/* =========================================================================
   The NK Clinic Phuket - final visual system
   Deep navy foundation, brushed silver structure, platinum/silver-white
   clinical surfaces, restrained gold. Gold is never a button fill and is
   never set small on silver.
   ========================================================================= */

:root {
  --nk-navy: #071f38;
  --nk-navy-2: #0e3155;
  --nk-navy-3: #051629;
  --nk-silver: #b8c1cb;
  --nk-silver-dark: #97a3b0;
  --nk-platinum: #e7ebef;
  --nk-silver-white: #f7f9fb;
  --nk-white: #ffffff;
  --nk-gold: #c4a15a;
  --nk-gold-deep: #a3823f;

  --nk-ink: #0b2036;
  --nk-ink-soft: #40536a;
  --nk-ink-light: #d8dee6;
  --nk-ink-light-soft: #a9b6c5;

  --nk-brushed: linear-gradient(
      180deg,
      #eef1f4 0%,
      #ccd3da 18%,
      #b8c1cb 42%,
      #c9d0d8 58%,
      #aab5c0 82%,
      #d5dbe1 100%
    );
  --nk-brushed-grain: repeating-linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.32) 0px,
    rgba(255, 255, 255, 0) 1px,
    rgba(7, 31, 56, 0.05) 2px,
    rgba(255, 255, 255, 0) 3px
  );

  --nk-display: 'Cormorant Garamond', 'Times New Roman', serif;
  --nk-body: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --nk-wrap: 1280px;
  --nk-gutter: clamp(20px, 5vw, 72px);
  /* audit 06: normal 80-96 desktop / 56-72 tablet / 44-56 mobile */
  --nk-sect: clamp(44px, 6.2vw, 92px);
  --nk-sect-tight: clamp(38px, 5vw, 76px);
  --nk-sect-feature: clamp(64px, 8vw, 112px);
  --nk-gap: clamp(16px, 2.2vw, 28px);
  --nk-radius: 2px;
  --nk-shadow: 0 18px 44px -30px rgba(7, 31, 56, 0.55);
  --nk-ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

html.nk-lang-th {
  --nk-display: 'Noto Serif Thai', 'Cormorant Garamond', serif;
  --nk-body: 'Noto Sans Thai', 'Manrope', sans-serif;
}
html.nk-lang-zh {
  --nk-display: 'Noto Serif SC', 'Cormorant Garamond', serif;
  --nk-body: 'Noto Sans SC', 'Manrope', sans-serif;
}
/* Chinese headings break between words, not inside them */
html.nk-lang-zh h1,
html.nk-lang-zh h2,
html.nk-lang-zh h3,
html.nk-lang-zh .nk-btn,
html.nk-lang-zh .nk-approach__title {
  word-break: keep-all;
  overflow-wrap: break-word;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body.nk-body {
  margin: 0;
  background: var(--nk-navy);
  color: var(--nk-ink);
  font-family: var(--nk-body);
  font-size: 16.5px;
  font-weight: 380;
  line-height: 1.62;
  letter-spacing: 0.005em;
  -webkit-font-smoothing: antialiased;
}

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

/* component display rules must not defeat the hidden attribute */
[hidden] {
  display: none !important;
}

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

:focus-visible {
  outline: 2px solid var(--nk-gold);
  outline-offset: 3px;
}

.nk-skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: var(--nk-white);
  color: var(--nk-navy);
  padding: 12px 20px;
}
.nk-skip:focus {
  left: 16px;
  top: 16px;
}

.nk-wrap {
  width: 100%;
  max-width: var(--nk-wrap);
  margin: 0 auto;
  padding-inline: var(--nk-gutter);
}

/* ------------------------------------------------------------- typography */

h1,
h2,
h3,
h4 {
  font-family: var(--nk-display);
  font-weight: 400;
  line-height: 1.06;
  text-wrap: balance;
  letter-spacing: -0.005em;
  margin: 0;
}
html.nk-lang-th h1,
html.nk-lang-th h2,
html.nk-lang-th h3,
html.nk-lang-zh h1,
html.nk-lang-zh h2,
html.nk-lang-zh h3 {
  line-height: 1.34;
  letter-spacing: 0;
  font-weight: 500;
}
/* Thai and Chinese set smaller than the English display sizes (audit 05) */
html.nk-lang-th .nk-h1,
html.nk-lang-zh .nk-h1 {
  font-size: clamp(2.05rem, 4.2vw, 3.35rem);
}
html.nk-lang-th .nk-h2,
html.nk-lang-zh .nk-h2 {
  font-size: clamp(1.65rem, 2.8vw, 2.4rem);
}

p {
  margin: 0 0 1em;
  /* avoids a single short word stranded on the last line */
  text-wrap: pretty;
}

.nk-h1 {
  font-size: clamp(2.4rem, 5.2vw, 4rem);
}
.nk-h2 {
  font-size: clamp(1.9rem, 3.4vw, 2.85rem);
  margin-bottom: 0.6em;
}
.nk-h2--center {
  text-align: center;
}
.nk-h3 {
  font-size: 1.4rem;
  margin-bottom: 0.5em;
}

.nk-lead {
  font-size: clamp(1rem, 1.3vw, 1.075rem);
  color: var(--nk-ink-soft);
  max-width: 62ch;
  margin: 0;
}

.nk-eyebrow {
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--nk-silver-dark);
  margin: 0 0 1.1em;
}
.nk-eyebrow--gold {
  color: var(--nk-gold);
}
html.nk-lang-th .nk-eyebrow,
html.nk-lang-zh .nk-eyebrow {
  letter-spacing: 0.1em;
  text-transform: none;
  font-size: 0.78rem;
}

.nk-sechead {
  max-width: 68ch;
  margin-bottom: clamp(32px, 4vw, 54px);
}
.nk-sechead--light .nk-lead {
  color: var(--nk-ink-light-soft);
}

.nk-prose {
  max-width: 68ch;
}
.nk-prose p {
  margin-bottom: 1.35em;
}
.nk-prose .nk-media {
  margin-bottom: 2em;
}

.nk-disclaimer {
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--nk-ink-soft);
  max-width: 78ch;
  margin: 32px auto 0;
  padding-top: 18px;
  border-top: 1px solid rgba(184, 193, 203, 0.6);
}
.nk-section--navy .nk-disclaimer {
  color: var(--nk-ink-light-soft);
  border-top-color: rgba(184, 193, 203, 0.28);
}

.nk-note {
  font-size: 0.88rem;
  color: var(--nk-ink-soft);
  max-width: 62ch;
}
.nk-note--light {
  color: var(--nk-ink-light-soft);
  border-left: 2px solid var(--nk-silver);
  padding-left: 18px;
  margin-bottom: 34px;
}
.nk-note--rule {
  border-left: 2px solid var(--nk-silver-dark);
  padding-left: 18px;
  margin-bottom: 34px;
}
.nk-note--caption {
  margin: 16px 0 0;
  font-size: 0.8rem;
  color: var(--nk-silver-dark);
}
.nk-note--after {
  margin-top: 26px;
}
/* slot held open for consented case documentation */
.nk-result--reserved {
  background: var(--nk-silver-white);
  border-style: dashed;
  border-color: var(--nk-silver-dark);
}

/* ----------------------------------------------------------------- buttons */

.nk-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 50px;
  padding: 0 30px;
  border: 1px solid transparent;
  border-radius: var(--nk-radius);
  font-family: var(--nk-body);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background-color 0.35s var(--nk-ease), color 0.35s var(--nk-ease),
    border-color 0.35s var(--nk-ease);
}
html.nk-lang-th .nk-btn,
html.nk-lang-zh .nk-btn {
  text-transform: none;
  letter-spacing: 0.06em;
  font-size: 0.86rem;
}

/* platinum/white primary on navy */
.nk-btn--light {
  background: var(--nk-platinum);
  color: var(--nk-navy);
  border-color: var(--nk-platinum);
}
.nk-btn--light:hover {
  background: var(--nk-white);
  border-color: var(--nk-white);
}

/* navy primary on light surfaces */
.nk-btn--dark {
  background: var(--nk-navy);
  color: var(--nk-white);
  border-color: var(--nk-navy);
}
.nk-btn--dark:hover {
  background: var(--nk-navy-2);
  border-color: var(--nk-navy-2);
}

/* secondary: silver border */
.nk-btn--ghost {
  background: transparent;
  color: var(--nk-navy);
  border-color: var(--nk-silver-dark);
}
.nk-btn--ghost:hover {
  border-color: var(--nk-navy);
}
.nk-btn--ghost-light {
  background: transparent;
  color: var(--nk-white);
  border-color: var(--nk-silver);
}
.nk-btn--ghost-light:hover {
  background: rgba(231, 235, 239, 0.12);
  border-color: var(--nk-platinum);
}

.nk-btn--underline {
  min-height: 50px;
  padding: 0 4px;
  color: var(--nk-white);
  border-bottom: 1px solid var(--nk-gold);
  border-radius: 0;
}
.nk-btn--underline:hover {
  border-bottom-color: var(--nk-platinum);
}

.nk-btn--sm {
  min-height: 42px;
  padding: 0 20px;
  font-size: 0.7rem;
}
.nk-header__actions .nk-btn {
  white-space: nowrap;
}

.nk-actions {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-top: 30px;
}
.nk-actions--center {
  justify-content: center;
  margin-top: 48px;
}
.nk-actions--wrap {
  gap: 12px;
}

.nk-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--nk-navy);
  border-bottom: 1px solid rgba(164, 130, 63, 0.5);
  padding-bottom: 3px;
  transition: border-color 0.3s var(--nk-ease);
}
.nk-link:hover {
  border-bottom-color: var(--nk-navy);
}
.nk-link .nk-icon {
  width: 15px;
  height: 15px;
}
html.nk-lang-th .nk-link,
html.nk-lang-zh .nk-link {
  text-transform: none;
  letter-spacing: 0.04em;
  font-size: 0.86rem;
}

.nk-icon {
  width: 20px;
  height: 20px;
  flex: none;
}

/* ------------------------------------------------------------------ header */

.nk-header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(7, 31, 56, 0.92);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid rgba(184, 193, 203, 0.24);
  color: var(--nk-ink-light);
}
.nk-header__inner {
  max-width: var(--nk-wrap);
  margin: 0 auto;
  padding: 12px var(--nk-gutter);
  display: flex;
  align-items: center;
  gap: 30px;
}
.nk-header__brand {
  flex: none;
}

/* the wordmark ships as a keyed image - no effects, generous safe area */
.nk-logo {
  display: block;
  width: auto;
  height: auto;
}
.nk-logo--header {
  height: 56px;
  width: calc(56px * 167 / 142);
  margin-inline-end: 8px;
}
.nk-logo--footer {
  height: 68px;
  width: calc(68px * 167 / 142);
}
.nk-header__brand {
  display: block;
  padding: 2px 6px;
}

.nk-nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 1.8vw, 28px);
  margin-inline-start: auto;
}
.nk-nav__link {
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--nk-ink-light);
  padding: 6px 0;
  border-bottom: 1px solid transparent;
  transition: color 0.3s var(--nk-ease), border-color 0.3s var(--nk-ease);
  white-space: nowrap;
}
html.nk-lang-th .nk-nav__link,
html.nk-lang-zh .nk-nav__link {
  text-transform: none;
  letter-spacing: 0.02em;
  font-size: 0.87rem;
}
.nk-nav__link:hover,
.nk-nav__link.is-active {
  color: var(--nk-white);
  border-bottom-color: var(--nk-gold);
}

.nk-header__actions {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nk-lang {
  display: flex;
  align-items: center;
  flex: none;
  gap: 7px;
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--nk-ink-light-soft);
}
.nk-lang__item {
  padding: 3px 2px;
  border-bottom: 1px solid transparent;
  white-space: nowrap;
}
.nk-lang__item:hover {
  color: var(--nk-white);
}
.nk-lang__item.is-active {
  color: var(--nk-white);
  border-bottom-color: var(--nk-gold);
}
.nk-lang__sep {
  opacity: 0.45;
}

.nk-burger {
  display: none;
  width: 44px;
  height: 44px;
  background: none;
  border: 1px solid rgba(184, 193, 203, 0.4);
  border-radius: var(--nk-radius);
  cursor: pointer;
  padding: 12px 11px;
  flex-direction: column;
  align-items: stretch;
  justify-content: space-between;
}
.nk-burger span {
  display: block;
  height: 1px;
  background: var(--nk-ink-light);
  transition: transform 0.3s var(--nk-ease), opacity 0.3s var(--nk-ease);
}
.nk-burger[aria-expanded='true'] span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}
.nk-burger[aria-expanded='true'] span:nth-child(2) {
  opacity: 0;
}
.nk-burger[aria-expanded='true'] span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

.nk-drawer {
  border-top: 1px solid rgba(184, 193, 203, 0.24);
  background: var(--nk-navy-3);
  padding: 20px var(--nk-gutter) 30px;
}
.nk-drawer__nav {
  display: grid;
  gap: 2px;
}
.nk-drawer__nav a {
  padding: 14px 0;
  border-bottom: 1px solid rgba(184, 193, 203, 0.16);
  font-size: 1.05rem;
  font-family: var(--nk-display);
  color: var(--nk-ink-light);
}
.nk-drawer__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 24px;
  flex-wrap: wrap;
}

/* -------------------------------------------------------------- media slot */

.nk-media {
  position: relative;
  aspect-ratio: var(--nk-ratio, 3 / 4);
  overflow: hidden;
  margin: 0;
  border: 1px solid var(--nk-silver);
  background: var(--nk-platinum);
}
.nk-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: var(--nk-pos, 50% 42%);
}
/* concept visuals of clinic spaces keep their horizon centred */
.nk-media--k-concept img {
  object-position: var(--nk-pos, 50% 50%);
}
.nk-media--k-pending img {
  object-position: 50% 50%;
}
.nk-media--pending {
  background: linear-gradient(
    calc(150deg + (var(--nk-seed, 0) * 7deg)),
    var(--nk-platinum) 0%,
    var(--nk-silver) 46%,
    #cfd6dd 62%,
    var(--nk-silver-white) 100%
  );
}
.nk-media--pending.nk-media--navy {
  background: linear-gradient(
    calc(155deg + (var(--nk-seed, 0) * 6deg)),
    var(--nk-navy-3) 0%,
    var(--nk-navy-2) 55%,
    #1b4877 100%
  );
  border-color: rgba(184, 193, 203, 0.5);
}
.nk-media--pending.nk-media--platinum {
  background: linear-gradient(
    calc(145deg + (var(--nk-seed, 0) * 5deg)),
    var(--nk-white) 0%,
    var(--nk-platinum) 55%,
    var(--nk-silver) 100%
  );
}
.nk-media__grain {
  position: absolute;
  inset: 0;
  background: var(--nk-brushed-grain);
  opacity: 0.5;
}
.nk-media--bare {
  border: 0;
}
.nk-media--pending::after {
  content: '';
  position: absolute;
  inset: 14px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  pointer-events: none;
}

/* Slots reserved for real, consented photography (founder, doctors,
   results). A quiet brand panel - never a stock or generated face. */
.nk-media--brand.nk-media--pending {
  background: linear-gradient(
    calc(160deg + (var(--nk-seed, 0) * 4deg)),
    var(--nk-navy-2) 0%,
    var(--nk-navy) 58%,
    var(--nk-navy-3) 100%
  );
  border-color: rgba(184, 193, 203, 0.55);
}
.nk-media--brand.nk-media--pending::after {
  border-color: rgba(184, 193, 203, 0.22);
}
.nk-media--brand .nk-media__grain {
  display: grid;
  place-items: center;
  background: none;
  opacity: 1;
}
.nk-media--brand .nk-media__grain::after {
  content: 'NK';
  display: grid;
  place-items: center;
  width: clamp(48px, 26%, 92px);
  aspect-ratio: 1;
  border: 1px solid rgba(196, 161, 90, 0.62);
  border-radius: 50%;
  font-family: var(--nk-display);
  font-size: clamp(0.95rem, 1.5vw, 1.35rem);
  letter-spacing: 0.08em;
  color: rgba(196, 161, 90, 0.85);
}

/* One ratio per grid so card heights and CTA baselines never disagree */
.nk-cards .nk-media,
.nk-posts .nk-media,
.nk-results .nk-media {
  aspect-ratio: 3 / 2;
}
.nk-docs .nk-media,
.nk-concerns .nk-media {
  aspect-ratio: 4 / 5;
}
.nk-gallery .nk-media {
  aspect-ratio: 4 / 3;
}

/* --------------------------------------------------------------- home hero
   The supplied hero photograph already contains the brushed-silver arc and a
   deep-navy field on the left for the headline, so the image runs full-bleed
   and the copy sits on the part of the picture that was reserved for it.
   No CSS arc, no image frame - that would draw the same element twice. */

.nk-hero {
  position: relative;
  background: var(--nk-navy);
  overflow: hidden;
  color: var(--nk-ink-light);
}
.nk-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.nk-hero__bg .nk-media {
  width: 100%;
  height: 100%;
  aspect-ratio: auto;
  border: 0;
  background: var(--nk-navy);
}
.nk-hero__bg img {
  object-position: 100% 50%;
}
/* guarantees headline contrast when a narrow viewport crops the navy field
   away; invisible where it overlaps the picture's own navy */
.nk-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    90deg,
    rgba(7, 31, 56, 0.97) 0%,
    rgba(7, 31, 56, 0.92) 30%,
    rgba(7, 31, 56, 0.55) 46%,
    rgba(7, 31, 56, 0) 60%
  );
  pointer-events: none;
}
.nk-hero__inner {
  position: relative;
  z-index: 2;
  max-width: var(--nk-wrap);
  margin: 0 auto;
  min-height: min(82vh, 720px);
  display: grid;
  grid-template-columns: 50% 1fr;
  align-items: center;
}
.nk-hero__copy {
  padding: clamp(48px, 6vw, 84px) clamp(20px, 2.6vw, 40px) clamp(48px, 6vw, 84px) var(--nk-gutter);
}
.nk-hero__title {
  /* capped so the headline stays on two lines from 1280 to 1920 */
  font-size: clamp(2.1rem, 2.85vw, 2.7rem);
  font-weight: 300;
  color: var(--nk-white);
  margin-bottom: 0.5em;
  text-wrap: balance;
}
.nk-hero__lead {
  color: var(--nk-ink-light-soft);
  max-width: 40ch;
  font-size: 1.02rem;
}

/* ------------------------------------------------------------- trust strip */

.nk-trust {
  background: var(--nk-brushed);
  border-block: 1px solid rgba(7, 31, 56, 0.14);
  position: relative;
}
.nk-trust::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--nk-brushed-grain);
  opacity: 0.6;
  pointer-events: none;
}
.nk-trust__inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(20px, 5vw, 68px);
  flex-wrap: wrap;
  padding-block: 20px;
}
.nk-trust__item {
  display: inline-flex;
  transition-delay: calc(var(--i, 0) * 70ms);
  align-items: center;
  gap: 11px;
  color: var(--nk-navy);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 600;
}
html.nk-lang-th .nk-trust__item,
html.nk-lang-zh .nk-trust__item {
  text-transform: none;
  letter-spacing: 0.03em;
  font-size: 0.86rem;
}

/* ---------------------------------------------------------------- sections */

.nk-section {
  padding-block: var(--nk-sect);
}
.nk-section--tight {
  padding-block: var(--nk-sect-tight);
}
.nk-section--feature {
  padding-block: var(--nk-sect-feature);
}
.nk-section--navy {
  background: var(--nk-navy);
  color: var(--nk-ink-light);
}
.nk-section--navy .nk-h2 {
  color: var(--nk-white);
}
.nk-section--platinum {
  background: var(--nk-platinum);
}
.nk-section--silverwhite {
  background: var(--nk-silver-white);
}
.nk-section--white {
  background: var(--nk-white);
}

/* Inner-page heroes - three templates (audit P0-04).
   A .nk-phero--media   58/42 editorial split
   B .nk-phero--compact text only, short
   C .nk-phero--utility shortest, tool visible on first screen */
.nk-phero {
  background: linear-gradient(180deg, var(--nk-navy) 0%, var(--nk-navy-2) 100%);
  color: var(--nk-ink-light);
}
.nk-phero--compact {
  padding-block: clamp(34px, 4.4vw, 64px) clamp(32px, 4vw, 58px);
}
.nk-phero--utility {
  padding-block: clamp(28px, 3.4vw, 46px) clamp(26px, 3vw, 40px);
}
.nk-phero--media {
  padding-block: clamp(34px, 4.2vw, 60px);
}
.nk-phero__title {
  font-size: clamp(2.05rem, 3.7vw, 3.15rem);
  font-weight: 300;
  color: var(--nk-white);
  max-width: 18ch;
}
.nk-phero--compact .nk-phero__title {
  max-width: 22ch;
}
.nk-phero--utility .nk-phero__title {
  font-size: clamp(1.85rem, 3vw, 2.6rem);
  max-width: 24ch;
}
html.nk-lang-th .nk-phero__title,
html.nk-lang-zh .nk-phero__title {
  font-size: clamp(1.75rem, 3vw, 2.6rem);
  max-width: 20ch;
}
.nk-phero__lead {
  margin-top: 18px;
  color: var(--nk-ink-light-soft);
  max-width: 56ch;
  margin-bottom: 0;
}
.nk-phero--utility .nk-phero__lead {
  max-width: 46ch;
}
.nk-phero__grid {
  display: grid;
  grid-template-columns: 58% 1fr;
  gap: clamp(24px, 4vw, 56px);
  align-items: center;
}
.nk-phero__media .nk-media {
  border-width: 2px;
  border-color: var(--nk-silver);
  box-shadow: 0 30px 60px -46px rgba(0, 0, 0, 0.9);
}
.nk-phero--article .nk-phero__title {
  max-width: 26ch;
}

.nk-crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--nk-ink-light-soft);
  margin-bottom: 26px;
}
.nk-crumbs a:hover {
  color: var(--nk-white);
}
.nk-crumbs__sep {
  opacity: 0.5;
}
html.nk-lang-th .nk-crumbs,
html.nk-lang-zh .nk-crumbs {
  text-transform: none;
  letter-spacing: 0.02em;
  font-size: 0.8rem;
}
.nk-crumbs-wrap {
  padding-block: 26px 0;
}
.nk-crumbs-wrap .nk-crumbs {
  margin-bottom: 0;
}

/* -------------------------------------------------------------- home split */

.nk-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 340px);
  gap: clamp(28px, 3.5vw, 52px);
  align-items: start;
}
/* Flex + centred wrapping so the 5th card never sits alone (audit P0-01):
   >=1200px 5 across - 768-1199 3+2 centred - 431-767 2+2+1 centred - <=430 single */
.nk-concerns {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--nk-gap);
}
.nk-concerns > * {
  flex: 0 1 calc((100% - 4 * var(--nk-gap)) / 5);
  min-width: 0;
}
.nk-concerns .nk-concern h3,
.nk-concerns .nk-concern h2 {
  font-size: 1.16rem;
  font-weight: 500;
  margin-top: 14px;
  color: var(--nk-navy);
}
.nk-concern {
  display: block;
  transition: transform 0.4s var(--nk-ease);
}
.nk-concern:hover {
  transform: translateY(-3px);
}
.nk-concern:hover .nk-media {
  border-color: var(--nk-navy);
}
.nk-concerns--lg > * {
  flex-basis: calc((100% - 4 * var(--nk-gap)) / 5);
}
.nk-concerns--lg .nk-concern p {
  font-size: 0.9rem;
  color: var(--nk-ink-soft);
  margin-top: 6px;
}

.nk-split__main {
  display: flex;
  flex-direction: column;
}
.nk-split .nk-concerns {
  flex: 1;
  align-items: stretch;
}
.nk-split .nk-concern {
  display: flex;
  flex-direction: column;
}
.nk-split .nk-concern .nk-media {
  aspect-ratio: auto;
  flex: 1;
  min-height: 190px;
}
.nk-split .nk-concern h3 {
  min-height: calc(1.16rem * 1.06 * 2);
}

.nk-approach {
  background: var(--nk-navy);
  color: var(--nk-ink-light);
  padding: clamp(28px, 3vw, 44px);
  border: 1px solid var(--nk-silver);
  align-self: stretch;
}
.nk-approach__title {
  font-size: clamp(1.6rem, 2.4vw, 2.15rem);
  color: var(--nk-white);
  margin-bottom: 0.6em;
}
.nk-approach p {
  color: var(--nk-ink-light-soft);
  font-size: 0.95rem;
}

/* ------------------------------------------------------------------- cards */

/* Explicit column counts per breakpoint - auto-fit was producing the
   4+1 and 3+1 orphan rows flagged in the audit. */
.nk-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--nk-gap);
  align-items: stretch;
}
.nk-cards--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.nk-cards--4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.nk-card {
  background: var(--nk-white);
  border: 1px solid var(--nk-silver);
  display: flex;
  flex-direction: column;
}
.nk-card__body {
  padding: clamp(18px, 2vw, 26px);
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}
.nk-card__body h2,
.nk-card__body h3 {
  font-size: 1.42rem;
  font-weight: 500;
  color: var(--nk-navy);
}
.nk-card__body p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--nk-ink-soft);
}
.nk-card__meta {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  font-size: 0.8rem !important;
  color: var(--nk-ink-soft);
  padding-top: 4px;
  border-top: 1px solid var(--nk-platinum);
}
.nk-card__meta .nk-icon {
  width: 16px;
  height: 16px;
  color: var(--nk-silver-dark);
  margin-top: 3px;
}
.nk-card .nk-link {
  margin-top: auto;
  align-self: flex-start;
}
.nk-card.is-hidden,
.nk-post.is-hidden,
.nk-result.is-hidden {
  display: none;
}

.nk-panel {
  background: var(--nk-white);
  border: 1px solid var(--nk-silver-dark);
  padding: clamp(22px, 2.4vw, 32px);
}
.nk-panel {
  display: flex;
  flex-direction: column;
}
.nk-panel h2,
.nk-panel h3 {
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--nk-navy);
  margin-bottom: 0.45em;
}
.nk-panel p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--nk-ink-soft);
}
.nk-panel--num {
  position: relative;
  padding-top: 40px;
}
.nk-panel__n {
  position: absolute;
  top: 20px;
  left: clamp(22px, 2.4vw, 32px);
  font-family: var(--nk-display);
  font-size: 0.95rem;
  color: var(--nk-gold-deep);
  letter-spacing: 0.18em;
}

.nk-grid2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--nk-gap);
}
.nk-grid3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--nk-gap);
}
.nk-grid4 {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--nk-gap);
}

.nk-gallery {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  grid-template-rows: auto auto;
  gap: var(--nk-gap);
  align-items: stretch;
}
/* lead visual fills both rows so the column beside it is never half empty */
.nk-gallery > :first-child {
  grid-row: 1 / span 2;
  aspect-ratio: auto;
  height: 100%;
}

/* ----------------------------------------------------------------- doctors */

.nk-docs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--nk-gap);
  align-items: stretch;
}
.nk-doc {
  background: var(--nk-silver-white);
  border: 1px solid var(--nk-silver);
  padding: 14px;
  display: flex;
  flex-direction: column;
}
.nk-doc .nk-media {
  border-color: rgba(184, 193, 203, 0.9);
}
.nk-doc__body {
  padding: 16px 4px 6px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.nk-doc__body .nk-link {
  margin-top: auto;
  align-self: flex-start;
}
.nk-doc__name {
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--nk-navy);
}
.nk-doc__role {
  margin: 6px 0 0;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--nk-navy-2);
  font-weight: 600;
}
.nk-doc__focus {
  margin: 3px 0 0;
  font-size: 0.9rem;
  color: var(--nk-ink-soft);
}
.nk-doc__label {
  margin: 16px 0 2px;
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--nk-silver-dark);
}
.nk-doc__bio {
  margin: 12px 0 18px;
  font-size: 0.95rem;
  color: var(--nk-ink-soft);
}
.nk-docs--lg {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

/* ----------------------------------------------------------------- results */

.nk-results {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--nk-gap);
}
.nk-result {
  margin: 0;
  background: var(--nk-platinum);
  border: 1px solid var(--nk-silver);
  padding: 12px;
}
.nk-result figcaption {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 14px 4px 4px;
  color: var(--nk-navy);
}
.nk-result figcaption strong {
  font-family: var(--nk-display);
  font-size: 1.2rem;
  font-weight: 500;
}
.nk-result figcaption span {
  font-size: 0.85rem;
  color: var(--nk-ink-soft);
}

/* ----------------------------------------------------------------- filters */

.nk-filters {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: clamp(26px, 3vw, 42px);
  padding-bottom: 18px;
  border-bottom: 1px solid var(--nk-silver);
}
.nk-chip {
  background: transparent;
  border: 1px solid var(--nk-silver);
  border-radius: var(--nk-radius);
  padding: 9px 18px;
  font-family: var(--nk-body);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--nk-ink-soft);
  cursor: pointer;
  transition: all 0.3s var(--nk-ease);
}
html.nk-lang-th .nk-chip,
html.nk-lang-zh .nk-chip {
  text-transform: none;
  letter-spacing: 0.02em;
  font-size: 0.85rem;
}
.nk-chip:hover {
  border-color: var(--nk-navy);
  color: var(--nk-navy);
}
.nk-chip.is-active {
  background: var(--nk-navy);
  border-color: var(--nk-navy);
  color: var(--nk-white);
}
.nk-filters--light {
  border-bottom-color: rgba(184, 193, 203, 0.32);
}
.nk-filters--light .nk-chip {
  color: var(--nk-ink-light-soft);
  border-color: rgba(184, 193, 203, 0.5);
}
.nk-filters--light .nk-chip:hover {
  color: var(--nk-white);
  border-color: var(--nk-platinum);
}
.nk-filters--light .nk-chip.is-active {
  background: var(--nk-platinum);
  border-color: var(--nk-platinum);
  color: var(--nk-navy);
}

/* ----------------------------------------------------------------- founder */

.nk-founder {
  background: var(--nk-navy);
  color: var(--nk-ink-light);
  padding-block: var(--nk-sect-feature);
  position: relative;
}
.nk-founder::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--nk-gold), transparent);
  opacity: 0.7;
}
.nk-founder__grid {
  display: grid;
  grid-template-columns: 42% 1fr;
  gap: clamp(28px, 5vw, 76px);
  align-items: center;
}
.nk-founder__portrait .nk-media {
  border-width: 2px;
  border-color: var(--nk-silver);
}
.nk-founder__title {
  font-size: clamp(2rem, 3.6vw, 3.15rem);
  font-weight: 300;
  color: var(--nk-white);
  margin-bottom: 0.55em;
}
.nk-founder__p {
  color: var(--nk-ink-light-soft);
  max-width: 60ch;
}
.nk-quote {
  margin: 30px 0 22px;
  padding-left: 22px;
  border-left: 1px solid var(--nk-gold);
}
.nk-quote p {
  margin: 0;
  font-family: var(--nk-display);
  font-style: italic;
  font-size: clamp(1.15rem, 1.7vw, 1.42rem);
  line-height: 1.5;
  color: var(--nk-white);
}
html.nk-lang-th .nk-quote p,
html.nk-lang-zh .nk-quote p {
  font-style: normal;
}
.nk-founder__byline {
  font-size: 0.92rem;
  color: var(--nk-white);
  font-weight: 600;
  margin: 0;
}
.nk-founder__role {
  display: block;
  font-weight: 400;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--nk-silver);
  margin-top: 4px;
}
html.nk-lang-th .nk-founder__role,
html.nk-lang-zh .nk-founder__role {
  text-transform: none;
  letter-spacing: 0.04em;
  font-size: 0.86rem;
}

.nk-pillar {
  border-top: 1px solid var(--nk-silver-dark);
  padding-top: 20px;
}
.nk-pillar__n {
  font-family: var(--nk-display);
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  color: var(--nk-gold-deep);
}
.nk-pillar h2 {
  font-size: 1.42rem;
  color: var(--nk-navy);
  margin: 10px 0 8px;
}
.nk-pillar p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--nk-ink-soft);
}

/* ------------------------------------------------------------------- steps */

.nk-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(18px, 2.4vw, 34px);
}
/* short silver rule + a single small gold dot instead of a full-width line */
.nk-step {
  position: relative;
  padding-top: 22px;
}
.nk-step::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 44px;
  height: 2px;
  background: var(--nk-silver-dark);
}
.nk-step__n {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--nk-display);
  font-size: 1.45rem;
  color: var(--nk-navy-2);
  letter-spacing: 0.06em;
}
.nk-step__n::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--nk-gold);
}
.nk-step h2,
.nk-step h3 {
  font-size: 1.3rem;
  color: var(--nk-navy);
  margin: 8px 0 8px;
}
.nk-step p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--nk-ink-soft);
}
.nk-steps--light .nk-step::before {
  background: var(--nk-silver);
}
.nk-steps--light .nk-step__n {
  color: var(--nk-silver);
}
.nk-steps--light .nk-step h2,
.nk-steps--light .nk-step h3 {
  color: var(--nk-white);
}
.nk-steps--light .nk-step p {
  color: var(--nk-ink-light-soft);
}

/* ------------------------------------------------------------------- posts */

.nk-posts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--nk-gap);
  align-items: stretch;
}
.nk-posts--grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.nk-post {
  background: var(--nk-white);
  border: 1px solid var(--nk-silver);
  display: flex;
  flex-direction: column;
}
.nk-post__body {
  padding: clamp(18px, 2vw, 26px);
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}
.nk-post__meta {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--nk-silver-dark);
}
html.nk-lang-th .nk-post__meta,
html.nk-lang-zh .nk-post__meta {
  text-transform: none;
  letter-spacing: 0.03em;
  font-size: 0.8rem;
}
.nk-post h2,
.nk-post h3 {
  font-size: 1.32rem;
  font-weight: 500;
  color: var(--nk-navy);
  margin: 0;
  /* keep every card's title block to three lines so CTAs share a baseline */
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.nk-post p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--nk-ink-soft);
}
.nk-post .nk-link {
  margin-top: auto;
  align-self: flex-start;
}

/* --------------------------------------------------------------------- faq */

.nk-faq {
  max-width: 1000px;
  border-top: 1px solid var(--nk-silver-dark);
}
.nk-faq__item {
  border-bottom: 1px solid var(--nk-silver-dark);
}
.nk-faq__item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--nk-display);
  font-size: 1.22rem;
  color: var(--nk-navy);
}
.nk-faq__item summary::-webkit-details-marker {
  display: none;
}
.nk-faq__item summary .nk-icon {
  color: var(--nk-silver-dark);
  transition: transform 0.3s var(--nk-ease);
  flex: none;
}
.nk-faq__item[open] summary .nk-icon {
  transform: rotate(90deg);
}
.nk-faq__item p {
  margin: 0 0 22px;
  max-width: 72ch;
  color: var(--nk-ink-soft);
  font-size: 0.95rem;
}

/* ---------------------------------------------------------------- cta band */

.nk-ctaband {
  background: linear-gradient(180deg, var(--nk-navy-2) 0%, var(--nk-navy) 100%);
  color: var(--nk-ink-light);
  padding-block: clamp(48px, 6vw, 88px);
  border-top: 1px solid rgba(184, 193, 203, 0.3);
}
.nk-ctaband__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(24px, 4vw, 60px);
  flex-wrap: wrap;
}
.nk-ctaband__title {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  color: var(--nk-white);
  margin-bottom: 0.4em;
}
.nk-ctaband__lead {
  color: var(--nk-ink-light-soft);
  max-width: 48ch;
  margin: 0;
}
.nk-ctaband__actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* ------------------------------------------------------------------ 404 */

.nk-404 {
  text-align: center;
}
.nk-404 .nk-h1 {
  color: var(--nk-white);
}
.nk-404 .nk-lead {
  color: var(--nk-ink-light-soft);
  margin-inline: auto;
}
.nk-404 .nk-actions {
  justify-content: center;
}

/* ------------------------------------------------------------ booking form */

.nk-book {
  background: var(--nk-white);
  border: 1px solid var(--nk-silver);
  padding: clamp(22px, 3vw, 42px);
}
.nk-bookwrap {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(240px, 0.9fr);
  gap: clamp(20px, 3vw, 40px);
  align-items: start;
}
.nk-book__rail {
  list-style: none;
  display: flex;
  gap: 4px;
  margin: 0 0 clamp(26px, 3vw, 40px);
  padding: 0 0 16px;
  border-bottom: 2px solid var(--nk-silver);
  flex-wrap: wrap;
}
.nk-book__railitem {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px 6px 0;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--nk-silver-dark);
}
html.nk-lang-th .nk-book__railitem,
html.nk-lang-zh .nk-book__railitem {
  text-transform: none;
  letter-spacing: 0.02em;
  font-size: 0.84rem;
}
.nk-book__railitem span {
  font-family: var(--nk-display);
  font-size: 0.95rem;
}
.nk-book__railitem.is-active {
  color: var(--nk-navy);
  font-weight: 600;
}
.nk-book__railitem.is-active span {
  color: var(--nk-gold-deep);
}
.nk-book__railitem.is-done {
  color: var(--nk-navy-2);
}

.nk-book__step {
  border: 0;
  margin: 0;
  padding: 0;
  display: none;
}
.nk-book__step.is-active {
  display: block;
}
.nk-book__step legend {
  font-family: var(--nk-display);
  font-size: 1.5rem;
  color: var(--nk-navy);
  padding: 0;
  margin-bottom: 20px;
}

.nk-radios {
  display: grid;
  gap: 10px;
}
.nk-radio input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}
.nk-radio__box {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  border: 1px solid var(--nk-silver);
  background: var(--nk-silver-white);
  cursor: pointer;
  transition: border-color 0.3s var(--nk-ease), background-color 0.3s var(--nk-ease);
}
.nk-radio__box strong {
  display: block;
  font-family: var(--nk-display);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--nk-navy);
}
.nk-radio__box em {
  font-style: normal;
  font-size: 0.83rem;
  color: var(--nk-ink-soft);
}
.nk-radio__img {
  width: 54px;
  flex: none;
}
.nk-radio input:checked + .nk-radio__box {
  border-color: var(--nk-navy);
  background: var(--nk-white);
  box-shadow: inset 0 0 0 1px var(--nk-navy);
}
.nk-radio input:focus-visible + .nk-radio__box {
  outline: 2px solid var(--nk-gold);
  outline-offset: 2px;
}

.nk-fields {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}
.nk-field {
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.nk-field--full {
  grid-column: 1 / -1;
}
.nk-field > span {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--nk-ink-soft);
}
html.nk-lang-th .nk-field > span,
html.nk-lang-zh .nk-field > span {
  text-transform: none;
  letter-spacing: 0.02em;
  font-size: 0.84rem;
}
.nk-field input,
.nk-field select,
.nk-field textarea {
  font-family: var(--nk-body);
  font-size: 0.95rem;
  color: var(--nk-ink);
  background: var(--nk-silver-white);
  border: 1px solid var(--nk-silver);
  border-radius: var(--nk-radius);
  padding: 12px 14px;
  width: 100%;
  transition: border-color 0.3s var(--nk-ease);
}
.nk-field input:focus,
.nk-field select:focus,
.nk-field textarea:focus {
  border-color: var(--nk-navy);
  outline: none;
  background: var(--nk-white);
}
.nk-field input[aria-invalid='true'],
.nk-field textarea[aria-invalid='true'] {
  border-color: #a03636;
}

.nk-check {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.88rem;
  color: var(--nk-ink-soft);
  line-height: 1.6;
}
.nk-check input {
  width: 18px;
  height: 18px;
  margin-top: 3px;
  accent-color: var(--nk-navy);
  flex: none;
}

.nk-book__thanks {
  color: var(--nk-ink-soft);
  max-width: 60ch;
}
.nk-book__summary {
  font-family: var(--nk-body);
  font-size: 0.88rem;
  line-height: 1.8;
  white-space: pre-wrap;
  background: var(--nk-silver-white);
  border: 1px solid var(--nk-silver);
  padding: 18px;
  margin: 0 0 22px;
  color: var(--nk-ink);
}
.nk-book__error {
  margin: 18px 0 0;
  color: #8e2b2b;
  font-size: 0.88rem;
}
.nk-book__nav {
  display: flex;
  gap: 14px;
  margin-top: 30px;
  padding-top: 22px;
  border-top: 1px solid var(--nk-platinum);
}
.nk-book__aside {
  background: var(--nk-navy);
  color: var(--nk-ink-light);
  border: 1px solid var(--nk-silver);
  padding: clamp(22px, 2.6vw, 34px);
}
.nk-book__aside .nk-h3 {
  color: var(--nk-white);
}
.nk-book__aside .nk-note {
  color: var(--nk-ink-light-soft);
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid rgba(184, 193, 203, 0.28);
  font-size: 0.85rem;
}

/* ----------------------------------------------------------------- contact */

.nk-contact {
  display: grid;
  gap: 12px;
  margin-top: 6px;
}
.nk-contact a,
.nk-contact__static {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.92rem;
}
.nk-contact a {
  border-bottom: 1px solid transparent;
  width: fit-content;
}
.nk-contact a:hover {
  border-bottom-color: currentColor;
}
.nk-contact .nk-icon {
  color: var(--nk-silver-dark);
  width: 18px;
  height: 18px;
}
.nk-book__aside .nk-contact .nk-icon,
.nk-footer .nk-contact .nk-icon {
  color: var(--nk-silver);
}

/* ------------------------------------------------------------------ footer */

.nk-footer {
  background: var(--nk-navy-3);
  color: var(--nk-ink-light);
  padding-top: clamp(48px, 5vw, 76px);
  border-top: 1px solid rgba(184, 193, 203, 0.28);
}
.nk-footer__top {
  max-width: var(--nk-wrap);
  margin: 0 auto;
  padding-inline: var(--nk-gutter);
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
  gap: clamp(24px, 3vw, 48px);
}
.nk-footer__about {
  color: var(--nk-ink-light-soft);
  font-size: 0.9rem;
  margin: 18px 0 22px;
  max-width: 34ch;
}
.nk-footer__h {
  font-family: var(--nk-body);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--nk-silver);
  margin: 0 0 16px;
  font-weight: 600;
}
html.nk-lang-th .nk-footer__h,
html.nk-lang-zh .nk-footer__h {
  text-transform: none;
  letter-spacing: 0.04em;
  font-size: 0.84rem;
}
.nk-footer__col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.nk-footer__col a {
  font-size: 0.92rem;
  color: var(--nk-ink-light-soft);
  width: fit-content;
  border-bottom: 1px solid transparent;
}
.nk-footer__col a:hover {
  color: var(--nk-white);
  border-bottom-color: var(--nk-gold);
}
.nk-footer__note {
  font-size: 0.82rem;
  color: var(--nk-ink-light-soft);
  margin: 8px 0 0;
}
.nk-footer__disclaimer {
  max-width: var(--nk-wrap);
  margin: clamp(36px, 4vw, 56px) auto 0;
  padding-inline: var(--nk-gutter);
}
.nk-footer__disclaimer p {
  font-size: 0.8rem;
  line-height: 1.75;
  color: var(--nk-ink-light-soft);
  border-top: 1px solid rgba(184, 193, 203, 0.22);
  padding-top: 22px;
  margin: 0;
  max-width: 96ch;
}
.nk-footer__bar {
  max-width: var(--nk-wrap);
  margin: 24px auto 0;
  padding: 22px var(--nk-gutter) 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 0.78rem;
  color: var(--nk-ink-light-soft);
}
.nk-footer__bar p {
  margin: 0;
}
.nk-footer__legal {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
.nk-footer__legal a:hover {
  color: var(--nk-white);
}
.nk-footer__credit {
  color: var(--nk-silver-dark);
}

/* ------------------------------------------------------------------ motion */

/* Motion (audit 07): 450-550ms, 8-10px, one-time, no parallax or looping. */
@media (prefers-reduced-motion: no-preference) {
  .nk-reveal {
    opacity: 0;
    transform: translateY(9px);
  }
  .nk-reveal.is-in {
    opacity: 1;
    transform: none;
    transition: opacity 0.5s var(--nk-ease), transform 0.5s var(--nk-ease);
  }

  /* grid children stagger 60ms, capped so a row never trails */
  .nk-reveal .nk-cards > *,
  .nk-reveal .nk-docs > *,
  .nk-reveal .nk-posts > *,
  .nk-reveal .nk-results > *,
  .nk-reveal .nk-concerns > *,
  .nk-reveal .nk-grid4 > *,
  .nk-reveal .nk-steps > * {
    opacity: 0;
    transform: translateY(9px);
  }
  .nk-reveal.is-in .nk-cards > *,
  .nk-reveal.is-in .nk-docs > *,
  .nk-reveal.is-in .nk-posts > *,
  .nk-reveal.is-in .nk-results > *,
  .nk-reveal.is-in .nk-concerns > *,
  .nk-reveal.is-in .nk-grid4 > *,
  .nk-reveal.is-in .nk-steps > * {
    opacity: 1;
    transform: none;
    transition: opacity 0.5s var(--nk-ease), transform 0.5s var(--nk-ease);
  }
  .nk-reveal.is-in .nk-cards > *:nth-child(2),
  .nk-reveal.is-in .nk-docs > *:nth-child(2),
  .nk-reveal.is-in .nk-posts > *:nth-child(2),
  .nk-reveal.is-in .nk-results > *:nth-child(2),
  .nk-reveal.is-in .nk-concerns > *:nth-child(2),
  .nk-reveal.is-in .nk-grid4 > *:nth-child(2),
  .nk-reveal.is-in .nk-steps > *:nth-child(2) {
    transition-delay: 0.06s;
  }
  .nk-reveal.is-in .nk-cards > *:nth-child(3),
  .nk-reveal.is-in .nk-docs > *:nth-child(3),
  .nk-reveal.is-in .nk-posts > *:nth-child(3),
  .nk-reveal.is-in .nk-results > *:nth-child(3),
  .nk-reveal.is-in .nk-concerns > *:nth-child(3),
  .nk-reveal.is-in .nk-grid4 > *:nth-child(3),
  .nk-reveal.is-in .nk-steps > *:nth-child(3) {
    transition-delay: 0.12s;
  }
  .nk-reveal.is-in .nk-cards > *:nth-child(4),
  .nk-reveal.is-in .nk-docs > *:nth-child(4),
  .nk-reveal.is-in .nk-posts > *:nth-child(4),
  .nk-reveal.is-in .nk-results > *:nth-child(4),
  .nk-reveal.is-in .nk-concerns > *:nth-child(4),
  .nk-reveal.is-in .nk-grid4 > *:nth-child(4),
  .nk-reveal.is-in .nk-steps > *:nth-child(4) {
    transition-delay: 0.18s;
  }
  .nk-reveal.is-in .nk-cards > *:nth-child(n + 5),
  .nk-reveal.is-in .nk-docs > *:nth-child(n + 5),
  .nk-reveal.is-in .nk-posts > *:nth-child(n + 5),
  .nk-reveal.is-in .nk-results > *:nth-child(n + 5),
  .nk-reveal.is-in .nk-concerns > *:nth-child(n + 5),
  .nk-reveal.is-in .nk-grid4 > *:nth-child(n + 5),
  .nk-reveal.is-in .nk-steps > *:nth-child(n + 5) {
    transition-delay: 0.24s;
  }

  /* founder: gentle opposing move, 12px, no scale */
  .nk-founder__grid.nk-reveal .nk-founder__portrait {
    opacity: 0;
    transform: translateX(-12px);
  }
  .nk-founder__grid.nk-reveal .nk-founder__body {
    opacity: 0;
    transform: translateX(12px);
  }
  .nk-founder__grid.nk-reveal.is-in .nk-founder__portrait,
  .nk-founder__grid.nk-reveal.is-in .nk-founder__body {
    opacity: 1;
    transform: none;
    transition: opacity 0.6s var(--nk-ease), transform 0.6s var(--nk-ease);
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}

/* -------------------------------------------------------------- responsive
   Breakpoints follow the audit: >=1200 full column counts, 768-1199 two-up
   (doctors 2x2, concerns 3+2), 431-767 mostly single with concerns 2-up,
   <=430 single column throughout. No layout ever leaves an orphan last row. */

@media (max-width: 1439px) {
  :root {
    --nk-wrap: 1160px;
  }
}

@media (max-width: 1199px) {
  .nk-nav {
    display: none;
  }
  .nk-header__actions {
    margin-inline-start: auto;
    gap: 24px;
  }
  .nk-burger {
    display: flex;
  }
  .nk-cards,
  .nk-cards--3,
  .nk-cards--4,
  .nk-posts,
  .nk-posts--grid,
  .nk-results,
  .nk-docs,
  .nk-docs--lg,
  .nk-grid4,
  .nk-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .nk-grid3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  /* 3 + 2 centred */
  .nk-concerns > * {
    flex-basis: calc((100% - 2 * var(--nk-gap)) / 3);
  }
  .nk-concerns--lg > * {
    flex-basis: calc((100% - 2 * var(--nk-gap)) / 3);
  }
  .nk-phero__grid {
    grid-template-columns: 55% 1fr;
  }
  .nk-footer__top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 1023px) {
  /* stacked: headline on navy first, then the photograph (audit 08) */
  .nk-hero__inner {
    grid-template-columns: 1fr;
    min-height: 0;
  }
  .nk-hero::before {
    background: linear-gradient(180deg, rgba(7, 31, 56, 0.2), rgba(7, 31, 56, 0));
  }
  .nk-hero__bg {
    position: static;
    padding: 0 var(--nk-gutter) clamp(36px, 5vw, 56px);
  }
  .nk-hero__bg .nk-media {
    aspect-ratio: 4 / 3;
    max-height: 56vh;
    border: 1px solid rgba(184, 193, 203, 0.6);
  }
  .nk-hero__copy {
    padding: clamp(40px, 7vw, 64px) var(--nk-gutter) 28px;
  }
  .nk-split {
    grid-template-columns: 1fr;
  }
  .nk-founder__grid {
    grid-template-columns: 42% 1fr;
  }
  .nk-gallery {
    grid-template-columns: 1fr 1fr;
  }
  .nk-gallery > *:first-child {
    grid-column: 1 / -1;
    grid-row: auto;
    aspect-ratio: 4 / 3;
  }
  .nk-bookwrap {
    grid-template-columns: 1fr;
  }
  .nk-grid2 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 767px) {
  body.nk-body {
    font-size: 16px;
  }
  :root {
    --nk-gutter: 22px;
    --nk-gap: 18px;
  }
  .nk-header__actions .nk-btn {
    display: none;
  }
  .nk-logo--header {
    height: 42px;
    width: calc(42px * 167 / 142);
  }
  .nk-phero__grid {
    grid-template-columns: 1fr;
  }
  .nk-cards,
  .nk-cards--3,
  .nk-cards--4,
  .nk-posts,
  .nk-posts--grid,
  .nk-results,
  .nk-docs,
  .nk-docs--lg,
  .nk-grid3,
  .nk-grid4,
  .nk-steps {
    grid-template-columns: 1fr;
  }
  /* concerns stay two-up until the smallest widths */
  .nk-concerns > *,
  .nk-concerns--lg > * {
    flex-basis: calc((100% - var(--nk-gap)) / 2);
  }
  .nk-founder__grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .nk-founder__portrait {
    max-width: 320px;
  }
  .nk-gallery {
    grid-template-columns: 1fr;
  }
  .nk-ctaband__inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .nk-footer__top {
    grid-template-columns: 1fr;
  }
  .nk-footer__bar {
    flex-direction: column;
    align-items: flex-start;
  }
  .nk-actions .nk-btn,
  .nk-ctaband__actions .nk-btn {
    width: 100%;
  }
  .nk-actions .nk-btn--underline {
    width: auto;
    align-self: center;
  }
  .nk-book__nav .nk-btn {
    flex: 1;
  }
  .nk-doc__name {
    min-height: 0;
  }
}

@media (max-width: 430px) {
  .nk-concerns > *,
  .nk-concerns--lg > * {
    flex-basis: 100%;
  }
  .nk-concerns .nk-media,
  .nk-split .nk-concern .nk-media {
    aspect-ratio: 4 / 3;
    flex: none;
    min-height: 0;
    --nk-pos: 50% 24%;
  }
  .nk-fields {
    grid-template-columns: 1fr;
  }
  .nk-book__rail {
    gap: 0 10px;
  }
}