give the space back */
@media (max-height: 1040px), (max-width: 960px) {
  .hero__scroll { display: none; }
  .hero { padding-bottom: 120px; }
}
@media (max-width: 1240px) {
  .menu-toggle { display: block; position: relative; z-index: 60; }
  /* Full-screen menu layer. The header blur must be off while it is open:
     backdrop-filter makes the header the frame for fixed children, so the menu would only cover the header bar. */
  .menu-open .header,
  .menu-open .header.is-scrolled {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    z-index: 200;
  }
  .nav {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    z-index: 55;
    background: var(--bg-3);
    flex-direction: column;
    justify-content: flex-start;
    gap: 30px;
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.5s, visibility 0s linear 0.5s;
  }
  /* centre the items when they fit, but let them scroll from the top when they don't */
  .nav > :first-child { margin-top: auto; }
  .nav > :last-child { margin-bottom: auto; }
  .nav a { font-size: 0.85rem; }
  .menu-open .nav { opacity: 1; visibility: visible; pointer-events: auto; transition: opacity 0.5s, visibility 0s; }
  /* mobile: Treatments is an accordion; every tap target is at least 44px tall */
  .nav { gap: 6px; overflow-y: auto; padding: 90px 0 40px; }
  .nav > a:not(.btn), .nav__row > a { min-height: 48px; display: inline-flex; align-items: center; }
  .nav > .lang-switch { order: 98; margin: 18px 0 0; }
  /* big, full-width booking button at the bottom of the open menu */
  .nav > .btn {
    order: 99;
    width: min(340px, calc(100% - 48px));
    margin: 26px 0 auto;
    padding: 18px 20px;
    text-align: center;
    font-size: 0.8rem;
  }
  .header .container { gap: 14px; }
  .header-book {
    display: inline-block;
    margin-left: auto;
    padding: 11px 18px;
    font-size: 0.64rem;
    letter-spacing: 0.24em;
  }
  .menu-open .header-book { visibility: hidden; }
  .lang-switch button { min-height: 44px; min-width: 52px; }
  .nav__item { display: flex; flex-direction: column; align-items: center; }
  .nav__row { gap: 4px; margin-right: -48px; }
  .nav__toggle { width: 48px; height: 48px; }
  .nav__toggle svg { width: 13px; height: 13px; }
  .nav__sub, .has-sub.is-open .nav__sub {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    margin: 0;
    min-width: 0;
    background: none;
    border: none;
    box-shadow: none;
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.35s var(--ease);
  }
  .has-sub.is-open .nav__sub { grid-template-rows: 1fr; }
  .nav__sub::before, .nav__sub::after { display: none; }
  .nav__sub-inner { padding: 0; min-height: 0; }
  .nav__sub a {
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 20px;
    font-size: 0.74rem;
    color: var(--text);
    visibility: hidden;
  }
  .has-sub.is-open .nav__sub a { visibility: visible; }
  .nav__sub a:hover { background: none; }
  .split { gap: 70px; }
}
@media (max-width: 960px) {
  .section { padding: 110px 0; }
  .container { padding: 0 24px; }
  .hero__frame { inset: 90px 16px 16px; }
  .page-hero::before { inset: 90px 16px 20px; }
  .worlds, .treat-pair, .split, .contact-grid { grid-template-columns: 1fr; }
  .split--reverse .split__art { order: 0; }
  .split__art { aspect-ratio: 16 / 11; }
  .world, .treat { padding: 56px 32px; }
  .pillars { grid-template-columns: 1fr; }
  .pillar + .pillar { border-left: none; border-top: 1px solid var(--gold-line); }
  .experts { grid-template-columns: 1fr 1fr; }
  .herbs { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { gap: 60px; }
}
@media (max-width: 600px) {
  .experts { grid-template-columns: 1fr; }
  .herb { grid-template-columns: 1fr; }
  .herb .art { min-height: 170px; }
  .booking { padding: 44px 22px; }
  .choice-grid, .field-row { grid-template-columns: 1fr; }
  .times { grid-template-columns: repeat(2, 1fr); }
  .steps-bar span { font-size: 0; gap: 0; }
  .footer__grid { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; }
  .hero__scroll { display: none; }
  .framed::before { inset: -10px 10px 10px -10px; }
}

/* ===== Chat button (opens WhatsApp) ===== */
.chat-btn {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 120;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  height: 60px;
  padding: 0 26px 0 20px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 30px;
  background: var(--gold-shine);
  color: #FFFFFF;
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  cursor: pointer;
  box-shadow: 0 18px 40px -14px rgba(60, 45, 20, 0.45), 0 0 0 6px rgba(176, 141, 87, 0.12);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
  -webkit-tap-highlight-color: transparent;
}
.menu-open .chat-btn { display: none; }
.chat-btn svg { width: 24px; height: 24px; flex-shrink: 0; }
.chat-btn:focus-visible { outline: 1px solid var(--gold); outline-offset: 4px; }
@media (hover: hover) {
  .chat-btn:hover { transform: translateY(-3px); box-shadow: 0 24px 46px -14px rgba(60, 45, 20, 0.5), 0 0 0 8px rgba(176, 141, 87, 0.18); }
}
html[lang="th"] .chat-btn { font-size: 0.86rem; letter-spacing: 0.02em; }
/* phones: round icon button only */
@media (max-width: 640px) {
  .chat-btn { right: 16px; bottom: 16px; width: 56px; height: 56px; padding: 0; justify-content: center; border-radius: 50%; }
  .chat-btn__label { display: none; }
}

/* ===== Phones: larger, darker, easier-to-read text ===== */
@media (max-width: 600px) {
  :root { --text: #221E1A; --gold: #7F5F2C; --gold-line: rgba(127, 95, 44, 0.45); }
  body { font-size: 17px; font-weight: 400; line-height: 1.75; }
  p, li, .program-card p, .expert p, .field-note, .note, .footer, .done-mail { font-size: 1.05rem; font-weight: 400; }
  .field-note, .note { font-size: 0.98rem; opacity: 1; }
  .section--deep p, .section--deep { color: #221E1A; }
  .lead { font-size: 1.35rem; font-weight: 500; color: #14110E; }
  .section--deep .lead { color: #14110E; }
  h1, h2, h3 { font-weight: 400; }
  .hero-sub, .statement, .philosophy-lines, .benefits { font-weight: 500; }
  /* small capital labels */
  .eyebrow, .program-card__words, .program-card__link, .list-grid small, .expert__role,
  .summary dt, .field label, .choice-group-title, .footer h4, .contact-info h3, .quote-band cite {
    font-size: 0.8rem; letter-spacing: 0.16em; font-weight: 500;
  }
  .list-grid li { font-size: 1.5rem; }
  .list-grid li::before, .world li::before { font-size: 0.8rem; font-weight: 500; }
  .btn { font-size: 0.82rem; letter-spacing: 0.18em; font-weight: 500; }
  .header-book { font-size: 0.72rem; letter-spacing: 0.16em; }
  .logo small { font-size: 0.62rem; letter-spacing: 0.3em; font-weight: 500; }
  .nav a { font-size: 0.95rem; font-weight: 500; }
  .choice small { font-size: 0.95rem; }
  .field input, .field textarea, .date-btn, .select-btn { font-size: 1.05rem; font-weight: 400; }
  .footer__bottom { font-size: 0.85rem; color: #3A332C; }
  .chat-btn { font-weight: 600; }
}
