/* ── CSS 변수 ── */
:root {
  --indigo: #4F46E5;
  --indigo-dark: #3730A3;
  --indigo-light: #EEF2FF;
  --emerald: #10B981;
  --kakao: #FAE100;
  --white: #ffffff;
  --gray-50: #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-400: #9CA3AF;
  --gray-500: #6B7280;
  --gray-600: #4B5563;
  --gray-700: #374151;
  --gray-800: #1F2937;
  --gray-900: #111827;
  --lgu: #E6007E;
  --lgu-light: #FBD9EC;
  --kt: #E6001E;
  --kt-light: #FBD9DD;
  --sk: #FF6C00;
  --sk-light: #FFE9D9;
  --g5: #6D28D9;
  --g5-light: #E9DFF9;
  --font: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Apple SD Gothic Neo', sans-serif;
  --radius: 12px;
  --radius-lg: 16px;
  --shadow: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
}

/* ── 리셋 ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); background: var(--white); color: var(--gray-900); font-size: 16px; line-height: 1.6; overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button { font-family: var(--font); }

/* ── HEADER ── */
.hs-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-100);
  transition: box-shadow 0.3s;
}
.hs-header.scrolled { box-shadow: 0 2px 12px rgba(0,0,0,0.08); }
.hs-header-row1 {
  max-width: 1100px; margin: 0 auto;
  padding: 0 24px; height: 56px;
  display: flex; align-items: center; justify-content: space-between;
}
.hs-logo { font-size: 20px; font-weight: 900; color: var(--indigo); letter-spacing: -0.5px; }
.hs-logo span { color: var(--gray-900); }

.hs-nav-pc { display: flex; gap: 32px; align-items: center; }
.hs-nav-pc a { font-size: 14px; font-weight: 500; color: var(--gray-600); transition: color 0.2s; }
.hs-nav-pc a:hover { color: var(--indigo); }
.hs-nav-pc a.active { color: var(--indigo); font-weight: 700; }
.hs-nav-pc .btn-self {
  background: var(--indigo); color: var(--white) !important;
  padding: 9px 20px; border-radius: var(--radius);
  font-weight: 700; font-size: 14px; transition: background 0.2s;
}
.hs-nav-pc .btn-self:hover { background: var(--indigo-dark); }

.hs-header-row2 {
  display: none;
  border-top: 1px solid var(--gray-100);
  padding: 8px 16px; gap: 6px;
}
.hs-header-row2 a {
  flex: 1; text-align: center;
  font-size: 12px; font-weight: 600; color: var(--gray-600);
  padding: 7px 4px; border-radius: 8px; transition: all 0.2s;
}
.hs-header-row2 a:hover { color: var(--indigo); background: var(--indigo-light); }
.hs-header-row2 a.active { color: var(--indigo); font-weight: 700; }
.hs-header-row2 .btn-self2 { background: var(--indigo); color: var(--white) !important; }

/* ── SECTION 공통 ── */
.hs-section { padding: 72px 24px; }
.hs-section.bg-gray { background: var(--gray-50); }
.hs-section-inner { max-width: 1100px; margin: 0 auto; }
.hs-section-title {
  font-size: 28px; font-weight: 900;
  color: var(--gray-900); letter-spacing: -0.8px;
  margin-bottom: 8px; line-height: 1.3;
}
.hs-section-sub { font-size: 15px; color: var(--gray-500); margin-bottom: 36px; line-height: 1.7; }
.hs-section-btn-wrap { display: flex; justify-content: center; margin-top: 36px; }

/* ── 버튼 공통 ── */
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 36px; background: var(--indigo); color: var(--white);
  font-size: 16px; font-weight: 700; border-radius: var(--radius);
  transition: background 0.2s; letter-spacing: -0.3px; border: none; cursor: pointer;
}
.btn-primary:hover { background: var(--indigo-dark); }

.btn-outline {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 12px 28px; border: 1.5px solid var(--indigo);
  color: var(--indigo); font-size: 14px; font-weight: 600;
  border-radius: var(--radius); transition: all 0.2s;
  background: transparent; cursor: pointer;
}
.btn-outline:hover { background: var(--indigo); color: var(--white); }

/* ── 페이지 히어로 (서브페이지용) ── */
.hs-page-hero {
  background: linear-gradient(135deg, var(--indigo-light) 0%, var(--white) 100%);
  padding: 64px 24px 52px; text-align: center;
}
.hs-page-hero-inner { max-width: 1100px; margin: 0 auto; }
.hs-page-hero h1 {
  font-size: 32px; font-weight: 900;
  color: var(--gray-900); letter-spacing: -0.8px;
  margin-bottom: 14px; line-height: 1.3;
}
.hs-page-hero h1 span { color: var(--indigo); }
.hs-page-hero p { font-size: 15px; color: var(--gray-500); line-height: 1.8; }

/* ── FAQ 공통 ── */
.hs-faq-list { display: flex; flex-direction: column; }
.hs-faq-item { border-bottom: 1px solid var(--gray-100); }
.hs-faq-question {
  width: 100%; display: flex; align-items: center;
  justify-content: space-between; padding: 20px 0;
  background: none; border: none; cursor: pointer;
  text-align: left; gap: 16px;
}
.hs-faq-q-text { font-size: 15px; font-weight: 600; color: var(--gray-800); line-height: 1.5; }
.hs-faq-icon {
  width: 24px; height: 24px; border-radius: 50%;
  background: var(--gray-100); color: var(--gray-500);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; flex-shrink: 0; transition: all 0.3s;
}
.hs-faq-item.open .hs-faq-icon { background: var(--indigo); color: var(--white); transform: rotate(45deg); }
.hs-faq-answer {
  display: none; padding: 0 0 20px;
  font-size: 14px; color: var(--gray-500); line-height: 1.8;
}
.hs-faq-item.open .hs-faq-answer { display: block; }

/* ── FOOTER ── */
.hs-footer { background: var(--gray-900); padding: 48px 24px; }
.hs-footer-inner { max-width: 1100px; margin: 0 auto; display: flex; flex-direction: column; gap: 16px; }
.hs-footer-logo { font-size: 17px; font-weight: 900; color: var(--white); }
.hs-footer-info { font-size: 13px; color: var(--gray-400); line-height: 1.9; }
.hs-footer-nav { display: flex; gap: 20px; flex-wrap: wrap; }
.hs-footer-nav a { font-size: 13px; color: var(--gray-500); transition: color 0.2s; }
.hs-footer-nav a:hover { color: var(--white); }
.hs-footer-copy { font-size: 12px; color: var(--gray-600); margin-top: 8px; }

/* ── 플로팅 버튼 ── */
.hs-floating-btn {
  position: fixed; bottom: 24px; right: 20px;
  display: flex; flex-direction: column;
  align-items: center; gap: 6px; z-index: 200;
}
.hs-floating-kakao {
  width: 52px; height: 52px; border-radius: 50%;
  background: var(--kakao);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 16px rgba(0,0,0,0.15); transition: transform 0.2s;
}
.hs-floating-kakao:hover { transform: scale(1.08); }
.hs-floating-kakao svg { width: 28px; height: 28px; }
.hs-floating-label { font-size: 11px; font-weight: 700; color: var(--gray-700); }

/* ── 반응형 공통 ── */
@media (max-width: 768px) {
  .hs-nav-pc { display: none; }
  .hs-header-row2 { display: flex; }
  .hs-header-row1 { height: 48px; padding: 0 16px; }
  .hs-section { padding: 52px 20px; }
  .hs-section-title { font-size: 22px; }
  .hs-section-sub { font-size: 14px; margin-bottom: 28px; }
  .hs-page-hero { padding: 48px 20px 36px; }
  .hs-page-hero h1 { font-size: 24px; }
}