/**
 * HCMC Dental Clinic — Standalone Korean Design System & Stylesheet
 * 100% Isolated from Astra parent/child styles.
 * Author: Dr. Nguyen Van Cuong / HCMC Dental Clinic
 * Language: Korean (ko-KR)
 */

@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.min.css');

/* ====================================================================
   1. CSS VARIABLES & DESIGN TOKENS
   ==================================================================== */
:root {
  --ko-font-sans: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, Roboto, "Helvetica Neue", "Segoe UI", "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", sans-serif;
  
  --ko-primary-navy: #0a192f;
  --ko-primary-dark: #0f2b48;
  --ko-primary-blue: #0284c7;
  --ko-primary-hover: #0369a1;
  --ko-accent-cyan: #0ea5e9;
  --ko-accent-sky: #38bdf8;
  
  --ko-kakao-yellow: #FEE500;
  --ko-kakao-dark: #191919;
  --ko-whatsapp-green: #25D366;
  --ko-whatsapp-hover: #1ebd59;
  
  --ko-text-main: #1e293b;
  --ko-text-muted: #64748b;
  --ko-text-light: #94a3b8;
  --ko-bg-white: #ffffff;
  --ko-bg-slate: #f8fafc;
  --ko-bg-gray: #f1f5f9;
  --ko-border-light: #e2e8f0;
  
  --ko-gold: #f59e0b;
  --ko-gold-light: #fef3c7;
  --ko-green: #10b981;
  --ko-green-light: #d1fae5;
  --ko-red: #ef4444;
  --ko-red-light: #fee2e2;
  
  --ko-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --ko-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --ko-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --ko-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  --ko-shadow-card: 0 10px 30px rgba(15, 23, 42, 0.08);
  
  --ko-radius-sm: 6px;
  --ko-radius-md: 10px;
  --ko-radius-lg: 16px;
  --ko-radius-xl: 24px;
  --ko-radius-full: 9999px;
  
  --ko-container-max: 1200px;
}

/* ====================================================================
   2. GLOBAL BASE & RESET
   ==================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--ko-font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ko-text-main);
  background-color: var(--ko-bg-white);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  word-break: keep-all;
  overflow-wrap: break-word;
}

body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

ul, ol {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}

/* Container */
.ko-container {
  width: 100%;
  max-width: var(--ko-container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* ====================================================================
   3. PREHEADER BAR (상단 안내바)
   ==================================================================== */
.ko-preheader {
  background-color: var(--ko-primary-navy);
  color: var(--ko-text-light);
  font-size: 13px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
  z-index: 1000;
}

.ko-preheader__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 38px;
}

.ko-preheader__left,
.ko-preheader__center,
.ko-preheader__right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.ko-preheader__item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.ko-preheader__online-dot {
  width: 8px;
  height: 8px;
  background-color: #22c55e;
  border-radius: 50%;
  box-shadow: 0 0 0 2px rgba(34, 197, 94, 0.25);
  animation: koPulse 2s infinite;
}

@keyframes koPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.2); }
}

.ko-preheader__link {
  color: #ffffff;
  font-weight: 600;
}
.ko-preheader__link:hover {
  color: var(--ko-accent-sky);
}

.ko-h1, h2, h3, h4, h5, h6 {
  font-family: var(--ko-font-sans);
  color: var(--ko-text-main);
  line-height: 1.3;
  font-weight: 700;
}

/* Dark section headings & text contrast */
.ko-section--dark,
.ko-section[style*="var(--ko-primary-navy)"],
.ko-section[style*="#0B192C"],
.ko-section[style*="#0f2b48"],
.ko-cta-box--dark {
  color: #ffffff !important;
}
.ko-section--dark h1,
.ko-section--dark h2,
.ko-section--dark h3,
.ko-section[style*="var(--ko-primary-navy)"] h1,
.ko-section[style*="var(--ko-primary-navy)"] h2,
.ko-section[style*="var(--ko-primary-navy)"] h3,
.ko-section[style*="#0B192C"] h1,
.ko-section[style*="#0B192C"] h2,
.ko-section[style*="#0B192C"] h3,
.ko-section[style*="#0f2b48"] h1,
.ko-section[style*="#0f2b48"] h2,
.ko-section[style*="#0f2b48"] h3,
.ko-cta-box--dark h2,
.ko-cta-box--dark h3 {
  color: #ffffff !important;
}
.ko-section--dark p,
.ko-section[style*="var(--ko-primary-navy)"] p,
.ko-section[style*="#0B192C"] p,
.ko-section[style*="#0f2b48"] p,
.ko-cta-box--dark p {
  color: #cbd5e1 !important;
}

.ko-preheader__kakao-tag {
  background: var(--ko-kakao-yellow);
  color: var(--ko-kakao-dark);
  font-size: 11px;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
}
.ko-preheader__kakao-tag:hover {
  filter: brightness(0.95);
}

/* ====================================================================
   4. NAVIGATION HEADER (메인 내비게이션 헤더)
   ==================================================================== */
.ko-header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--ko-border-light);
  z-index: 999;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.ko-header__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
}

/* Brand Logo */
.ko-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}
.ko-logo__img,
.ko-avatar-circle,
.ko-footer-col img {
  width: 44px !important;
  height: 44px !important;
  min-width: 44px !important;
  min-height: 44px !important;
  max-width: 44px !important;
  aspect-ratio: 1 / 1 !important;
  object-fit: cover !important;
  border-radius: 50% !important;
  flex-shrink: 0 !important;
  display: block !important;
}
.ko-logo__text {
  display: flex;
  flex-direction: column;
}
.ko-logo__title {
  font-size: 18px;
  font-weight: 800;
  color: var(--ko-primary-navy);
  line-height: 1.2;
}
.ko-logo__subtitle {
  font-size: 11px;
  font-weight: 600;
  color: var(--ko-primary-blue);
}

/* Desktop Menu */
.ko-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.ko-nav__link {
  font-size: 15px;
  font-weight: 700;
  color: var(--ko-text-main);
  padding: 8px 4px;
  position: relative;
}
.ko-nav__link:hover,
.ko-nav__link.active {
  color: var(--ko-primary-blue);
}

.ko-nav__item--has-dropdown {
  position: relative;
}
.ko-nav__item--has-dropdown:hover .ko-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* Dropdown Mega Menu */
.ko-dropdown {
  position: absolute;
  top: 100%;
  left: -20px;
  width: 320px;
  background: #ffffff;
  border: 1px solid var(--ko-border-light);
  border-radius: var(--ko-radius-md);
  box-shadow: var(--ko-shadow-xl);
  padding: 12px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all 0.25s ease;
  z-index: 1001;
}

.ko-dropdown__link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--ko-radius-sm);
  font-size: 14px;
  font-weight: 600;
  color: var(--ko-text-main);
}
.ko-dropdown__link:hover {
  background: var(--ko-bg-slate);
  color: var(--ko-primary-blue);
}
.ko-dropdown__icon {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ko-bg-gray);
  border-radius: 6px;
  font-size: 14px;
}

/* Header CTAs */
.ko-header__actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.ko-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  padding: 10px 20px;
  border-radius: var(--ko-radius-full);
  cursor: pointer;
  border: none;
  transition: all 0.25s ease;
  white-space: nowrap;
}

.ko-btn--kakao {
  background-color: var(--ko-kakao-yellow);
  color: var(--ko-kakao-dark);
  box-shadow: 0 4px 12px rgba(254, 229, 0, 0.35);
}
.ko-btn--kakao:hover {
  background-color: #f5dc00;
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(254, 229, 0, 0.45);
}

.ko-btn--primary {
  background: linear-gradient(135deg, var(--ko-primary-blue) 0%, #0369a1 100%);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.3);
}
.ko-btn--primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(2, 132, 199, 0.4);
}

.ko-btn--wa {
  background-color: var(--ko-whatsapp-green);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
}
.ko-btn--wa:hover {
  background-color: var(--ko-whatsapp-hover);
  transform: translateY(-1px);
}

.ko-btn--outline {
  background: transparent;
  border: 1px solid var(--ko-border-light);
  color: var(--ko-text-main);
}
.ko-btn--outline:hover {
  background: var(--ko-bg-slate);
  border-color: var(--ko-primary-blue);
  color: var(--ko-primary-blue);
}

/* Mobile Toggle */
.ko-hamburger {
  display: none;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
  color: var(--ko-primary-navy);
}

/* ====================================================================
   5. MOBILE DRAWER (모바일 사이드 서랍 메뉴)
   ==================================================================== */
.ko-drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 25, 47, 0.6);
  backdrop-filter: blur(4px);
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}
.ko-drawer-overlay.active {
  opacity: 1;
  visibility: visible;
}

.ko-drawer {
  position: fixed;
  top: 0;
  right: -340px;
  width: 320px;
  height: 100%;
  background: #ffffff;
  z-index: 2001;
  display: flex;
  flex-direction: column;
  box-shadow: -5px 0 25px rgba(0, 0, 0, 0.15);
  transition: right 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  overflow-y: auto;
}
.ko-drawer.active {
  right: 0;
}

.ko-drawer__header {
  padding: 20px;
  border-bottom: 1px solid var(--ko-border-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.ko-drawer__close {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--ko-text-muted);
}

.ko-drawer__body {
  padding: 20px;
  flex: 1;
}

.ko-drawer__badges {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.ko-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--ko-radius-full);
  background: var(--ko-bg-gray);
  color: var(--ko-text-main);
}
.ko-badge--gold {
  background: var(--ko-gold-light);
  color: #92400e;
}
.ko-badge--blue {
  background: #e0f2fe;
  color: #0369a1;
}

.ko-drawer__nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 16px 0;
}
.ko-drawer__link {
  font-size: 16px;
  font-weight: 700;
  color: var(--ko-primary-navy);
  padding: 10px 0;
  border-bottom: 1px solid var(--ko-bg-gray);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.ko-drawer__footer {
  padding: 20px;
  background: var(--ko-bg-slate);
  border-top: 1px solid var(--ko-border-light);
}

/* ====================================================================
   6. HERO & CONTENT COMPONENTS (본문 컴포넌트)
   ==================================================================== */
.ko-hero {
  padding: 60px 0 50px;
  background: linear-gradient(180deg, #f0f9ff 0%, #ffffff 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.ko-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #ffffff;
  color: var(--ko-primary-blue);
  font-size: 13px;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: var(--ko-radius-full);
  border: 1px solid #bae6fd;
  box-shadow: 0 2px 8px rgba(2, 132, 199, 0.08);
  margin-bottom: 20px;
}

.ko-hero__title {
  font-size: 40px;
  font-weight: 900;
  line-height: 1.3;
  color: var(--ko-primary-navy);
  margin-bottom: 18px;
  letter-spacing: -0.02em;
}

.ko-hero__highlight {
  background: linear-gradient(90deg, #0284c7 0%, #6366f1 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.ko-hero__sub {
  font-size: 17px;
  line-height: 1.7;
  color: var(--ko-text-muted);
  max-width: 780px;
  margin: 0 auto 32px;
}

.ko-hero__actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

/* Trust Cards Grid */
.ko-trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 30px;
}

.ko-trust-card {
  background: #ffffff;
  border: 1px solid var(--ko-border-light);
  border-radius: var(--ko-radius-md);
  padding: 20px 16px;
  text-align: center;
  box-shadow: var(--ko-shadow-sm);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.ko-trust-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--ko-shadow-md);
  border-color: var(--ko-primary-blue);
}
.ko-trust-card__icon {
  font-size: 28px;
  margin-bottom: 10px;
}
.ko-trust-card__title {
  font-size: 15px;
  font-weight: 800;
  color: var(--ko-primary-navy);
  margin-bottom: 4px;
}
.ko-trust-card__desc {
  font-size: 12px;
  color: var(--ko-text-muted);
  line-height: 1.4;
}

/* Section Common */
.ko-section {
  padding: 70px 0;
}
.ko-section--alt {
  background-color: var(--ko-bg-slate);
}

.ko-section__header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 40px;
}
.ko-subheading {
  display: inline-block;
  font-size: 12px;
  font-weight: 800;
  color: var(--ko-primary-blue);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.ko-heading {
  font-size: 32px;
  font-weight: 800;
  color: var(--ko-primary-navy);
  line-height: 1.35;
  margin-bottom: 12px;
}
.ko-subtext {
  font-size: 16px;
  color: var(--ko-text-muted);
}

/* ====================================================================
   7. PRICING TABLE (정찰제 투명 가격표)
   ==================================================================== */
.ko-table-wrap {
  width: 100%;
  overflow-x: auto;
  background: #ffffff;
  border: 1px solid var(--ko-border-light);
  border-radius: var(--ko-radius-lg);
  box-shadow: var(--ko-shadow-card);
  margin: 30px 0;
}

.ko-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 14px;
}

.ko-table th {
  background: var(--ko-primary-navy);
  color: #ffffff;
  font-weight: 700;
  padding: 16px 18px;
  border-bottom: 1px solid var(--ko-border-light);
}

.ko-table th.highlight-col {
  background: var(--ko-primary-blue);
  color: #ffffff;
}

.ko-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--ko-border-light);
  color: var(--ko-text-main);
  vertical-align: middle;
}

.ko-table tr:last-child td {
  border-bottom: none;
}

.ko-table tr:hover td {
  background-color: #f8fafc;
}

.ko-table td.highlight-col {
  background-color: #f0f9ff;
  color: var(--ko-primary-blue);
  font-weight: 800;
}

.ko-table .save-tag {
  display: inline-block;
  background: var(--ko-red-light);
  color: #b91c1c;
  font-size: 11px;
  font-weight: 800;
  padding: 2px 6px;
  border-radius: 4px;
}

/* ====================================================================
   8. DOCTOR EEAT SECTION (닥터 끄엉 원장 소개)
   ==================================================================== */
.ko-doctor-card-wrap {
  background: #ffffff;
  border: 1px solid var(--ko-border-light);
  border-radius: var(--ko-radius-xl);
  box-shadow: var(--ko-shadow-card);
  padding: 40px;
  display: flex;
  gap: 36px;
  align-items: center;
}

.ko-doctor-card__avatar-col {
  flex-shrink: 0;
  text-align: center;
}
.ko-doctor-card__img {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  border: 4px solid #bae6fd;
  box-shadow: 0 8px 24px rgba(2, 132, 199, 0.2);
  object-fit: cover;
  margin: 0 auto 12px;
}

.ko-doctor-card__info-col {
  flex: 1;
}

.ko-principles-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 16px;
}

.ko-principle-item {
  background: var(--ko-bg-slate);
  padding: 12px 16px;
  border-radius: var(--ko-radius-sm);
  border-left: 3px solid var(--ko-primary-blue);
  font-size: 13px;
}
.ko-principle-item strong {
  color: var(--ko-primary-navy);
}

/* ====================================================================
   9. FOOTER (푸터 & 카카오톡 모달)
   ==================================================================== */
.ko-footer {
  background-color: var(--ko-primary-navy);
  color: var(--ko-text-light);
  font-size: 14px;
  margin-top: auto;
}

.ko-footer-announce {
  background: linear-gradient(90deg, #0369a1 0%, #1e40af 100%);
  color: #ffffff;
  font-size: 13px;
  font-weight: 700;
  padding: 10px 0;
  text-align: center;
}

.ko-footer-main {
  padding: 50px 0 30px;
}

.ko-footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 32px;
}

.ko-footer-col__title {
  color: #ffffff;
  font-size: 15px;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.ko-footer-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.ko-footer-links a:hover {
  color: #ffffff;
  padding-left: 4px;
}

.ko-footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 24px 0;
  font-size: 12px;
  color: #64748b;
  text-align: center;
  line-height: 1.8;
}

/* Sticky Mobile Bottom Quick Bar */
.ko-mobile-quickbar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: #ffffff;
  border-top: 1px solid var(--ko-border-light);
  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.1);
  padding: 8px 16px;
  z-index: 1999;
}
.ko-mobile-quickbar__inner {
  display: flex;
  gap: 8px;
}
.ko-mobile-quickbar__btn {
  flex: 1;
  padding: 10px 6px;
  font-size: 13px;
  font-weight: 800;
  border-radius: var(--ko-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

/* KakaoTalk Interactive Modal */
.ko-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 25, 47, 0.7);
  backdrop-filter: blur(6px);
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}
.ko-modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.ko-modal {
  background: #ffffff;
  width: 100%;
  max-width: 440px;
  border-radius: var(--ko-radius-xl);
  box-shadow: var(--ko-shadow-xl);
  padding: 32px;
  position: relative;
  transform: scale(0.95);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  text-align: center;
}
.ko-modal-overlay.active .ko-modal {
  transform: scale(1);
}

.ko-modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: var(--ko-text-muted);
}

.ko-modal__icon {
  width: 60px;
  height: 60px;
  background: var(--ko-kakao-yellow);
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  box-shadow: 0 6px 16px rgba(254, 229, 0, 0.4);
}

.ko-modal__title {
  font-size: 20px;
  font-weight: 800;
  color: var(--ko-primary-navy);
  margin-bottom: 6px;
}
.ko-modal__desc {
  font-size: 13px;
  color: var(--ko-text-muted);
  margin-bottom: 20px;
}

.ko-modal__id-box {
  background: var(--ko-bg-slate);
  border: 1px dashed var(--ko-primary-blue);
  border-radius: var(--ko-radius-md);
  padding: 14px;
  margin-bottom: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.ko-modal__id-val {
  font-size: 16px;
  font-weight: 800;
  color: var(--ko-primary-navy);
  letter-spacing: 0.5px;
}
.ko-modal__copy-btn {
  background: var(--ko-primary-blue);
  color: #ffffff;
  font-size: 12px;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 6px;
  border: none;
  cursor: pointer;
}
.ko-modal__copy-btn:hover {
  background: var(--ko-primary-hover);
}

/* ====================================================================
   10. RESPONSIVE BREAKPOINTS
   ==================================================================== */
@media (max-width: 992px) {
  .ko-nav { display: none; }
  .ko-hamburger { display: block; }
  .ko-trust-grid { grid-template-columns: repeat(2, 1fr); }
  .ko-footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .ko-doctor-card-wrap { flex-direction: column; text-align: center; }
  .ko-principles-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .ko-hero__title { font-size: 28px; }
  .ko-hero__sub { font-size: 15px; }
  .ko-heading { font-size: 24px; }
  .ko-trust-grid { grid-template-columns: 1fr; }
  .ko-footer-grid { grid-template-columns: 1fr; }
  .ko-preheader__center, .ko-preheader__right { display: none; }
  .ko-mobile-quickbar { display: block; }
  body { padding-bottom: 60px; }
}