/* ============================================
   Landing Page CSS (모바일 퍼스트)
   기본 스타일 = 모바일, @media(min-width:769px) = 데스크톱
   ============================================ */

:root {
  --landing-primary: #059669;
  --landing-primary-dark: #047857;
  --landing-primary-light: #d1fae5;
  --landing-gray-50: #f8fafc;
  --landing-gray-100: #f1f5f9;
  --landing-gray-200: #e2e8f0;
  --landing-gray-300: #cbd5e1;
  --landing-gray-400: #94a3b8;
  --landing-gray-500: #64748b;
  --landing-gray-600: #475569;
  --landing-gray-700: #334155;
  --landing-gray-800: #1e293b;
  --landing-gray-900: #0f172a;
}

/* ── Reset & Base ── */
.landing-page * { margin: 0; padding: 0; box-sizing: border-box; }
.landing-page {
  font-family: 'Pretendard Variable', Pretendard, -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  color: var(--landing-gray-800); line-height: 1.7;
  -webkit-tap-highlight-color: transparent; touch-action: manipulation;
  background: #f8fdfb;
  background-image:
    radial-gradient(ellipse 900px 600px at -10% 0%, rgba(167,243,208,0.55), transparent),
    radial-gradient(ellipse 800px 500px at 110% 100%, rgba(167,243,208,0.5), transparent);
}
.landing-page a { text-decoration: none; color: inherit; }
.landing-page a:hover { color: inherit; }

.landing-container { max-width: 960px; margin: 0 auto; padding: 0 20px; }
.landing-section { padding: 15px 0; }

/* ── Navigation ── */
.landing-nav {
  position: sticky; top: 0; z-index: 100;
  background: #fff; backdrop-filter: none;
  border-bottom: 1px solid var(--landing-gray-200); padding: 20px 0;
}
.landing-nav .landing-container { display: flex; align-items: center; justify-content: space-between; position: relative; }

.nav-logo { font-size: 18px; font-weight: 800; color: var(--landing-gray-900); display: flex; align-items: center; gap: 8px; letter-spacing: -0.02em; }
.nav-logo-img { width: 32px; height: 32px; object-fit: contain; }
.nav-logo span { color: var(--landing-primary); }
.nav-back { color: var(--landing-gray-500); font-size: 14px; font-weight: 700; transition: color .2s; }
.landing-page .nav-back:hover { color: var(--landing-gray-900); }
.nav-back-group { display: flex; align-items: center; gap: 20px; }
.nav-back-link { color: var(--landing-gray-500); font-size: 13px; font-weight: 600; transition: color .2s; }
.nav-back-link:hover { color: var(--landing-primary); }

.nav-cta {
  display: none;
  background: linear-gradient(135deg, #10b981, #059669); color: #fff !important;
  padding: 10px 24px; border-radius: 24px; font-weight: 700; font-size: 14px;
  transition: all .2s; box-shadow: 0 2px 12px rgba(5,150,105,0.3);
}
.nav-cta:hover { background: linear-gradient(135deg, #059669, #047857); color: #fff !important; box-shadow: 0 4px 16px rgba(5,150,105,0.4); transform: translateY(-1px); }

/* ── Buttons ── */
.landing-btn-primary {
  background: linear-gradient(135deg, #10b981, #059669); color: #fff !important;
  padding: 14px 32px; border-radius: 10px; font-size: 15px; font-weight: 700;
  border: none; cursor: pointer; display: inline-flex; align-items: center; gap: 8px;
  transition: all .2s; min-height: 48px; width: 100%; justify-content: center;
  box-shadow: 0 4px 20px rgba(5,150,105,0.35);
}
.landing-btn-primary:hover { background: linear-gradient(135deg, #059669, #047857); color: #fff !important; transform: translateY(-2px); box-shadow: 0 8px 28px rgba(5,150,105,0.4); }

/* ── Hero Section ── */
.landing-hero {
  padding: 34px 0 16px; position: relative; overflow: hidden;
}
/* Floating orbs — hidden for unified background */
.hero-orb { display: none; }

.landing-hero .landing-container { text-align: center; position: relative; z-index: 1; }

.hero-text h1 { font-size: 28px; font-weight: 800; color: var(--landing-gray-900); line-height: 1.3; margin-bottom: 12px; }
.hero-text h1 span { color: var(--landing-primary); }
.hero-text p { font-size: 15px; color: var(--landing-gray-600); line-height: 1.8; margin-bottom: 22px; }

/* Hero Benefits (Spotlight Loop) */
.hero-benefits { display: flex; flex-direction: column; gap: 6px; margin-top: 24px; width: 100%; }
.hero-benefit-card {
  position: relative;
  display: flex; align-items: flex-start; gap: 17px;
  text-align: left;
  background: #fff; padding: 15px 20px; border-radius: 12px;
  border: 1px solid var(--landing-gray-100);
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
  opacity: 0.5; transform: scale(0.97);
  animation: heroSpotlight 7.5s ease-in-out infinite;
}
.hero-benefit-card:nth-child(1) { animation-delay: 0s; }
.hero-benefit-card:nth-child(2) { animation-delay: 2.5s; }
.hero-benefit-card:nth-child(3) { animation-delay: 5s; }
@keyframes heroSpotlight {
  0%, 33%, 100% { opacity: 0.5; transform: scale(0.97); border-color: var(--landing-gray-100); box-shadow: 0 2px 8px rgba(0,0,0,0.04); }
  8%, 25% { opacity: 1; transform: scale(1.03); border-color: #a7f3d0; box-shadow: 0 8px 24px rgba(5,150,105,0.12); }
}
.hero-benefit-card::before {
  content: ''; position: absolute; left: 0; top: 8px; bottom: 8px; width: 3px;
  background: linear-gradient(180deg, #10b981, #059669);
  border-radius: 0 3px 3px 0;
}
.hero-benefit-num {
  flex: 0 0 auto; font-size: 21px; font-weight: 800; color: var(--landing-primary);
  font-variant-numeric: tabular-nums; line-height: 1; padding-top: 2px; letter-spacing: -0.02em;
}
.hero-benefit-body { flex: 1; min-width: 0; }
.hero-benefit-title { font-size: 16px; font-weight: 700; color: var(--landing-gray-900); }
.hero-benefit-desc { font-size: 13px; color: var(--landing-gray-500); margin-top: 3px; }

/* ── Events Section ── */
.landing-events .section-header { text-align: center; margin-bottom: 24px; }
.landing-events .section-header h2 { font-size: 24px; font-weight: 800; color: var(--landing-gray-900); }

.events-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }

.event-card {
  background: #fff; border-radius: 14px; padding: 0; overflow: visible;
  border: none; box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  transition: all .35s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.landing-stagger .event-card.landing-fade-child.visible:hover { transform: translateY(-6px); box-shadow: 0 12px 32px rgba(5,150,105,0.12); }
.event-card:hover { transform: translateY(-6px); box-shadow: 0 12px 32px rgba(5,150,105,0.12); }
.event-card-bar { display: none; }
.event-card-body { padding: 24px 20px; min-height: 140px; display: flex; flex-direction: column; justify-content: flex-start; }
.event-card-tag { display: inline-block; align-self: flex-start; font-size: 12px; font-weight: 700; padding: 3px 10px; border-radius: 50px; margin-bottom: 10px; animation: eventTagBounce 3s ease-in-out infinite; }
.event-card:nth-child(1) .event-card-tag { background: var(--landing-gray-100); color: var(--landing-gray-700); animation-delay: 0s; }
.event-card:nth-child(2) .event-card-tag { background: var(--landing-primary-light); color: var(--landing-primary-dark); animation-delay: 1s; }
.event-card:nth-child(3) .event-card-tag { background: var(--landing-gray-100); color: var(--landing-gray-700); animation-delay: 2s; }
@keyframes eventTagBounce {
  0%, 100% { transform: translateY(0); }
  25% { transform: translateY(-4px); }
  50% { transform: translateY(0); }
  75% { transform: translateY(-2px); }
}
.event-card-title { font-size: 17px; font-weight: 700; color: var(--landing-gray-800); margin-bottom: 8px; }
.event-card-desc { font-size: 14px; color: var(--landing-gray-500); line-height: 1.6; }

/* ── Pricing Section ── */
.pricing-header { text-align: center; margin-bottom: 28px; }
.pricing-header h2 { font-size: 24px; font-weight: 800; color: var(--landing-gray-900); margin-bottom: 8px; }
.pricing-header p { font-size: 15px; color: var(--landing-gray-500); }

.formula-note {
  display: block;
  font-size: 11px;
  color: #94a3b8;
  font-weight: 400;
  margin-top: 2px;
}

.pricing-promise {
  text-align: center;
  max-width: 420px;
  margin: 0 auto 32px;
  padding: 20px 24px;
  background: linear-gradient(135deg, #f0fdf4 0%, #ecfdf5 100%);
  border-radius: 12px;
  border: 1px solid #d1fae5;
}
.pricing-promise p {
  font-size: 14px;
  line-height: 1.8;
  color: #065f46;
  font-weight: 500;
  margin: 0;
}

.pricing-grid { display: grid; grid-template-columns: 1fr; gap: 16px; max-width: 480px; margin: 0 auto; }

.price-card {
  background: #fff; border-radius: 16px; padding: 28px 22px;
  border: 1px solid var(--landing-gray-200);
  transition: all .35s cubic-bezier(0.34, 1.56, 0.64, 1); position: relative;
}
.price-card:hover,
.landing-stagger .price-card.landing-fade-child.visible:hover { transform: translateY(-6px); box-shadow: 0 16px 40px rgba(0,0,0,.08); }
.featured-tag { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--landing-primary); color: #fff; padding: 4px 18px; border-radius: 50px; font-size: 12px; font-weight: 700; }
.price-card h3 { font-size: 16px; font-weight: 600; color: var(--landing-gray-500); margin-bottom: 12px; }
.price-card .amount { font-size: 36px; font-weight: 800; color: var(--landing-gray-900); }
.price-card .amount span { font-size: 14px; font-weight: 500; color: var(--landing-gray-400); margin-left: 4px; }
.price-card .amount .vat-paren { font-size: 12px; font-weight: 500; color: var(--landing-gray-400); }
.price-card .desc { font-size: 13px; color: var(--landing-gray-400); margin: 4px 0 16px; }
.price-card ul { list-style: none; margin-bottom: 20px; }
.price-card ul li {
  padding: 6px 0; font-size: 14px; color: var(--landing-gray-600);
  display: flex; align-items: center; gap: 8px;
}
.price-card ul li::before {
  content: ""; width: 16px; height: 16px; border-radius: 50%;
  background: var(--landing-primary-light); flex-shrink: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%23059669'%3E%3Cpath d='M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z'/%3E%3C/svg%3E");
  background-size: 10px; background-repeat: no-repeat; background-position: center;
}
.price-btn {
  display: block; width: 100%; padding: 14px; border-radius: 10px;
  font-size: 15px; font-weight: 700; border: none; cursor: pointer;
  transition: all .2s; text-align: center; min-height: 48px;
}
.price-btn.solid { background: var(--landing-primary); color: #fff; }
.price-btn.solid:hover { background: var(--landing-primary-dark); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(5,150,105,0.3); }
.price-btn.ghost { background: transparent; color: var(--landing-primary); border: 1.5px solid var(--landing-primary); }
.price-btn.ghost:hover { background: #f0fdf4; border-color: var(--landing-primary-dark); transform: translateY(-2px); }

/* ============================================
   Pricing Card - Interactive (V4 B)
   ============================================ */
.pricing-card-single {
  background: #fff; border-radius: 20px; border: 1px solid var(--landing-gray-200);
  overflow: hidden; max-width: 540px; margin: 0 auto;
}

.pricing-hero {
  padding: 32px 32px 26px; text-align: center;
  background: #fff;
  border-bottom: 1px solid var(--landing-gray-100);
}
.pricing-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: #ecfdf5; color: var(--landing-primary);
  font-size: 12px; font-weight: 700; padding: 6px 14px; border-radius: 50px;
  border: 1px solid #a7f3d0; margin-bottom: 18px;
}
.pricing-includes-wrap { margin-bottom: 22px; }
.pricing-includes-label {
  font-size: 11px; font-weight: 700; color: var(--landing-gray-400);
  text-transform: uppercase; letter-spacing: 0.7px;
  margin-bottom: 8px;
}
.pricing-includes {
  display: inline-flex; align-items: center; gap: 6px; flex-wrap: wrap;
  justify-content: center;
}
.pricing-pill {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 11px; font-weight: 700;
  padding: 5px 11px; border-radius: 50px;
  background: #fff; border: 1px solid var(--landing-gray-200);
  letter-spacing: -0.01em;
}
.pricing-pill.yes { color: #047857; border-color: #a7f3d0; background: #ecfdf5; }
.pricing-pill.yes::before { content: '✓'; font-weight: 900; color: var(--landing-primary); }
.pricing-pill.no { color: var(--landing-gray-400); border-color: var(--landing-gray-200); background: var(--landing-gray-50); }
.pricing-pill.no::before { content: '✕'; font-weight: 900; color: var(--landing-gray-300); }
.pricing-pill.no span { text-decoration: line-through; text-decoration-color: var(--landing-gray-300); }

.pricing-divider {
  height: 1px; background: var(--landing-gray-100);
  margin: 0 auto 18px; max-width: 70%;
}

.pricing-strike { text-align: center; margin-bottom: 8px; }
.pricing-discount-ribbon {
  display: inline-block; font-size: 13px; font-weight: 800; color: #fff;
  background: var(--landing-primary);
  padding: 4px 14px; border-radius: 20px; margin-bottom: 8px;
  letter-spacing: 0.02em;
}
.pricing-original {
  display: block; font-size: 17px; font-weight: 600; color: var(--landing-gray-400);
  text-decoration: line-through; text-decoration-thickness: 2px;
}
.pricing-amount {
  font-size: 54px; font-weight: 900; color: var(--landing-primary);
  letter-spacing: -0.03em; line-height: 1;
  font-feature-settings: 'tnum';
}
.pricing-amount .currency { font-size: 20px; font-weight: 800; color: var(--landing-primary); margin-left: 4px; letter-spacing: 0; }
.pricing-period { font-size: 12px; color: var(--landing-gray-500); margin-top: 10px; font-weight: 600; }

.pricing-slider-wrap { padding: 24px 32px 22px; }
.pricing-slider-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 14px;
}
.pricing-slider-title { font-size: 11px; font-weight: 700; color: var(--landing-gray-500); text-transform: uppercase; letter-spacing: 0.7px; }
.pricing-slider-value {
  font-size: 13px; font-weight: 800; color: var(--landing-primary);
  background: #ecfdf5; padding: 5px 13px; border-radius: 50px;
  border: 1px solid #a7f3d0;
  font-feature-settings: 'tnum';
}
.pricing-slider {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 8px; border-radius: 50px;
  background: var(--landing-gray-200);
  outline: none;
  touch-action: none;
}
.pricing-slider::-webkit-slider-runnable-track {
  height: 8px; border-radius: 50px;
  background: linear-gradient(90deg, #10b981 0%, #059669 var(--pricing-progress, 30%), var(--landing-gray-200) var(--pricing-progress, 30%), var(--landing-gray-200) 100%);
}
.pricing-slider::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 28px; height: 28px; border-radius: 50%;
  background: #fff; border: 3px solid var(--landing-primary);
  cursor: pointer;
  margin-top: -10px;
  box-shadow: 0 2px 8px rgba(5, 150, 105, 0.18);
  transition: transform .15s, box-shadow .15s;
}
.pricing-slider::-webkit-slider-thumb:hover {
  transform: scale(1.1);
  box-shadow: 0 4px 12px rgba(5, 150, 105, 0.28);
}
.pricing-slider::-moz-range-track { height: 8px; border-radius: 50px; background: var(--landing-gray-200); }
.pricing-slider::-moz-range-progress { height: 8px; border-radius: 50px; background: var(--landing-primary); }
.pricing-slider::-moz-range-thumb {
  width: 28px; height: 28px; border-radius: 50%;
  background: #fff; border: 3px solid var(--landing-primary);
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(5, 150, 105, 0.18);
}
.pricing-scale {
  display: flex; justify-content: space-between; margin-top: 10px;
  font-size: 11px; color: var(--landing-gray-400); font-weight: 600;
}

.pricing-formula {
  padding: 22px 32px 30px;
  border-top: 1px solid var(--landing-gray-100);
  background: var(--landing-gray-50);
}
.pricing-formula-title {
  font-size: 11px; font-weight: 700; color: var(--landing-gray-500);
  text-transform: uppercase; letter-spacing: 0.7px; margin-bottom: 12px;
}
.pricing-formula-row {
  display: flex; align-items: center; padding: 10px 0;
  font-size: 14px;
}
.pricing-formula-row + .pricing-formula-row { border-top: 1px dashed var(--landing-gray-200); }
.pricing-formula-text { flex: 1; color: var(--landing-gray-600); line-height: 1.4; }
.pricing-formula-text strong { color: var(--landing-gray-900); font-weight: 700; }
.pricing-formula-price { font-weight: 800; color: var(--landing-gray-900); white-space: nowrap; font-feature-settings: 'tnum'; }

@media (max-width: 520px) {
  .pricing-amount { font-size: 46px; }
  .pricing-slider-wrap, .pricing-formula { padding-left: 24px; padding-right: 24px; }
  .pricing-hero { padding: 28px 24px 24px; }
}

/* ── Scroll Fade-in Animation ── */
.landing-fade-in {
  opacity: 0; transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.landing-fade-in.visible { opacity: 1; transform: translateY(0); }
.landing-stagger .landing-fade-child {
  opacity: 0; transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.landing-stagger .landing-fade-child.visible { opacity: 1; transform: translateY(0); }
.landing-stagger .event-card.landing-fade-child.visible,
.landing-stagger .price-card.landing-fade-child.visible { transition: all .35s cubic-bezier(0.34, 1.56, 0.64, 1); }

/* ── Footer ── */
.landing-footer { background: #fff; border-top: 1px solid var(--landing-gray-200); color: var(--landing-gray-500); padding: 28px 0; }
.landing-footer .landing-container { display: flex; flex-direction: column; align-items: center; gap: 10px; }
.footer-bottom { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--landing-gray-400); }
.footer-bottom a { font-size: 12px; color: var(--landing-gray-400); transition: color .2s; }
.footer-bottom a:hover { color: var(--landing-gray-900); }
.footer-sep { color: var(--landing-gray-200); }

/* ── Mobile Sticky CTA Bar ── */
.landing-mobile-cta {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 99;
  background: rgba(255,255,255,.95); backdrop-filter: blur(12px);
  border-top: 1px solid var(--landing-gray-200);
  padding: 12px 20px calc(12px + env(safe-area-inset-bottom));
  opacity: 0; transition: opacity .3s; pointer-events: none;
}
.landing-mobile-cta.show { opacity: 1; pointer-events: auto; }
.landing-mobile-cta .landing-btn-primary { width: 100%; }

/* ============================================
   Desktop (min-width: 769px)
   ============================================ */
@media (min-width: 769px) {
  .landing-container { padding: 0 32px; }
  .landing-section { padding: 36px 0; }

  /* Nav */
  .nav-logo { font-size: 20px; }
  .nav-cta { display: inline-block; }

  /* Hero */
  .landing-hero { padding: 56px 0 28px; }
  .landing-hero .landing-container { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; text-align: left; }
  .hero-text h1 { font-size: 44px; }
  .hero-text p { font-size: 17px; }
  .landing-btn-primary { width: auto; }
  .hero-benefits { margin-top: 0; }

  /* Events */
  .landing-events .section-header h2 { font-size: 36px; }
  .events-grid { grid-template-columns: repeat(3, 1fr); gap: 20px; }

  /* Pricing */
  .pricing-header h2 { font-size: 36px; }
  .pricing-grid { grid-template-columns: repeat(2, 1fr); max-width: 700px; }

  /* Footer */
  .landing-footer .landing-container { flex-direction: column; }

  /* Hide mobile sticky CTA on desktop */
  .landing-mobile-cta { display: none; }
}

/* ── Reduced Motion ── */
@media (prefers-reduced-motion: reduce) {
  .hero-orb,
  .hero-orb-1,
  .hero-orb-2,
  .hero-orb-3 { animation: none; }
  .hero-benefit-card { animation: none; opacity: 1; transform: none; }
  .landing-fade-in { transition: none; opacity: 1; transform: none; }
  .landing-stagger .landing-fade-child { transition: none; opacity: 1; transform: none; }
  .event-card,
  .price-card { transition: none; }
  .event-card-tag { animation: none; }
}

/* ── Legal Pages (이용약관, 개인정보처리방침) ── */
.legal-page { padding: 40px 0; }
.legal-title { font-size: 28px; font-weight: 800; color: var(--landing-gray-900); margin-bottom: 8px; }
.legal-date { font-size: 13px; color: var(--landing-gray-400); margin-bottom: 24px; }

/* 목차 (약관·개인정보 inline 앵커 chips) */
.legal-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 14px 16px;
  margin-bottom: 28px;
  background: var(--landing-gray-50, #f8fafc);
  border: 1px solid var(--landing-gray-200, #e2e8f0);
  border-radius: 10px;
  max-width: 720px;
}
.legal-toc a {
  font-size: 12px;
  font-weight: 600;
  padding: 5px 10px;
  background: #fff;
  border: 1px solid var(--landing-gray-200, #e2e8f0);
  border-radius: 6px;
  color: var(--landing-primary-700, #047857);
  text-decoration: none;
  transition: all 0.15s;
}
.legal-toc a:hover {
  background: var(--landing-primary-50, #ecfdf5);
  border-color: var(--landing-primary-300, #6ee7b7);
}
/* h2 앵커 스크롤 시 상단 고정 nav 높이만큼 offset */
.legal-content h2[id] { scroll-margin-top: 80px; }

.legal-content { max-width: 720px; }
.legal-content h2 { font-size: 17px; font-weight: 700; color: var(--landing-gray-800); margin: 28px 0 12px; }
.legal-content p { font-size: 14px; color: var(--landing-gray-600); line-height: 1.8; margin-bottom: 12px; }
.legal-content ol,
.legal-content ul { padding-left: 20px; margin-bottom: 12px; }
.legal-content li { font-size: 14px; color: var(--landing-gray-600); line-height: 1.8; padding: 2px 0; }
.legal-content ul { list-style: disc; }
.legal-table { width: 100%; border-collapse: collapse; margin: 12px 0 16px; font-size: 13px; }
.legal-table th,
.legal-table td { padding: 10px 14px; border: 1px solid var(--landing-gray-200); text-align: left; color: var(--landing-gray-600); }
.legal-table th { background: var(--landing-gray-50); font-weight: 600; color: var(--landing-gray-700); }
@media (max-width: 768px) {
  .legal-content { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .legal-table { min-width: 480px; }
}
.legal-notice { margin-top: 32px; padding: 16px 20px; background: var(--landing-gray-50); border-radius: 8px; }
.legal-notice p { margin-bottom: 0; color: var(--landing-gray-500); }