/* ==========================================================================
   SINSA L Plastic Surgery — English site
   Design tokens modelled on the RNWOOD Seoul visual system
   ========================================================================== */

:root {
  /* Colour */
  --color-canvas: #ffffff;
  --color-surface: #fcfbfa;
  --color-surface-raised: #ffffff;
  --color-ink: #1c1a17;
  --color-ink-muted: #4a443c;
  --color-ink-subtle: #655e53;
  --color-ink-inverse: #ffffff;
  --color-line: #e3ddd1;
  --color-line-strong: #8e8373;
  --color-accent: #2e4a3c;
  --color-accent-hover: #22392e;
  --color-accent-ink: #ffffff;
  --color-accent-soft: #ecf3ef;
  --color-focus: #1f3d33;

  /* Type */
  --font-display: "Poppins", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body: "Poppins", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;

  --text-2xs: 0.6875rem;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: clamp(1rem, 0.972rem + 0.14vw, 1.0625rem);
  --text-lg: clamp(1.125rem, 1.081rem + 0.22vw, 1.25rem);
  --text-xl: clamp(1.25rem, 1.162rem + 0.44vw, 1.5rem);
  --text-2xl: clamp(1.5rem, 1.346rem + 0.77vw, 1.9375rem);
  --text-3xl: clamp(1.875rem, 1.654rem + 1.1vw, 2.5rem);
  --text-4xl: clamp(2.25rem, 1.897rem + 1.76vw, 3.25rem);
  --text-5xl: clamp(2.625rem, 2.052rem + 2.86vw, 4.25rem);

  --leading-tight: 1.12;
  --leading-body: 1.6;
  --leading-relaxed: 1.625;
  --leading-loose: 1.75;
  --tracking-tight: -0.02em;
  --tracking-wide: 0.08em;

  /* Layout */
  --container-page: 78rem;
  --container-narrow: 46rem;
  --gutter: clamp(1rem, 0.4rem + 2.6vw, 2.5rem);
  --section-y: clamp(4rem, 2.2rem + 7vw, 8rem);

  /* Shape + motion */
  --radius-sm: 0.125rem;
  --radius-md: 0.25rem;
  --radius-lg: 0.625rem;
  --radius-pill: 9999px;
  --shadow-raised: 0 1px 2px -1px rgba(28, 26, 23, 0.07), 0 3px 10px -3px rgba(28, 26, 23, 0.09);
  --shadow-overlay: 0 2px 6px -2px rgba(28, 26, 23, 0.1), 0 16px 32px -12px rgba(28, 26, 23, 0.18);
  --duration-micro: 0.18s;
  --duration-entrance: 0.24s;
  --ease-standard: cubic-bezier(0.2, 0, 0, 1);
  --ease-entrance: cubic-bezier(0.16, 1, 0.3, 1);
  --header-h: 72px;
}

/* ------------------------------- Reset ---------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
body {
  margin: 0;
  background: var(--color-canvas);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg, video { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 500; letter-spacing: var(--tracking-tight); margin: 0 0 0.5em; }
h1 { font-size: var(--text-5xl); line-height: 1.06; }
h2 { font-size: var(--text-3xl); line-height: 1.18; }
h3 { font-size: var(--text-xl); line-height: 1.4; }
h4 { font-size: var(--text-lg); line-height: 1.45; }
p { margin: 0 0 1.1em; }
ul, ol { margin: 0 0 1.1em; padding-left: 1.15em; }
li { margin-bottom: 0.45em; }
strong { font-weight: 500; color: var(--color-ink); }
:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 3px; border-radius: var(--radius-sm); }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 999;
  background: var(--color-accent); color: #fff; padding: 12px 18px; border-radius: 0 0 var(--radius-md) 0;
}
.skip-link:focus { left: 0; }

/* ------------------------------ Layout ---------------------------------- */
.wrap { width: 100%; max-width: var(--container-page); margin-inline: auto; padding-inline: var(--gutter); }
.narrow { max-width: var(--container-narrow); margin-inline: auto; }
.section { padding-block: var(--section-y); }
.section--surface { background: var(--color-surface); }
.section--ink { background: var(--color-ink); color: rgba(255,255,255,0.82); }
.section--ink h2, .section--ink h3, .section--ink strong { color: #fff; }
.section--accent { background: var(--color-accent); color: rgba(255,255,255,0.86); }
.section--accent h2, .section--accent h3, .section--accent strong { color: #fff; }
.divider { height: 1px; background: var(--color-line); border: 0; margin: 0; }

.eyebrow {
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  font-weight: 500;
  color: var(--color-accent);
  margin: 0 0 1rem;
}
.section--ink .eyebrow, .section--accent .eyebrow { color: rgba(255,255,255,0.62); }
.lede { font-size: var(--text-lg); line-height: var(--leading-relaxed); color: var(--color-ink-muted); }
.section--ink .lede, .section--accent .lede { color: rgba(255,255,255,0.8); }
.muted { color: var(--color-ink-subtle); }
.small { font-size: var(--text-sm); }
.center { text-align: center; }

.grid { display: grid; gap: clamp(1.25rem, 0.8rem + 1.8vw, 2.25rem); }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(19rem, 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(16.5rem, 1fr)); }
.grid--4 { grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr)); }
.split { display: grid; gap: clamp(2rem, 1rem + 4vw, 4.5rem); align-items: center; }
@media (min-width: 62rem) { .split { grid-template-columns: 1fr 1fr; } .split--wide-left { grid-template-columns: 1.15fr 0.85fr; } }

/* ------------------------------ Buttons --------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.85rem 1.6rem; border-radius: var(--radius-pill);
  font-size: var(--text-sm); font-weight: 500; letter-spacing: 0.01em;
  border: 1px solid transparent; cursor: pointer;
  transition: background var(--duration-micro) var(--ease-standard), color var(--duration-micro) var(--ease-standard), border-color var(--duration-micro) var(--ease-standard), transform var(--duration-micro) var(--ease-standard);
}
.btn:hover { transform: translateY(-1px); }
.btn--primary { background: var(--color-accent); color: var(--color-accent-ink); }
.btn--primary:hover { background: var(--color-accent-hover); }
.btn--ghost { border-color: var(--color-line-strong); color: var(--color-ink); }
.btn--ghost:hover { border-color: var(--color-ink); background: var(--color-surface); }
.btn--inverse { background: #fff; color: var(--color-ink); }
.btn--inverse:hover { background: rgba(255,255,255,0.88); }
.btn--outline-inverse { border-color: rgba(255,255,255,0.45); color: #fff; }
.btn--outline-inverse:hover { border-color: #fff; background: rgba(255,255,255,0.08); }
.btn-row { display: flex; flex-wrap: wrap; gap: 0.75rem; }

.textlink {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-size: var(--text-sm); font-weight: 500; color: var(--color-accent);
  border-bottom: 1px solid currentColor; padding-bottom: 2px;
  transition: opacity var(--duration-micro) var(--ease-standard);
}
.textlink:hover { opacity: 0.7; }
.section--ink .textlink, .section--accent .textlink { color: #fff; }

/* ------------------------------ Header ---------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--color-line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; min-height: var(--header-h); }
.brand { display: flex; flex-direction: column; line-height: 1.05; }
.brand__mark { font-family: var(--font-display); font-size: 1.0625rem; font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase; }
.brand__sub { font-size: var(--text-2xs); letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-ink-subtle); margin-top: 3px; }

.nav { display: none; }
@media (min-width: 68rem) { .nav { display: flex; align-items: center; gap: 1.6rem; } }
.nav a { font-size: var(--text-sm); color: var(--color-ink-muted); transition: color var(--duration-micro) var(--ease-standard); }
.nav a:hover, .nav a[aria-current="page"] { color: var(--color-ink); }
.nav__item { position: relative; }
.nav__trigger { display: inline-flex; align-items: center; gap: 0.3rem; background: none; border: 0; padding: 0; color: var(--color-ink-muted); font-size: var(--text-sm); cursor: pointer; }
.nav__trigger:hover { color: var(--color-ink); }
.nav__panel {
  position: absolute; top: calc(100% + 18px); left: 50%; transform: translateX(-50%) translateY(-6px);
  min-width: 19rem; background: #fff; border: 1px solid var(--color-line); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-overlay); padding: 0.75rem; opacity: 0; visibility: hidden;
  transition: opacity var(--duration-micro) var(--ease-standard), transform var(--duration-micro) var(--ease-standard), visibility var(--duration-micro);
}
.nav__item:hover .nav__panel, .nav__item:focus-within .nav__panel { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.nav__panel a { display: block; padding: 0.55rem 0.75rem; border-radius: var(--radius-md); font-size: var(--text-sm); color: var(--color-ink); }
.nav__panel a:hover { background: var(--color-surface); }
.nav__panel .nav__ko { color: var(--color-ink-subtle); font-size: var(--text-xs); margin-left: 0.35rem; }
.nav__group-label { font-size: var(--text-2xs); letter-spacing: var(--tracking-wide); text-transform: uppercase; color: var(--color-ink-subtle); padding: 0.6rem 0.75rem 0.3rem; }

.header-cta { display: none; }
@media (min-width: 68rem) { .header-cta { display: inline-flex; } }

.menu-toggle {
  display: inline-flex; align-items: center; gap: 0.5rem; background: none; border: 1px solid var(--color-line-strong);
  border-radius: var(--radius-pill); padding: 0.5rem 1rem; font-size: var(--text-sm); cursor: pointer;
}
@media (min-width: 68rem) { .menu-toggle { display: none; } }

.mobile-nav {
  display: none; border-top: 1px solid var(--color-line); background: #fff;
  max-height: calc(100vh - var(--header-h)); overflow-y: auto; padding: 1rem 0 2rem;
}
.mobile-nav[data-open="true"] { display: block; }
.mobile-nav a { display: block; padding: 0.7rem 0; border-bottom: 1px solid var(--color-line); font-size: var(--text-sm); }
.mobile-nav .nav__group-label { padding-left: 0; }
.mobile-nav .btn { margin-top: 1.25rem; width: 100%; }

/* ------------------------------- Hero ----------------------------------- */
.hero { position: relative; background: var(--color-ink); color: #fff; overflow: hidden; }
.hero__media { position: absolute; inset: 0; background: linear-gradient(135deg, #22302a 0%, #1c1a17 45%, #2e4a3c 100%); }
.hero__media::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(120% 90% at 78% 18%, rgba(255,255,255,0.14) 0%, rgba(255,255,255,0) 58%),
              linear-gradient(180deg, rgba(28,26,23,0.15) 0%, rgba(28,26,23,0.72) 100%);
}
.hero__inner { position: relative; padding-block: clamp(4.5rem, 2rem + 10vw, 9.5rem); }
.hero__content { max-width: 52rem; }
.hero h1 { color: #fff; margin-bottom: 0.6em; }
.hero__eyebrow { color: rgba(255,255,255,0.68); }
.hero__lede { font-size: var(--text-lg); line-height: var(--leading-relaxed); color: rgba(255,255,255,0.8); max-width: 40rem; }
.hero--page { padding-bottom: 0; }
.hero--page .hero__inner { padding-block: clamp(3.5rem, 2rem + 6vw, 6.5rem); }
.hero--page h1 { font-size: var(--text-4xl); }

.stat-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr)); gap: 1.5rem; margin-top: clamp(2.5rem, 1.5rem + 3vw, 4rem); border-top: 1px solid rgba(255,255,255,0.22); padding-top: 2rem; }
.stat__value { font-family: var(--font-display); font-size: var(--text-3xl); font-weight: 500; line-height: 1; color: #fff; }
.stat__label { font-size: var(--text-xs); letter-spacing: var(--tracking-wide); text-transform: uppercase; color: rgba(255,255,255,0.62); margin-top: 0.6rem; }

/* --------------------------- Breadcrumbs -------------------------------- */
.breadcrumb { font-size: var(--text-xs); color: var(--color-ink-subtle); padding-top: 1.25rem; }
.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: 0.5rem; padding: 0; margin: 0; }
.breadcrumb li::after { content: "/"; margin-left: 0.5rem; color: var(--color-line-strong); }
.breadcrumb li:last-child::after { content: ""; }
.breadcrumb a:hover { color: var(--color-ink); }

/* ------------------------------- Cards ---------------------------------- */
.card {
  background: var(--color-surface-raised); border: 1px solid var(--color-line);
  border-radius: var(--radius-lg); padding: clamp(1.4rem, 1rem + 1.2vw, 2rem);
  transition: transform var(--duration-entrance) var(--ease-entrance), box-shadow var(--duration-entrance) var(--ease-entrance), border-color var(--duration-micro) var(--ease-standard);
  display: flex; flex-direction: column; height: 100%;
}
a.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-raised); border-color: var(--color-line-strong); }
.card h3 { margin-bottom: 0.35em; }
.card p { color: var(--color-ink-muted); font-size: var(--text-sm); line-height: var(--leading-relaxed); }
.card__ko { font-size: var(--text-xs); letter-spacing: 0.04em; color: var(--color-ink-subtle); display: block; margin-bottom: 0.5rem; }
.card__meta { margin-top: auto; padding-top: 1rem; font-size: var(--text-xs); letter-spacing: var(--tracking-wide); text-transform: uppercase; color: var(--color-accent); }
.card--flag { border-left: 3px solid var(--color-accent); }

.numbered { counter-reset: step; list-style: none; padding: 0; }
.numbered > li { counter-increment: step; position: relative; padding-left: 3.25rem; margin-bottom: 1.75rem; }
.numbered > li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute; left: 0; top: 0.1rem;
  font-family: var(--font-display); font-size: var(--text-sm); font-weight: 500;
  color: var(--color-accent); letter-spacing: var(--tracking-wide);
}
.numbered h3 { font-size: var(--text-lg); margin-bottom: 0.3em; }
.numbered p { color: var(--color-ink-muted); font-size: var(--text-sm); margin-bottom: 0; }
.section--ink .numbered > li::before, .section--accent .numbered > li::before { color: rgba(255,255,255,0.65); }
.section--ink .numbered p, .section--accent .numbered p { color: rgba(255,255,255,0.78); }

/* ------------------------------- Tables --------------------------------- */
.spec { width: 100%; border-collapse: collapse; font-size: var(--text-sm); }
.spec th, .spec td { text-align: left; padding: 0.9rem 0; border-bottom: 1px solid var(--color-line); vertical-align: top; }
.spec th { width: 42%; font-weight: 500; color: var(--color-ink-subtle); font-size: var(--text-xs); letter-spacing: var(--tracking-wide); text-transform: uppercase; }
.spec td { color: var(--color-ink); }
.table-scroll { overflow-x: auto; }
.pricing-table { width: 100%; border-collapse: collapse; font-size: var(--text-sm); min-width: 34rem; }
.pricing-table th, .pricing-table td { text-align: left; padding: 1rem 1rem 1rem 0; border-bottom: 1px solid var(--color-line); }
.pricing-table thead th { font-size: var(--text-xs); letter-spacing: var(--tracking-wide); text-transform: uppercase; color: var(--color-ink-subtle); font-weight: 500; }
.pricing-table td:last-child, .pricing-table th:last-child { text-align: right; padding-right: 0; }

/* -------------------------------- FAQ ----------------------------------- */
.faq { border-top: 1px solid var(--color-line); }
.faq details { border-bottom: 1px solid var(--color-line); }
.faq summary {
  list-style: none; cursor: pointer; padding: 1.35rem 2.5rem 1.35rem 0; position: relative;
  font-family: var(--font-display); font-size: var(--text-lg); font-weight: 500; line-height: 1.45;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; position: absolute; right: 0.35rem; top: 1.85rem; width: 12px; height: 12px;
  border-right: 1.5px solid var(--color-line-strong); border-bottom: 1.5px solid var(--color-line-strong);
  transform: rotate(45deg); transition: transform var(--duration-micro) var(--ease-standard);
}
.faq details[open] summary::after { transform: rotate(-135deg); top: 2.1rem; }
.faq .faq__body { padding: 0 2.5rem 1.6rem 0; color: var(--color-ink-muted); font-size: var(--text-sm); line-height: var(--leading-relaxed); }
.faq .faq__body p:last-child { margin-bottom: 0; }

/* ------------------------------ Quote ----------------------------------- */
.pull {
  font-family: var(--font-display); font-size: var(--text-2xl); font-weight: 400;
  line-height: 1.38; letter-spacing: var(--tracking-tight); color: var(--color-ink);
}
.section--ink .pull, .section--accent .pull { color: #fff; }
.pull__cite { display: block; margin-top: 1.5rem; font-family: var(--font-body); font-size: var(--text-xs); letter-spacing: var(--tracking-wide); text-transform: uppercase; color: var(--color-ink-subtle); }
.section--ink .pull__cite, .section--accent .pull__cite { color: rgba(255,255,255,0.6); }

/* ------------------------- Media placeholders --------------------------- */
.media {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  background: linear-gradient(145deg, #efece6 0%, #e3ddd1 55%, #d6cec0 100%);
  aspect-ratio: 4 / 5;
}
.media--wide { aspect-ratio: 16 / 10; }
.media--square { aspect-ratio: 1 / 1; }
.media img { width: 100%; height: 100%; object-fit: cover; }
.media__caption {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 1.25rem;
  font-size: var(--text-xs); letter-spacing: 0.02em; color: var(--color-ink-subtle);
  background: linear-gradient(180deg, rgba(252,251,250,0) 0%, rgba(252,251,250,0.92) 70%);
}

/* ------------------------------ Results --------------------------------- */
.result-slot { border: 1px solid var(--color-line); border-radius: var(--radius-lg); overflow: hidden; background: var(--color-surface); }
.result-slot__pair { display: grid; grid-template-columns: 1fr 1fr; }
.result-slot__cell { aspect-ratio: 1 / 1; background: linear-gradient(145deg, #efece6, #ded7c9); position: relative; }
.result-slot__cell + .result-slot__cell { border-left: 1px solid var(--color-line); }
.result-slot__tag { position: absolute; top: 0.75rem; left: 0.75rem; font-size: var(--text-2xs); letter-spacing: var(--tracking-wide); text-transform: uppercase; color: var(--color-ink-subtle); background: rgba(255,255,255,0.85); padding: 0.25rem 0.5rem; border-radius: var(--radius-pill); }
.result-slot__body { padding: 1.1rem 1.25rem; font-size: var(--text-sm); }
.result-slot__body p { margin: 0; color: var(--color-ink-muted); }

/* ------------------------------ Notices --------------------------------- */
.notice {
  border: 1px solid var(--color-line); border-left: 3px solid var(--color-accent);
  background: var(--color-surface); border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem; font-size: var(--text-sm); color: var(--color-ink-muted);
}
.notice strong { display: block; margin-bottom: 0.35rem; color: var(--color-ink); }
.notice p:last-child { margin-bottom: 0; }

.chip-row { display: flex; flex-wrap: wrap; gap: 0.5rem; list-style: none; padding: 0; margin: 0; }
.chip { font-size: var(--text-xs); letter-spacing: 0.02em; border: 1px solid var(--color-line); border-radius: var(--radius-pill); padding: 0.4rem 0.9rem; color: var(--color-ink-muted); background: #fff; margin: 0; }
.section--ink .chip, .section--accent .chip { border-color: rgba(255,255,255,0.28); background: transparent; color: rgba(255,255,255,0.8); }

/* ------------------------------ Footer ---------------------------------- */
.site-footer { background: var(--color-ink); color: rgba(255,255,255,0.68); font-size: var(--text-sm); }
.site-footer a { color: rgba(255,255,255,0.68); transition: color var(--duration-micro) var(--ease-standard); }
.site-footer a:hover { color: #fff; }
.footer-top { display: grid; gap: clamp(2rem, 1rem + 3vw, 3.5rem); padding-block: clamp(3rem, 2rem + 4vw, 5rem); }
@media (min-width: 60rem) { .footer-top { grid-template-columns: 1.2fr 0.9fr 0.9fr 1.1fr; } }
.footer-col h4 { font-size: var(--text-xs); letter-spacing: var(--tracking-wide); text-transform: uppercase; color: rgba(255,255,255,0.45); font-weight: 500; margin-bottom: 1.1rem; }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: 0.6rem; }
.footer-brand__mark { font-family: var(--font-display); font-size: 1.0625rem; font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase; color: #fff; }
.footer-brand p { margin-top: 1rem; max-width: 22rem; line-height: var(--leading-relaxed); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.14); padding-block: 1.6rem; display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; font-size: var(--text-xs); color: rgba(255,255,255,0.45); }

/* ------------------------- Sticky mobile CTA ---------------------------- */
.mobile-cta {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 90;
  display: grid; grid-template-columns: 1fr 1fr; gap: 1px;
  background: var(--color-line); border-top: 1px solid var(--color-line);
}
.mobile-cta a { display: flex; align-items: center; justify-content: center; padding: 0.95rem 1rem; font-size: var(--text-sm); font-weight: 500; background: #fff; }
.mobile-cta a.is-primary { background: var(--color-accent); color: #fff; }
@media (min-width: 68rem) { .mobile-cta { display: none; } }
@media (max-width: 67.99rem) { body { padding-bottom: 56px; } }

/* ------------------------------ Motion ---------------------------------- */
[data-reveal] { opacity: 0; transform: translateY(16px); transition: opacity 0.6s var(--ease-entrance), transform 0.6s var(--ease-entrance); }
[data-reveal].is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  [data-reveal] { opacity: 1; transform: none; }
}

/* ------------------------------- Prose ---------------------------------- */
.prose h2 { margin-top: 2.5em; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { margin-top: 2em; }
.prose p, .prose li { color: var(--color-ink-muted); line-height: var(--leading-relaxed); }
.prose a:not(.btn):not(.textlink) { color: var(--color-accent); border-bottom: 1px solid var(--color-line-strong); }
.toc { background: var(--color-surface); border: 1px solid var(--color-line); border-radius: var(--radius-lg); padding: 1.5rem 1.75rem; }
.toc h2 { font-size: var(--text-xs) !important; letter-spacing: var(--tracking-wide); text-transform: uppercase; color: var(--color-ink-subtle); margin: 0 0 0.9rem !important; font-weight: 500; }
.toc ol { margin: 0; padding-left: 1.1em; font-size: var(--text-sm); }
.toc a:hover { color: var(--color-accent); }

/* ------------------------- Before / after gallery ----------------------- */
.filter-bar {
  display: flex; flex-wrap: wrap; gap: 0.5rem;
  margin: 2.5rem 0 2rem; padding-bottom: 1.75rem;
  border-bottom: 1px solid var(--color-line);
}
.chip--filter {
  font-family: inherit; cursor: pointer;
  display: inline-flex; align-items: baseline; gap: 0.35rem;
  font-size: var(--text-xs); letter-spacing: 0.02em;
  border: 1px solid var(--color-line); border-radius: var(--radius-pill);
  padding: 0.5rem 1rem; color: var(--color-ink-muted); background: #fff;
  transition: background var(--duration-micro) var(--ease-standard),
              color var(--duration-micro) var(--ease-standard),
              border-color var(--duration-micro) var(--ease-standard);
}
.chip--filter:hover { border-color: var(--color-line-strong); color: var(--color-ink); }
.chip--filter.is-active { background: var(--color-accent); border-color: var(--color-accent); color: #fff; }
.chip--filter.is-active .nav__ko { color: rgba(255,255,255,0.7); }

.case-grid {
  display: grid; gap: clamp(1rem, 0.6rem + 1.4vw, 1.75rem);
  grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr));
}
.case {
  margin: 0; background: var(--color-surface-raised);
  border: 1px solid var(--color-line); border-radius: var(--radius-lg);
  overflow: hidden; display: flex; flex-direction: column;
  transition: transform var(--duration-entrance) var(--ease-entrance),
              box-shadow var(--duration-entrance) var(--ease-entrance);
}
.case:hover { transform: translateY(-3px); box-shadow: var(--shadow-raised); }
.case[hidden] { display: none; }
.case img { width: 100%; height: auto; aspect-ratio: 1 / 1; object-fit: cover; background: var(--color-surface); }
.case figcaption { padding: 1rem 1.15rem 1.25rem; border-top: 1px solid var(--color-line); }
.case__ko { display: block; font-size: var(--text-2xs); letter-spacing: 0.04em; color: var(--color-ink-subtle); margin-bottom: 0.3rem; }
.case figcaption strong { display: block; font-size: var(--text-sm); font-weight: 500; line-height: 1.4; color: var(--color-ink); }
.case__meta { display: block; margin-top: 0.5rem; font-size: var(--text-2xs); letter-spacing: var(--tracking-wide); text-transform: uppercase; color: var(--color-accent); }

.stat-row--light { border-top-color: var(--color-line); margin-top: 2.5rem; padding-top: 1.75rem; }
.stat-row--light .stat__value { color: var(--color-ink); }
.stat-row--light .stat__label { color: var(--color-ink-subtle); }

/* Lightbox */
.lightbox {
  position: fixed; inset: 0; z-index: 200; display: none;
  background: rgba(28, 26, 23, 0.92); padding: clamp(1rem, 4vw, 3rem);
  align-items: center; justify-content: center;
}
.lightbox[data-open="true"] { display: flex; }
.lightbox img { max-width: min(92vw, 780px); max-height: 82vh; width: auto; border-radius: var(--radius-md); }
.lightbox__caption { position: absolute; left: 0; right: 0; bottom: clamp(1rem, 3vw, 2rem); text-align: center; color: rgba(255,255,255,0.82); font-size: var(--text-sm); padding-inline: 1.5rem; }
.lightbox__close, .lightbox__nav {
  position: absolute; background: rgba(255,255,255,0.12); border: 0; color: #fff;
  width: 44px; height: 44px; border-radius: var(--radius-pill); cursor: pointer; font-size: 1.25rem; line-height: 1;
}
.lightbox__close { top: clamp(1rem, 3vw, 2rem); right: clamp(1rem, 3vw, 2rem); }
.lightbox__nav--prev { left: clamp(0.5rem, 2vw, 2rem); top: 50%; transform: translateY(-50%); }
.lightbox__nav--next { right: clamp(0.5rem, 2vw, 2rem); top: 50%; transform: translateY(-50%); }
.lightbox__close:hover, .lightbox__nav:hover { background: rgba(255,255,255,0.24); }

/* Terminology — visible "also known as" synonyms on procedure pages ------- */
.chip-list {
  display: flex; flex-wrap: wrap; gap: 0.55rem;
  list-style: none; padding: 0; margin: 1.75rem 0 0;
}
.chip--term {
  font-size: var(--text-sm);
  border: 1px solid var(--color-line-strong);
  border-radius: var(--radius-pill);
  padding: 0.5rem 1.05rem;
  color: var(--color-ink);
  background: #fff;
  margin: 0;
}
.card__aka {
  display: block; margin-top: 0.85rem;
  font-size: var(--text-xs); letter-spacing: 0.01em;
  color: var(--color-ink-subtle);
}

/* Brand logo + real photography ------------------------------------------ */
.brand { flex-direction: row; align-items: center; gap: 0.7rem; }
.brand__logo { width: 36px; height: auto; flex: none; }
.brand__text { display: flex; flex-direction: column; line-height: 1.05; }
.footer-brand__logo { width: 40px; height: auto; margin-bottom: 0.9rem; display: block; }
.hero__img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero__media:has(.hero__img)::after {
  background: linear-gradient(90deg, rgba(20,19,17,0.86) 0%, rgba(20,19,17,0.62) 48%, rgba(20,19,17,0.28) 100%),
              linear-gradient(180deg, rgba(20,19,17,0.10) 0%, rgba(20,19,17,0.55) 100%);
}
.media > img { position: absolute; inset: 0; }
.media .media__caption { z-index: 1; }
.interior-grid {
  display: grid; gap: 0.75rem; margin-top: 2.75rem;
  grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 40rem) { .interior-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 62rem) { .interior-grid { grid-template-columns: repeat(4, 1fr); } }
.interior { margin: 0; border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 3 / 4; background: var(--color-line); }
.interior img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease-standard); }
.interior:hover img { transform: scale(1.03); }

/* AEO: quick answer, medical review line, comparison table ---------------- */
.quick-answer {
  border-left: 3px solid var(--color-accent); background: var(--color-accent-soft);
  padding: 1.25rem 1.5rem; border-radius: 0 var(--radius-md) var(--radius-md) 0; margin: 0 0 1rem;
}
.quick-answer .eyebrow { margin-bottom: 0.5rem; }
.quick-answer p:last-child { margin: 0; font-size: var(--text-lg); line-height: var(--leading-relaxed); color: var(--color-ink); }
.reviewed { font-size: var(--text-xs); color: var(--color-ink-subtle); margin: 0; }
.reviewed a { text-decoration: underline; }
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.compare { width: 100%; min-width: 40rem; border-collapse: collapse; font-size: var(--text-sm); }
.compare th, .compare td { text-align: left; vertical-align: top; padding: 0.9rem 0.8rem; border-bottom: 1px solid var(--color-line); }
.compare thead th { font-size: var(--text-xs); letter-spacing: var(--tracking-wide); text-transform: uppercase; color: var(--color-ink-subtle); font-weight: 500; }
.compare a { color: var(--color-accent); }

/* Header fit after adding the logo: never wrap nav labels; switch to the
   mobile menu a little earlier so the row never gets crowded. */
.nav a, .nav__trigger, .header-cta, .brand__mark, .brand__sub { white-space: nowrap; }
@media (min-width: 68rem) and (max-width: 77.99rem) {
  .nav, .header-cta { display: none !important; }
  .menu-toggle { display: inline-flex !important; }
  .mobile-cta { display: grid !important; }
}
@media (min-width: 78rem) { .nav { gap: 1.35rem; } }

/* ---- i18n: language switcher, script-specific fonts, RTL ---------------- */
.lang-switch { position: relative; font-size: var(--text-sm); }
.lang-switch summary { list-style: none; cursor: pointer; display: inline-flex; align-items: center; gap: .35rem; padding: .4rem .6rem; border: 1px solid var(--color-line); border-radius: var(--radius-pill); white-space: nowrap; }
.lang-switch summary::-webkit-details-marker { display: none; }
.lang-switch ul { position: absolute; top: calc(100% + 8px); inset-inline-end: 0; z-index: 120; margin: 0; padding: .5rem 0; list-style: none; min-width: 11rem; background: #fff; border: 1px solid var(--color-line); border-radius: 12px; box-shadow: 0 12px 32px rgba(0,0,0,.08); }
.lang-switch li a { display: block; padding: .45rem 1rem; color: inherit; text-decoration: none; }
.lang-switch li a:hover, .lang-switch li a[aria-current] { background: rgba(46,74,60,.07); }
.mobile-nav .lang-list, .footer-langs { display: flex; flex-wrap: wrap; gap: .35rem 1rem; list-style: none; padding: 0; margin: 1rem 0 0; font-size: var(--text-sm); }
.footer-langs a { color: rgba(255,255,255,.7); }
@media (max-width: 40rem) { .header-inner .lang-switch { display: none; } }

:lang(ja) { --font-body: "Poppins", "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP", "Yu Gothic", Meiryo, sans-serif; --font-display: var(--font-body); }
:lang(zh-Hans) { --font-body: "Poppins", "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif; --font-display: var(--font-body); }
:lang(zh-Hant) { --font-body: "Poppins", "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", sans-serif; --font-display: var(--font-body); }
:lang(ar) { --font-body: "Noto Sans Arabic", "Poppins", Tahoma, sans-serif; --font-display: var(--font-body); }
:lang(th) { --font-body: "Poppins", "Noto Sans Thai", Tahoma, sans-serif; --font-display: var(--font-body); }
:lang(ja) h1, :lang(ja) h2, :lang(ja) h3, :lang(zh-Hans) h1, :lang(zh-Hans) h2, :lang(zh-Hans) h3,
:lang(zh-Hant) h1, :lang(zh-Hant) h2, :lang(zh-Hant) h3, :lang(ar) h1, :lang(ar) h2, :lang(ar) h3,
:lang(th) h1, :lang(th) h2, :lang(th) h3 { letter-spacing: 0; line-height: 1.35; }
:lang(ja) body, :lang(zh-Hans) body, :lang(zh-Hant) body { line-break: strict; word-break: normal; overflow-wrap: anywhere; }
:lang(th) body, :lang(ar) body { line-height: 1.8; }

[dir="rtl"] ul, [dir="rtl"] ol { padding-left: 0; padding-right: 1.15em; }
[dir="rtl"] .skip-link { left: auto; right: -9999px; }
[dir="rtl"] .skip-link:focus { left: auto; right: 0; }
html, body { overflow-x: clip; }
[dir="rtl"] .nav__panel .nav__ko { margin-left: 0; margin-right: .35rem; }
[dir="rtl"] .breadcrumb li::after { margin-left: 0; margin-right: .5rem; }
[dir="rtl"] .card--flag { border-left: 0; border-right: 3px solid var(--color-accent); }
[dir="rtl"] .numbered > li { padding-left: 0; padding-right: 3.25rem; }
[dir="rtl"] .numbered > li::before { left: auto; right: 0; }
[dir="rtl"] .spec th, [dir="rtl"] .spec td, [dir="rtl"] .pricing-table th, [dir="rtl"] .pricing-table td { text-align: right; }
[dir="rtl"] .pricing-table th, [dir="rtl"] .pricing-table td { padding: 1rem 0 1rem 1rem; }
[dir="rtl"] .pricing-table td:last-child, [dir="rtl"] .pricing-table th:last-child { text-align: left; padding-left: 0; }
[dir="rtl"] .result-slot__cell + .result-slot__cell { border-left: 0; border-right: 1px solid var(--color-line); }
[dir="rtl"] .result-slot__tag { left: auto; right: .75rem; }
[dir="rtl"] .toc ol { padding-left: 0; padding-right: 1.1em; }
[dir="rtl"] .brand, [dir="rtl"] .footer-bottom { direction: rtl; }
[dir="rtl"] [href^="tel:"], [dir="rtl"] .ltr { direction: ltr; unicode-bidi: embed; }


/* MEGA MENU & 2-COLUMN DROPDOWN FIX - SINSA L */
.nav__panel--mega {
  display: grid !important;
  grid-template-columns: 18.5rem 18.5rem !important;
  gap: 1.25rem !important;
  min-width: 39rem !important;
  max-width: 92vw !important;
  max-height: calc(100vh - 90px) !important;
  overflow-y: auto !important;
  padding: 1.25rem !important;
  left: 0 !important;
  transform: translateY(-6px) !important;
}
.nav__item:hover .nav__panel--mega, .nav__item:focus-within .nav__panel--mega {
  opacity: 1 !important;
  visibility: visible !important;
  transform: translateY(0) !important;
}
.nav__panel--mega .nav__mega-col {
  display: flex !important;
  flex-direction: column !important;
}
.nav__panel--mega a {
  padding: 0.42rem 0.65rem !important;
  line-height: 1.35 !important;
  font-size: 0.88rem !important;
}
.nav__panel--mega .nav__group-label {
  margin-bottom: 0.35rem !important;
  font-weight: 700 !important;
  color: var(--color-brand, #2e4a3c) !important;
  text-transform: uppercase !important;
  letter-spacing: 0.5px !important;
  font-size: 0.72rem !important;
}