/* =========================================================
   디코치과 — Dynamic Clinical Infusion (디자인 샘플)
   ========================================================= */

/* ---------- Design tokens ---------- */
:root {
  /* Color system */
  --color-bg: #F7F8FB;            /* Background */
  --color-surface: #FFFFFF;       /* Surface */
  --color-ink: #0F172A;           /* Ink / primary */
  --color-text: #1F2937;          /* Text */
  --color-text-sub: #5B6B7A;      /* Secondary text */
  --color-border: #E7ECF3;        /* Border */
  --color-accent: #0FA3B1;        /* Dynamic accent */
  --color-accent-ink: #0B7680;    /* Accent ink (WCAG) */
  --color-primary: #101828;       /* Primary */
  --color-primary-hover: #0B131F; /* Primary hover */
  --color-bg-deep: #EDF1F7;
  --color-ring: rgba(15, 23, 42, .06);

  --font-sans: "Pretendard Variable", Pretendard, "Noto Sans KR", -apple-system, BlinkMacSystemFont,
    "Apple SD Gothic Neo", "Malgun Gothic", system-ui, sans-serif;

  /* Type scale */
  --fs-hero: clamp(2.125rem, 1.6rem + 2.8vw, 4.25rem);
  --fs-section: clamp(1.8125rem, 1.4rem + 1.7vw, 2.875rem);
  --fs-h3: clamp(1.3125rem, 1.2rem + .4vw, 1.4375rem);       /* 21 → 23px */
  --fs-body: clamp(1rem, .96rem + .2vw, 1.075rem);
  --fs-lead: clamp(1.0625rem, 1rem + .25vw, 1.1875rem);
  --fs-small: .9375rem;
  --fs-label: .8125rem;

  /* Layout */
  --container: 1220px;
  --gutter: 20px;
  --header-h: 72px;
  --section-py: clamp(72px, 6vw, 128px);

  --radius-sm: 12px;
  --radius: 20px;
  --radius-lg: 32px;
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, .06);
  --shadow: 0 20px 44px -26px rgba(16, 24, 40, .22);
  --ease: cubic-bezier(.2, .7, .2, 1);
}

@media (min-width: 768px) {
  :root { --gutter: 32px; --header-h: 78px; }
}
@media (min-width: 1120px) {
  :root { --gutter: 44px; --header-h: 84px; }
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: calc(var(--header-h) + 20px);
}
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: 1.75;
  letter-spacing: -0.01em;
  word-break: keep-all;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, p, ul, ol, dl, dd, figure, blockquote { margin: 0; }
ul[role="list"], ol[role="list"] { list-style: none; padding: 0; }
img, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; }
button { font: inherit; color: inherit; }

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: 8px;
}
:focus:not(:focus-visible) { outline: none; }

.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute;
  left: 16px; top: -100px;
  z-index: 220;
  padding: 12px 18px;
  background: var(--color-primary);
  color: #fff;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-sm);
}
.skip-link:focus { top: 12px; outline-color: #fff; }

#main:focus,
section[tabindex="-1"]:focus { outline: none; }

.container {
  width: min(var(--container), 100% - var(--gutter) * 2);
  margin-inline: auto;
}

.container--bleed-mobile {
  width: 100%;
}

.line { display: inline-block; }

.icon {
  width: 24px; height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex: none;
}
.icon--sm { width: 20px; height: 20px; stroke-width: 1.7; }
.icon--lg { width: 48px; height: 48px; stroke-width: 1.4; }

/* ---------- Placeholder 표시 ---------- */
.ph {
  display: inline;
  padding: .08em .45em;
  border: 1px dashed var(--color-accent);
  border-radius: 7px;
  background: rgba(15, 163, 177, .08);
  color: var(--color-accent-ink);
  font-weight: 500;
  font-size: .94em;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}
.ph--block {
  display: block;
  width: fit-content;
  margin-bottom: .6em;
  font-size: .8125rem;
  font-style: normal;
}

/* ---------- Sample banner ---------- */
.sample-banner {
  background: var(--color-primary);
  color: #E8EDF5;
  font-size: .8125rem;
  line-height: 1.55;
}
.sample-banner__inner {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-block: 10px;
}
@media (max-width: 479.98px) {
  .sample-banner { font-size: .75rem; }
  .sample-banner__inner { align-items: flex-start; padding-block: 9px; }
}
.sample-banner__tag {
  flex: none;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--color-accent);
  color: #fff;
  font-weight: 700;
  font-size: .75rem;
  letter-spacing: 0;
}
.sample-banner__link { color: #CFF7FB; text-decoration: underline; text-underline-offset: 3px; white-space: nowrap; }
.sample-banner__link:hover { color: #fff; }
.sample-banner__link:focus-visible { outline: 2px solid #fff; outline-offset: 2px; border-radius: 2px; }
.sample-banner .ph {
  border-color: rgba(255, 255, 255, .35);
  background: transparent;
  color: #fff;
  padding: 0 .3em;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 54px;
  padding: 0 28px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color .25s var(--ease), color .25s var(--ease),
    border-color .25s var(--ease), transform .25s var(--ease), box-shadow .25s var(--ease);
}
.btn--sm { min-height: 44px; padding: 0 20px; font-size: .9375rem; }

.btn--primary { background: var(--color-primary); color: #fff; }
.btn--primary:hover { background: var(--color-primary-hover); box-shadow: 0 14px 28px -16px rgba(16, 24, 40, .45); }

.btn--ghost { background: transparent; color: var(--color-primary); border-color: rgba(16, 24, 40, .18); }
.btn--ghost:hover { border-color: var(--color-primary); background: var(--color-surface); }

.btn--light { background: #fff; color: var(--color-primary); }
.btn--light:hover { background: #E6F9FB; box-shadow: 0 14px 28px -18px rgba(15, 163, 177, .65); }
.btn--light:focus-visible { outline-color: #fff; }

.btn:active { transform: translateY(1px); }

.btn:disabled,
.btn[aria-disabled="true"] {
  background: var(--color-bg-deep);
  color: var(--color-text-sub);
  border: 1px dashed #C7D0DB;
  box-shadow: none;
  cursor: not-allowed;
  transform: none;
}

.btn-note {
  margin-top: 12px;
  color: var(--color-text-sub);
  font-size: .8125rem;
  line-height: 1.6;
}

.text-link {
  color: var(--color-primary);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: var(--color-accent);
  text-underline-offset: 3px;
}
.text-link:hover { text-decoration-color: var(--color-primary); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 120;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0);
  border-bottom: 1px solid transparent;
  transition: background-color .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.site-header.is-scrolled,
.site-header.is-open {
  background: rgba(255, 255, 255, .94);
  border-bottom-color: var(--color-border);
  box-shadow: 0 10px 28px -22px rgba(16, 24, 40, .35);
}
@supports (backdrop-filter: blur(8px)) or (-webkit-backdrop-filter: blur(8px)) {
  .site-header.is-scrolled {
    background: rgba(255, 255, 255, .82);
    -webkit-backdrop-filter: saturate(140%) blur(12px);
    backdrop-filter: saturate(140%) blur(12px);
  }
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 100%;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--color-ink);
}
.logo__mark { width: 36px; height: 36px; }
.logo__text { display: flex; flex-direction: column; line-height: 1.15; }
.logo__ko { font-size: 1.25rem; font-weight: 700; letter-spacing: -0.03em; }
.logo__en { font-size: .625rem; font-weight: 600; letter-spacing: .18em; color: var(--color-accent-ink); }

/* Nav toggle (mobile/tablet) */
.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  margin-right: -8px;
  padding: 0;
  border: 0;
  border-radius: 12px;
  background: transparent;
  cursor: pointer;
}
.nav-toggle__bars { position: relative; width: 22px; height: 16px; }
.nav-toggle__bars span {
  position: absolute;
  left: 0;
  width: 100%; height: 1.75px;
  border-radius: 2px;
  background: var(--color-primary);
  transition: transform .3s var(--ease), opacity .2s var(--ease), top .3s var(--ease);
}
.nav-toggle__bars span:nth-child(1) { top: 0; }
.nav-toggle__bars span:nth-child(2) { top: 7px; }
.nav-toggle__bars span:nth-child(3) { top: 14px; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1) { top: 7px; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(3) { top: 7px; transform: rotate(-45deg); }

/* Mobile/tablet nav panel */
@media (max-width: 1119.98px) {
  .site-nav {
    position: fixed;
    left: 0; right: 0;
    top: var(--nav-top, var(--header-h));
    bottom: 0;
    display: flex;
    flex-direction: column;
    gap: 22px;
    padding: 14px var(--gutter) calc(30px + env(safe-area-inset-bottom));
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    overflow-y: auto;
    overscroll-behavior: contain;
    visibility: hidden;
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity .25s var(--ease), transform .25s var(--ease), visibility 0s linear .25s;
  }
  html:not(.js) .nav-toggle { display: none; }

  .site-nav.is-open {
    visibility: visible;
    opacity: 1;
    transform: none;
    transition: opacity .25s var(--ease), transform .25s var(--ease), visibility 0s;
  }
  .site-nav__list { list-style: none; margin: 0; padding: 0; }
  .site-nav__list li { border-bottom: 1px solid var(--color-border); }
  .site-nav__list a {
    display: flex;
    align-items: center;
    min-height: 58px;
    font-size: 1.125rem;
    font-weight: 600;
    text-decoration: none;
    color: var(--color-primary);
  }
  .site-nav__cta { width: 100%; min-height: 54px; }
}

/* Desktop nav */
@media (min-width: 1120px) {
  .nav-toggle { display: none; }
  .site-nav {
    display: flex;
    align-items: center;
    gap: 34px;
  }
  .site-nav__list {
    display: flex;
    align-items: center;
    gap: 28px;
    list-style: none;
    margin: 0; padding: 0;
  }
  .site-nav__list a {
    position: relative;
    display: inline-block;
    padding: 6px 0;
    font-size: .9375rem;
    font-weight: 500;
    color: var(--color-text);
    text-decoration: none;
    transition: color .2s var(--ease);
  }
  .site-nav__list a::after {
    content: "";
    position: absolute;
    left: 0; right: 0; bottom: 0;
    height: 1.5px;
    background: var(--color-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .3s var(--ease);
  }
  .site-nav__list a:hover,
  .site-nav__list a.is-active { color: var(--color-primary); }
  .site-nav__list a:hover::after,
  .site-nav__list a.is-active::after { transform: scaleX(1); }
}

body.nav-open { overflow: hidden; }

/* ---------- Common section ---------- */
.section { padding-block: var(--section-py); }
.section--surface { background: var(--color-surface); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  color: var(--color-accent-ink);
  font-size: var(--fs-label);
  font-weight: 700;
  letter-spacing: .16em;
  line-height: 1.4;
}
.eyebrow::before {
  content: "";
  width: 22px; height: 1.5px;
  background: var(--color-accent);
}
.eyebrow--light { color: #CFF7FB; }
.eyebrow--light::before { background: #CFF7FB; }

.section-title {
  color: var(--color-ink);
  font-size: var(--fs-section);
  font-weight: 750;
  line-height: 1.24;
  letter-spacing: -0.035em;
}

.section-head { margin-bottom: clamp(40px, 4vw, 64px); max-width: 720px; }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head--center .eyebrow::after {
  content: "";
  width: 22px; height: 1.5px;
  background: var(--color-accent);
}

.notice {
  margin-top: 32px;
  color: var(--color-text-sub);
  font-size: var(--fs-small);
  text-align: center;
}
.notice--left { text-align: left; margin-top: 24px; font-size: .875rem; }

/* ---------- Media frames ---------- */
.media {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--color-bg-deep);
  aspect-ratio: 4 / 3;
}
.media img { width: 100%; height: 100%; object-fit: cover; }
.media--portrait { aspect-ratio: 3 / 4; }
.media__badge {
  position: absolute;
  left: 16px; bottom: 16px;
  padding: 5px 11px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .9);
  color: var(--color-text-sub);
  font-size: .75rem;
  font-weight: 500;
  line-height: 1.5;
}

/* ---------- 1. Hero ---------- */
.hero {
  position: relative;
  padding-block: clamp(48px, 7vw, 104px) clamp(76px, 8vw, 136px);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  right: -12%; top: -14%;
  width: 64vw; height: 64vw;
  max-width: 880px; max-height: 880px;
  border-radius: 50%;
  background:
    radial-gradient(closest-side, rgba(15, 163, 177, .16), rgba(15, 163, 177, 0)),
    repeating-linear-gradient(115deg, rgba(16, 24, 40, .03) 0 1px, transparent 1px 22px);
  pointer-events: none;
}
.hero__grid {
  position: relative;
  display: grid;
  gap: 44px;
  align-items: center;
}
.hero__title {
  color: var(--color-ink);
  font-size: var(--fs-hero);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.045em;
}
.hero__title .line { display: block; }
.hero__desc {
  max-width: 34em;
  margin-top: 26px;
  color: var(--color-text);
  font-size: var(--fs-lead);
  line-height: 1.8;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 38px;
}
.hero__sub {
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-sub);
  font-size: .875rem;
  letter-spacing: .05em;
}
.hero__media { position: relative; }
.scroll-tooth {
  position: fixed;
  right: 10%;
  top: 34%;
  width: 150px;
  height: auto;
  opacity: .7;
  filter: drop-shadow(0 18px 30px rgba(15, 163, 177, .32));
  pointer-events: none;
  transform: translate3d(0, var(--scroll-tooth-y, 0px), 0) rotate(var(--scroll-tooth-rot, 0deg));
  transform-origin: center bottom;
  will-change: transform, opacity;
  z-index: 2;
}
@media (max-width: 767.98px) {
  .scroll-tooth { width: 100px; right: 9%; top: 30%; opacity: .5; }
}
/* 3D 치아(js/tooth-3d.js): 화면 전체 고정 캔버스, 클릭은 아래로 통과. 켜지면 SVG 치아를 숨긴다 */
.tooth-3d { position: fixed; inset: 0; z-index: 3; pointer-events: none; }
.tooth-3d canvas { display: block; width: 100%; height: 100%; }
.tooth3d-on .scroll-tooth { display: none; }
.hero__media .media { box-shadow: var(--shadow); }
.hero__media::after {
  content: "";
  position: absolute;
  top: -16px; right: -18px;
  width: 96px; height: 96px;
  border-radius: 50%;
  background: radial-gradient(closest-side, var(--color-accent), rgba(15, 163, 177, 0));
  opacity: .5;
  pointer-events: none;
}
.hero__stamp {
  position: absolute;
  right: -26px; bottom: 22px;
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--color-primary);
  color: #CFF7FB;
  font-size: .6875rem;
  font-weight: 800;
  letter-spacing: .22em;
  transform: rotate(-4deg);
  box-shadow: var(--shadow-sm);
}

@media (max-width: 479.98px) {
  .hero__actions .btn { flex: 1 1 100%; }
}
@media (min-width: 1024px) {
  .hero__grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr); gap: 64px; }
}

/* ---------- 2. About ---------- */
.about__head {
  display: grid;
  gap: 10px 64px;
  margin-bottom: clamp(42px, 4vw, 68px);
}
.about__head .section-head { margin-bottom: 0; }
.about__lead {
  color: var(--color-text);
  font-size: var(--fs-lead);
  line-height: 1.85;
  max-width: 36em;
}
@media (min-width: 1024px) {
  .about__head { grid-template-columns: 1.05fr 1fr; align-items: end; }
}

.values { display: grid; gap: 16px; }
@media (min-width: 768px) {
  .values { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
}
.value-card {
  position: relative;
  padding: 40px 30px 34px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
}
.value-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: rgba(15, 163, 177, .35); }
/* Squishy 블록: 배경 도형(.squishy-bg)은 site-motion.js 가 넣고 hover 시 변형, 이동은 GSAP 스케일로 대체 */
/* position:relative 필수 — 없으면 등장 애니메이션의 transform 이 지워진 뒤 도형(inset:0)이 화면 전체로 번진다 */
[data-squishy] { position: relative; overflow: hidden; isolation: isolate; }
[data-squishy] > :not(.squishy-bg) { position: relative; z-index: 1; }
[data-squishy] > .value-card__num { position: absolute; }
.squishy-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  fill: rgba(15, 163, 177, .06);
  overflow: visible;
  pointer-events: none;
  transition: fill .6s var(--ease);
}
[data-squishy]:hover .squishy-bg { fill: rgba(15, 163, 177, .1); }
.has-motion [data-squishy]:hover { transform: none; }
/* 모바일 스텝은 박스가 아닌 타임라인이라 도형을 숨기고 연결선이 보이도록 */
@media (max-width: 1023.98px) {
  .step[data-squishy] { overflow: visible; }
  .step .squishy-bg { display: none; }
}
.value-card .icon { color: var(--color-accent); }
.value-card__num {
  position: absolute;
  top: 30px; right: 30px;
  color: rgba(15, 163, 177, .7);
  font-size: .875rem;
  font-weight: 800;
  letter-spacing: .1em;
}
.value-card__title {
  margin-top: 30px;
  margin-bottom: 12px;
  color: var(--color-ink);
  font-size: var(--fs-h3);
  font-weight: 800;
  letter-spacing: -0.02em;
}
.value-card p { color: var(--color-text-sub); }

/* ---------- 3. Treatments ---------- */
.cards { display: grid; gap: 16px; }
@media (min-width: 640px) {
  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
}
@media (min-width: 1024px) {
  .cards { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
.card {
  display: flex;
  flex-direction: column;
  padding: 34px 28px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg);
  transition: transform .35s var(--ease), background-color .35s var(--ease), border-color .35s var(--ease), box-shadow .35s var(--ease);
}
.card:hover {
  transform: translateY(-6px);
  background: var(--color-surface);
  border-color: rgba(15, 163, 177, .3);
  box-shadow: var(--shadow);
}
.card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 58px; height: 58px;
  margin-bottom: 30px;
  border-radius: 20px;
  background: rgba(15, 163, 177, .1);
  color: var(--color-accent-ink);
}
.card__icon .icon { width: 30px; height: 30px; stroke-width: 1.4; }
.card__title {
  margin-bottom: 12px;
  color: var(--color-ink);
  font-size: var(--fs-h3);
  font-weight: 800;
  letter-spacing: -0.02em;
}
.card p { color: var(--color-text-sub); }

/* ---------- 4. Process ---------- */
.steps { position: relative; display: grid; gap: 0; }
.step { position: relative; display: grid; grid-template-columns: 60px minmax(0, 1fr); gap: 20px; padding-bottom: 38px; }
.step:last-child { padding-bottom: 0; }
.step::before {
  content: "";
  position: absolute;
  left: 29.5px; top: 60px; bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, var(--color-accent), rgba(15, 163, 177, .1));
}
.step::after { display: none; }
.step__num {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px; height: 60px;
  border-radius: 18px;
  background: var(--color-surface);
  color: var(--color-ink);
  font-size: 1.0625rem;
  font-weight: 800;
  box-shadow: var(--shadow);
}
.step:nth-child(1) .step__num { background: var(--color-accent); color: #fff; box-shadow: 0 18px 34px -20px rgba(15, 163, 177, .7); }
.step__body { padding-top: 10px; }
.step__label {
  margin-bottom: 6px;
  color: var(--color-accent-ink);
  font-size: .75rem;
  font-weight: 800;
  letter-spacing: .16em;
}
.step__title {
  margin-bottom: 10px;
  color: var(--color-ink);
  font-size: var(--fs-h3);
  font-weight: 800;
  letter-spacing: -0.02em;
}
.step p:not(.step__label) { color: var(--color-text-sub); }

/* 데스크톱: 카드형 스텝 */
@media (min-width: 1024px) {
  .steps { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; }
  .step {
    grid-template-columns: 1fr;
    gap: 30px;
    padding: 32px 28px 30px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-surface);
    box-shadow: var(--shadow-sm);
  }
  .step::before { display: none; }
  /* transform 대신 translate: GSAP 스케일(hover)과 겹쳐도 엇갈림 배치 유지 */
  .step:nth-child(2n) { translate: 0 6px; }
  .step:nth-child(4) { translate: 0 12px; }
  .step__body { padding-top: 0; }
}

/* ---------- 5. Clinic Space ---------- */
.space__head {
  display: grid;
  gap: 10px 64px;
  margin-bottom: clamp(36px, 4vw, 60px);
}
.space__head .section-head { margin-bottom: 0; }
.space__lead { color: var(--color-text-sub); max-width: 30em; }
@media (min-width: 1024px) {
  .space__head { grid-template-columns: 1fr 1fr; align-items: end; }
  .space__lead { justify-self: end; }
}

.gallery { display: grid; gap: 18px; }
.gallery figure { height: 100%; display: flex; flex-direction: column; border-radius: var(--radius-lg); overflow: hidden; }
.gallery .media { flex: 1; border-radius: var(--radius-lg); }
.gallery figcaption {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 2px 10px;
  padding: 14px 4px 6px;
  white-space: nowrap;
  color: var(--color-ink);
  font-size: .9375rem;
  font-weight: 700;
}
.gallery figcaption span {
  color: var(--color-accent-ink);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.gallery__hint { display: none; }

/* 모바일: 가로 스크롤 */
@media (max-width: 767.98px) {
  .container--bleed-mobile { width: 100%; }
  .gallery {
    grid-auto-flow: column;
    grid-auto-columns: 80%;
    gap: 14px;
    padding-inline: var(--gutter);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-padding-inline: var(--gutter);
    overscroll-behavior-x: contain;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }
  .gallery::-webkit-scrollbar { display: none; }
  .gallery__item { scroll-snap-align: start; }
  .gallery .media { aspect-ratio: 4 / 3; flex: none; }
  .gallery__hint {
    display: block;
    margin-top: 14px;
    color: var(--color-text-sub);
    font-size: .8125rem;
  }
}

/* 태블릿/데스크톱: 다양한 그리드 */
@media (min-width: 768px) {
  .gallery { grid-template-columns: 1fr 1fr; }
  .gallery__item--large,
  .gallery__item--wide { grid-column: 1 / -1; }
  .gallery__item--large .media { aspect-ratio: 16 / 9; }
  .gallery__item--wide .media { aspect-ratio: 16 / 7; }
  .gallery__item:not(.gallery__item--large):not(.gallery__item--wide) .media { aspect-ratio: 4 / 3; }
}
@media (min-width: 1024px) {
  .gallery {
    grid-template-columns: 2fr 1fr 1fr;
    grid-template-rows: auto auto;
  }
  .gallery__item--large { grid-column: 1; grid-row: 1 / span 2; }
  .gallery__item--large .media { aspect-ratio: auto; min-height: 100%; }
  .gallery__item--wide { grid-column: 2 / span 2; }
}

/* ---------- 6. Dentist ---------- */
.dentist__grid { display: grid; gap: 44px; align-items: start; }
.dentist__photo { max-width: 470px; width: 100%; }
@media (max-width: 767.98px) {
  .dentist__photo .media--portrait { aspect-ratio: 1 / 1; }
.dentist__photo .media--portrait { border-radius: var(--radius-lg); }
}
@media (min-width: 768px) {
  .dentist__grid { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 56px; }
}
@media (min-width: 1024px) {
  .dentist__grid { gap: 92px; align-items: center; }
}
.dentist__body .section-title { max-width: 20em; }
.dentist__name {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  margin-top: 30px;
  color: var(--color-ink);
  font-size: 1.375rem;
  font-weight: 800;
}
.dentist__role { font-size: .9375rem; font-weight: 500; color: var(--color-text-sub); }
.dentist__quote {
  margin-top: 26px;
  padding: 28px 30px;
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: var(--color-surface);
  color: var(--color-text);
  font-size: var(--fs-lead);
  line-height: 1.85;
  box-shadow: var(--shadow-sm);
}
.profile { margin-top: 30px; border-top: 1px solid var(--color-border); }
.profile__row {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 18px;
  padding-block: 16px;
  border-bottom: 1px solid var(--color-border);
}
.profile dt { color: var(--color-ink); font-weight: 700; font-size: var(--fs-small); }
.profile dd ul { display: grid; gap: 8px; }
.profile dd { font-size: var(--fs-small); }

/* ---------- 7. FAQ ---------- */
.faq__grid { display: grid; gap: 10px; }
.faq__grid .section-head { margin-bottom: 34px; }
.faq__aside { margin-top: 20px; color: var(--color-text-sub); font-size: var(--fs-small); }
@media (min-width: 1024px) {
  .faq__grid { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 88px; align-items: start; }
  .faq__grid .section-head { margin-bottom: 0; position: sticky; top: calc(var(--header-h) + 36px); }
}

.accordion { border-top: 1px solid var(--color-border); }
.accordion__item { border-bottom: 1px solid var(--color-border); }
.accordion__heading { font-size: inherit; font-weight: inherit; }
.accordion__trigger {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 18px;
  width: 100%;
  min-height: 78px;
  padding: 20px 4px;
  border: 0;
  background: transparent;
  text-align: left;
  cursor: pointer;
  color: var(--color-ink);
}
.accordion__trigger:focus-visible { outline-offset: -2px; border-radius: var(--radius-sm); }
.accordion__q {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px; height: 34px;
  border-radius: 12px;
  background: rgba(15, 163, 177, .1);
  color: var(--color-accent-ink);
  font-size: .875rem;
  font-weight: 800;
}
.accordion__text {
  font-size: clamp(1.0625rem, 1rem + .25vw, 1.1875rem);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: -0.02em;
}
.accordion__icon {
  position: relative;
  width: 34px; height: 34px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  transition: background-color .25s var(--ease), border-color .25s var(--ease), transform .3s var(--ease);
}
.accordion__icon::before,
.accordion__icon::after {
  content: "";
  position: absolute;
  left: 50%; top: 50%;
  width: 12px; height: 1.75px;
  margin: -.875px 0 0 -6px;
  border-radius: 1px;
  background: var(--color-primary);
  transition: transform .3s var(--ease);
}
.accordion__icon::after { transform: rotate(90deg); }
.accordion__trigger:hover .accordion__icon { border-color: var(--color-accent); }
.accordion__trigger[aria-expanded="true"] .accordion__icon { background: var(--color-primary); border-color: var(--color-primary); transform: rotate(180deg); }
.accordion__trigger[aria-expanded="true"] .accordion__icon::before,
.accordion__trigger[aria-expanded="true"] .accordion__icon::after { background: #fff; }
.accordion__trigger[aria-expanded="true"] .accordion__icon::after { transform: rotate(0deg); }

.accordion__panel { display: grid; grid-template-rows: 1fr; }
.js .accordion__panel {
  grid-template-rows: 0fr;
  visibility: hidden;
  transition: grid-template-rows .35s var(--ease), visibility 0s linear .35s;
}
.js .accordion__panel.is-open {
  grid-template-rows: 1fr;
  visibility: visible;
  transition: grid-template-rows .35s var(--ease), visibility 0s;
}
.accordion__inner { min-height: 0; overflow: hidden; }
.accordion__inner p {
  padding: 0 8px 26px 56px;
  color: var(--color-text-sub);
}
@media (max-width: 479.98px) {
  .accordion__trigger { gap: 14px; }
  .accordion__inner p { padding-left: 6px; }
}

/* ---------- 8. Location ---------- */
.location__grid { display: grid; gap: 34px; }
@media (min-width: 1024px) {
  .location__grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: 72px; align-items: stretch; }
}
.info-list { border-top: 1px solid var(--color-primary); }
.info-list__row {
  display: grid;
  grid-template-columns: 100px minmax(0, 1fr);
  gap: 16px;
  padding-block: 20px;
  border-bottom: 1px solid var(--color-border);
}
.info-list dt { color: var(--color-ink); font-weight: 700; }
.hours { display: grid; gap: 8px; }
.hours li { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 12px; }
.hours__day { min-width: 4.5em; color: var(--color-text); }
@media (max-width: 479.98px) {
  .info-list__row { grid-template-columns: 1fr; gap: 6px; padding-block: 16px; }
}
.location__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}
@media (max-width: 479.98px) {
  .location__actions .btn { flex: 1 1 100%; }
}

.map-placeholder {
  position: relative;
  min-height: 330px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: #EEF1F7;
}
.map-placeholder__art { position: absolute; inset: 0; width: 100%; height: 100%; }
.map-placeholder__note {
  position: absolute;
  left: 18px; right: 18px; bottom: 18px;
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, .93);
  color: var(--color-ink);
  font-weight: 700;
  font-size: .9375rem;
  line-height: 1.5;
}
.map-placeholder__note span { color: var(--color-text-sub); font-weight: 400; font-size: .8125rem; }

/* ---------- 9. Final CTA ---------- */
.cta-band {
  position: relative;
  overflow: hidden;
  padding-block: clamp(72px, 8vw, 120px);
  background: linear-gradient(135deg, #0F172A, #0EA5A9);
  color: #EAF8FA;
}
.cta-band::after {
  content: "";
  position: absolute;
  right: -140px; top: -170px;
  width: 460px; height: 460px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .18);
  box-shadow: 0 0 0 70px rgba(255, 255, 255, .04), 0 0 0 140px rgba(255, 255, 255, .03);
  pointer-events: none;
}
.cta-band__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
}
.cta-band__title {
  font-size: var(--fs-section);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.035em;
}
.cta-band__desc { margin-top: 14px; color: rgba(234, 248, 250, .85); }
.cta-band :focus-visible { outline-color: #fff; }
@media (max-width: 479.98px) {
  .cta-band .btn { width: 100%; }
}

/* ---------- Footer ---------- */
.site-footer {
  padding-block: 60px 44px;
  background: var(--color-bg-deep);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-sub);
  font-size: .875rem;
  line-height: 1.7;
}
.site-footer__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--color-border);
}
.site-footer__links { display: flex; gap: 20px; }
.footer-placeholder-link { color: var(--color-text); font-weight: 700; cursor: default; }
.site-footer__info {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 30px;
  margin-top: 26px;
}
.site-footer__info > div { display: flex; gap: 6px; }
.site-footer__info dt { color: var(--color-text-sub); font-weight: 600; white-space: nowrap; }
.site-footer__info dd { color: var(--color-text); font-weight: 500; }
.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 30px;
  padding-top: 26px;
  border-top: 1px solid var(--color-border);
}
.site-footer__credit { display: inline-flex; align-items: center; gap: 10px; color: var(--color-text-sub); }
.credit-link { display: inline-flex; align-items: center; gap: 8px; text-decoration: none; color: var(--color-ink); font-weight: 700; }
.credit-link img { width: 70px; height: auto; }
.credit-link:hover { color: var(--color-accent-ink); }

@media (max-width: 479.98px) {
  .site-footer__bottom { flex-direction: column; align-items: flex-start; }
  .site-footer__credit { flex-direction: column; align-items: flex-start; }
}

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- Text block reveal (js/text-block-animation.js) ---------- */
/* 분할 전 깜빡임 방지. 스크립트가 3초 안에 못 뜨면 tb-timeout으로 다시 표시 */
.js [data-text-block]:not(.is-split) { visibility: hidden; }
.tb-timeout [data-text-block] { visibility: visible; }
.block-line { position: relative; display: block; overflow: hidden; }
.block-line__revealer {
  position: absolute;
  inset: 0;
  z-index: 2;
  transform: scaleX(0);
  transform-origin: left center;
}

/* ---------- Site motion (js/site-motion.js) ---------- */
/* has-motion: 헤드 인라인 스크립트가 붙이고, GSAP 이 없으면 site-motion.js 가 뗍니다 */
.has-motion .intro { opacity: 1; transform: none; animation: none; }
.has-motion .reveal { transition: none; }
.has-motion [data-hero-item],
.has-motion .hero .eyebrow { opacity: 0; }
.tb-timeout [data-hero-item],
.tb-timeout .hero .eyebrow { opacity: 1; }
.eyebrow::before { width: var(--eyebrow-w, 22px); }
.step::before { transform: scaleY(var(--step-line, 1)); transform-origin: top; }
.cta-band::after { translate: 0 var(--cta-ring-y, 0px); }
.has-motion .cta-band { background-size: 200% 200%; animation: cta-flow 14s ease-in-out infinite alternate; }
@keyframes cta-flow { from { background-position: 0% 50%; } to { background-position: 100% 50%; } }
.scroll-progress {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 130;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), #2BC8D6);
  transform: scaleX(0);
  transform-origin: left center;
  pointer-events: none;
}

/* ---------- Hero intro ---------- */
.intro { opacity: 0; transform: translateY(24px); animation: intro-rise .8s var(--ease) forwards; }
.intro--delay { animation-delay: .12s; }
@keyframes intro-rise { to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
  .intro { opacity: 1; transform: none; animation: none; }
}