:root {
  --color-bg: #f4f6f9;
  --color-bg-soft: #eaeef4;
  --color-surface: #ffffff;
  --color-text: #14202e;
  --color-text-muted: #5a6979;
  --color-accent: #2e6fd9;
  --color-accent-dark: #1f4f9f;
  --color-accent-soft: #e1ebfb;
  --color-navy: #0d1b2e;
  --color-border: #dde4ec;
  --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  --max-width: 1200px;
}
* { 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: 1.65; }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
h1, h2, h3 { line-height: 1.25; margin: 0 0 16px; font-weight: 800; letter-spacing: -0.01em; }
h1 { font-size: 2.7rem; }
h2 { font-size: 1.9rem; }
h3 { font-size: 1.1rem; }
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 { display: inline-flex; align-items: center; gap: 6px; text-transform: uppercase; letter-spacing: 0.1em; font-size: 0.75rem; color: var(--color-accent); font-weight: 800; margin-bottom: 10px; }
.eyebrow::before { content: ""; width: 18px; height: 2px; background: var(--color-accent); display: inline-block; }
.eyebrow.center { justify-content: center; }
.center { text-align: center; }

.btn { display: inline-block; padding: 13px 26px; border-radius: 4px; font-weight: 700; font-size: 0.95rem; cursor: pointer; border: 2px solid transparent; }
.btn-primary { background: var(--color-accent); color: #fff; }
.btn-primary:hover { background: var(--color-accent-dark); text-decoration: none; }
.btn-ghost { background: transparent; border: 2px solid rgba(255,255,255,0.5); color: #fff; }
.btn-ghost:hover { border-color: #fff; text-decoration: none; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 10; background: var(--color-navy); }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 18px 24px; }
.logo { font-size: 1.3rem; font-weight: 800; color: #fff; letter-spacing: -0.01em; }
.logo span { color: var(--color-accent); }
.site-header nav ul { list-style: none; display: flex; gap: 26px; margin: 0; padding: 0; }
.site-header nav a { color: rgba(255,255,255,0.85); font-weight: 600; font-size: 0.9rem; }
.header-cta { white-space: nowrap; }

/* Hero */
.hero { position: relative; background: var(--color-navy); color: #fff; padding: 72px 0 100px; overflow: hidden; }
.hero::after { content: ""; position: absolute; right: -120px; top: -80px; width: 420px; height: 420px; border-radius: 50%; background: radial-gradient(circle, rgba(46,111,217,0.35), transparent 70%); }
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; position: relative; z-index: 1; }
.hero .eyebrow { color: #8fb4ee; }
.hero .eyebrow::before { background: #8fb4ee; }
.hero h1 { color: #fff; }
.hero-sub { font-size: 1.05rem; max-width: 480px; color: rgba(255,255,255,0.78); }
.hero-actions { display: flex; gap: 12px; margin-top: 28px; }
.hero-image {
  background: linear-gradient(135deg, #1d3a5f, #0d1b2e);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 8px;
  min-height: 340px;
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.5); font-size: 0.85rem;
}

/* Trust bar */
.trust-bar { padding: 0; margin-top: -56px; position: relative; z-index: 2; }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--color-border); border-radius: 8px; overflow: hidden; box-shadow: 0 18px 40px rgba(13,27,46,0.12); }
.trust-item { background: var(--color-surface); padding: 26px 20px; text-align: center; }
.trust-item strong { display: block; font-size: 1.3rem; color: var(--color-accent-dark); }
.trust-item span { font-size: 0.85rem; color: var(--color-text-muted); }

.section { padding: 88px 0 72px; }
.section.alt { background: var(--color-bg-soft); }

/* About */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.about-image, .doctor-image, .procedure-image {
  background: linear-gradient(135deg, #dce6f5, #b7cce8);
  border-radius: 6px;
  min-height: 320px;
  display: flex; align-items: center; justify-content: center;
  color: var(--color-accent-dark); font-size: 0.85rem;
}
.procedure-image { min-height: 150px; margin-bottom: 16px; }

/* Procedures */
.procedure-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin-top: 40px; background: var(--color-border); }
.procedure-card { background: var(--color-surface); padding: 0 0 24px; }
.procedure-card h3, .procedure-card p, .procedure-card a { padding: 0 20px; }
.procedure-card h3 { color: var(--color-text); }
.procedure-card a { font-weight: 700; }

/* Doctor */
.doctor { background: var(--color-navy); color: #fff; }
.doctor-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 56px; align-items: center; }
.doctor h2, .doctor .eyebrow { color: #fff; }
.doctor .eyebrow { color: #8fb4ee; }
.doctor .eyebrow::before { background: #8fb4ee; }
.doctor-credentials { list-style: none; padding: 0; margin: 0 0 20px; }
.doctor-credentials li { padding: 6px 0 6px 24px; position: relative; color: rgba(255,255,255,0.85); }
.doctor-credentials li::before { content: "—"; position: absolute; left: 0; color: var(--color-accent); font-weight: 700; }
.doctor p { color: rgba(255,255,255,0.65); }

/* FAQ */
.faq-list { max-width: 780px; margin: 36px auto 0; }
.faq-list details { border-bottom: 1px solid var(--color-border); padding: 18px 4px; }
.faq-list summary { font-weight: 700; 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: 600px; text-align: center; margin: 0 auto; }
.contact-form { text-align: left; margin-top: 32px; background: var(--color-surface); border-radius: 8px; padding: 28px; border: 1px solid var(--color-border); }
.form-row { margin-bottom: 16px; }
.form-row label { display: block; font-weight: 700; margin-bottom: 6px; font-size: 0.9rem; }
.form-row input, .form-row textarea { width: 100%; padding: 11px 14px; border: 1px solid var(--color-border); border-radius: 4px; font-family: inherit; font-size: 0.95rem; background: var(--color-bg); }
.contact-info { margin-top: 28px; text-align: left; }
.contact-info p { margin: 4px 0; }

/* Footer */
.site-footer { background: var(--color-navy); color: rgba(255,255,255,0.55); padding: 28px 0; font-size: 0.85rem; }
.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: 700; }

/* TL;DR */
.tldr { background: var(--color-accent-soft); border-left: 4px solid var(--color-accent); padding: 16px 20px; border-radius: 6px; max-width: 780px; }

.rating-summary { font-size: 1.3rem; font-weight: 800; 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: 1px; margin-top: 12px; background: var(--color-border); }
.case-card { background: var(--color-surface); padding: 24px 22px; }
.case-card .case-image { background: linear-gradient(135deg, #dce6f5, #b7cce8); min-height: 180px; margin: -24px -22px 16px; display: flex; align-items: center; justify-content: center; color: var(--color-accent-dark); font-size: 0.8rem; }
.case-rating { color: var(--color-accent-dark); 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: var(--color-navy); color: #fff; border-radius: 6px; font-size: 0.9rem; }
.case-notice a { color: #8fb4ee; }

/* Language switcher */
.lang-switcher { position: relative; }
.lang-current { display: flex; align-items: center; gap: 6px; background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.2); border-radius: 4px; padding: 8px 12px; font-size: 0.85rem; font-weight: 700; color: #fff; cursor: pointer; }
.lang-current:hover { border-color: var(--color-accent); }
.lang-menu {
  position: absolute; top: calc(100% + 8px); right: 0; min-width: 180px;
  background: #fff; border-radius: 6px; box-shadow: 0 8px 24px rgba(0,0,0,0.2);
  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: 4px; 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(0,0,0,0.25); 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: 2rem; }
  .hero-grid { grid-template-columns: 1fr; }
  .trust-bar { margin-top: -36px; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .procedure-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid, .doctor-grid { grid-template-columns: 1fr; }
  .case-grid { grid-template-columns: 1fr; }
  .kakao-float { bottom: 18px; right: 18px; width: 48px; height: 48px; }
}
@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; }
}