:root {
  --color-bg: #ffffff;
  --color-bg-soft: #f7f8f6;
  --color-text: #1f2421;
  --color-text-muted: #5b6760;
  --color-accent: #7c9885;
  --color-accent-dark: #5e7a68;
  --color-border: #e4e7e2;
  --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  --max-width: 1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-base);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3 { line-height: 1.3; margin: 0 0 16px; font-weight: 700; }
h1 { font-size: 2.4rem; }
h2 { font-size: 1.9rem; }
h3 { font-size: 1.25rem; }
p { margin: 0 0 16px; color: var(--color-text-muted); }

a { color: var(--color-accent-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  color: var(--color-accent-dark);
  font-weight: 600;
  margin-bottom: 8px;
}
.eyebrow.center { text-align: center; }
.center { text-align: center; }

.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--color-accent-dark);
  color: #fff;
}
.btn-primary:hover { background: var(--color-accent); text-decoration: none; }
.btn-ghost {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
}
.btn-ghost:hover { border-color: var(--color-accent-dark); text-decoration: none; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255,255,255,0.95);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(4px);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
}
.logo { font-size: 1.3rem; font-weight: 800; color: var(--color-text); }
.site-header nav ul {
  list-style: none;
  display: flex;
  gap: 28px;
  margin: 0;
  padding: 0;
}
.site-header nav a { color: var(--color-text); font-weight: 500; }
.header-cta { white-space: nowrap; }

/* Hero */
.hero { padding: 88px 0 64px; background: var(--color-bg-soft); }
.hero-inner { max-width: 720px; }
.hero-sub { font-size: 1.05rem; max-width: 560px; }
.hero-actions { display: flex; gap: 12px; margin-top: 24px; }

/* Trust bar */
.trust-bar { padding: 40px 0; border-bottom: 1px solid var(--color-border); }
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.trust-item strong { display: block; font-size: 1.3rem; color: var(--color-accent-dark); }
.trust-item span { font-size: 0.9rem; color: var(--color-text-muted); }

.section { padding: 72px 0; }

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}
.about-image, .doctor-image {
  background: var(--color-bg-soft);
  border: 1px dashed var(--color-border);
  border-radius: 8px;
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* Procedures */
.procedure-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 36px;
}
.procedure-card {
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 28px 22px;
}
.procedure-card h3 { color: var(--color-text); }
.procedure-card a { font-weight: 600; }

/* Doctor */
.doctor-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: center;
}
.doctor-credentials {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
}
.doctor-credentials li {
  padding: 6px 0 6px 24px;
  position: relative;
  color: var(--color-text);
}
.doctor-credentials li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-accent-dark);
  font-weight: 700;
}

/* FAQ */
.faq-list { max-width: 760px; margin: 36px auto 0; }
.faq-list details {
  border-bottom: 1px solid var(--color-border);
  padding: 18px 4px;
}
.faq-list summary {
  font-weight: 600;
  cursor: pointer;
  color: var(--color-text);
  font-size: 1.05rem;
}
.faq-list p { margin-top: 12px; }

/* Contact */
.contact { background: var(--color-bg-soft); }
.contact-inner { max-width: 560px; text-align: center; }
.contact-form { text-align: left; margin-top: 32px; }
.form-row { margin-bottom: 16px; }
.form-row label { display: block; font-weight: 600; margin-bottom: 6px; font-size: 0.9rem; }
.form-row input, .form-row textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-family: inherit;
  font-size: 0.95rem;
}
.contact-info { margin-top: 32px; text-align: left; }
.contact-info p { margin: 4px 0; color: var(--color-text); }

/* Footer */
.site-footer {
  background: #fff;
  border-top: 1px solid var(--color-border);
  padding: 28px 0;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}
.footer-disclaimer { margin-top: 4px; font-style: italic; }

/* Breadcrumb */
.breadcrumb { font-size: 0.85rem; color: var(--color-text-muted); margin-bottom: 24px; }
.breadcrumb a { color: var(--color-text-muted); }
.breadcrumb [aria-current] { color: var(--color-text); font-weight: 600; }

/* TL;DR summary block (AI/GEO extraction target) */
.tldr {
  background: var(--color-bg-soft);
  border-left: 3px solid var(--color-accent-dark);
  padding: 16px 20px;
  border-radius: 6px;
  color: var(--color-text);
  max-width: 760px;
}

.rating-summary { font-size: 1.3rem; font-weight: 700; color: var(--color-accent-dark); margin: 24px 0; }
.rating-summary span { font-size: 0.9rem; color: var(--color-text-muted); font-weight: 400; }

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 12px;
}
.case-card {
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 24px 22px;
}
.case-rating { color: #d8a13b; margin: 0 0 8px; font-size: 1rem; }
.case-author { font-size: 0.85rem; color: var(--color-text-muted); }

.case-notice {
  margin-top: 32px;
  padding: 16px 20px;
  background: #fff;
  border: 1px dashed var(--color-border);
  border-radius: 8px;
  font-size: 0.9rem;
}

/* Language switcher */
.lang-switcher { position: relative; }
.lang-current {
  display: flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 8px 12px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
}
.lang-current:hover { border-color: var(--color-accent-dark); }
.lang-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 180px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  list-style: none;
  margin: 0;
  padding: 6px;
  visibility: hidden;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 0.15s ease, transform 0.15s ease, visibility 0.15s;
}
.lang-switcher:hover .lang-menu,
.lang-switcher:focus-within .lang-menu {
  visibility: visible;
  opacity: 1;
  transform: translateY(0);
}
.lang-menu li a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 0.9rem;
  color: var(--color-text);
}
.lang-menu li a:hover { background: var(--color-bg-soft); text-decoration: none; }
.lang-menu li a.lang-disabled { color: var(--color-text-muted); cursor: default; }
.lang-menu li a.lang-disabled em {
  margin-left: auto;
  font-style: normal;
  font-size: 0.7rem;
  background: var(--color-bg-soft);
  padding: 2px 6px;
  border-radius: 4px;
}

/* Kakao floating button */
.kakao-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #fee500;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: 0 6px 20px rgba(0,0,0,0.18);
  z-index: 20;
}
.kakao-float:hover { transform: scale(1.06); text-decoration: none; }

/* Responsive */
@media (max-width: 860px) {
  .site-header nav { display: none; }
  .header-cta { display: none; }
  h1 { font-size: 1.9rem; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .procedure-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid, .doctor-grid { grid-template-columns: 1fr; }
  .about-image, .doctor-image { min-height: 200px; }
  .kakao-float { bottom: 18px; right: 18px; width: 48px; height: 48px; }
  .case-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .procedure-grid { grid-template-columns: 1fr; }
}

/* AI image fill */
.about-image, .doctor-image, .hero-image, .hero-media, .procedure-image, .case-image {
  overflow: hidden;
}
.about-image img, .doctor-image img, .hero-image img, .hero-media img, .procedure-image img, .case-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Mobile line-wrap fix: Korean text wraps at word boundaries, not mid-syllable */
body { word-break: keep-all; overflow-wrap: break-word; }
@media (max-width: 640px) {
  .lg-break { display: none; }
}