@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+KR:wght@400;600;700;900&family=Cinzel:wght@400;700;900&family=Inter:wght@300;400;600;700&display=swap');

:root {
  --gold: #c9a84c;
  --gold-light: #e8c97a;
  --gold-dark: #8b6914;
  --bg-dark: #0a0a0f;
  --bg-card: #12121e;
  --bg-section: #0d0d18;
  --text-main: #f0e8d5;
  --text-sub: #a89880;
  --accent: #7b5ea7;
  --accent2: #3d8bc4;
  --red-luck: #c0392b;
  --border: rgba(201,168,76,0.2);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Serif KR', 'Inter', serif;
  background: var(--bg-dark);
  color: var(--text-main);
  overflow-x: hidden;
}

/* ===== LANG BAR ===== */
.lang-bar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 999;
  background: rgba(10,10,15,0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  padding: 10px 30px;
  gap: 8px;
}

.lang-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-sub);
  padding: 5px 16px;
  border-radius: 20px;
  cursor: pointer;
  font-size: 13px;
  transition: all 0.3s;
  font-family: 'Inter', sans-serif;
}
.lang-btn:hover, .lang-btn.active {
  background: var(--gold);
  color: #0a0a0f;
  border-color: var(--gold);
  font-weight: 700;
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  text-align: center;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(123,94,167,0.15) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(61,139,196,0.12) 0%, transparent 60%),
    radial-gradient(ellipse at 50% 80%, rgba(201,168,76,0.08) 0%, transparent 60%),
    linear-gradient(180deg, #0a0a0f 0%, #0d0a1a 100%);
  padding: 100px 20px 60px;
}

/* Stars Animation */
.stars {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(2px 2px at 10% 15%, rgba(201,168,76,0.6) 0%, transparent 100%),
    radial-gradient(1px 1px at 25% 35%, rgba(255,255,255,0.4) 0%, transparent 100%),
    radial-gradient(2px 2px at 40% 10%, rgba(201,168,76,0.5) 0%, transparent 100%),
    radial-gradient(1px 1px at 60% 25%, rgba(255,255,255,0.3) 0%, transparent 100%),
    radial-gradient(2px 2px at 75% 45%, rgba(201,168,76,0.4) 0%, transparent 100%),
    radial-gradient(1px 1px at 85% 15%, rgba(255,255,255,0.5) 0%, transparent 100%),
    radial-gradient(1px 1px at 15% 65%, rgba(255,255,255,0.3) 0%, transparent 100%),
    radial-gradient(2px 2px at 55% 70%, rgba(201,168,76,0.5) 0%, transparent 100%),
    radial-gradient(1px 1px at 90% 75%, rgba(255,255,255,0.4) 0%, transparent 100%),
    radial-gradient(1px 1px at 30% 85%, rgba(201,168,76,0.3) 0%, transparent 100%),
    radial-gradient(2px 2px at 70% 90%, rgba(255,255,255,0.3) 0%, transparent 100%),
    radial-gradient(1px 1px at 45% 55%, rgba(201,168,76,0.6) 0%, transparent 100%);
  animation: twinkle 4s ease-in-out infinite alternate;
}

@keyframes twinkle {
  0% { opacity: 0.6; }
  100% { opacity: 1; }
}

.hero-content { position: relative; z-index: 2; max-width: 860px; }

.badge {
  display: inline-block;
  background: linear-gradient(135deg, rgba(201,168,76,0.2), rgba(201,168,76,0.05));
  border: 1px solid var(--gold);
  color: var(--gold);
  padding: 8px 24px;
  border-radius: 30px;
  font-size: 13px;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 30px;
  animation: fadeInDown 0.8s ease;
}

.hero-title {
  font-family: 'Cinzel', 'Noto Serif KR', serif;
  font-size: clamp(2rem, 5vw, 3.8rem);
  font-weight: 900;
  line-height: 1.3;
  margin-bottom: 24px;
  background: linear-gradient(135deg, var(--gold-light), var(--gold), var(--text-main));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: fadeInUp 1s ease 0.2s both;
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--text-sub);
  margin-bottom: 32px;
  animation: fadeInUp 1s ease 0.4s both;
  letter-spacing: 0.5px;
}

.hero-badges {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 40px;
  animation: fadeInUp 1s ease 0.6s both;
}

.hero-badges span {
  background: rgba(201,168,76,0.1);
  border: 1px solid var(--border);
  padding: 8px 20px;
  border-radius: 8px;
  font-size: 14px;
  color: var(--text-main);
}

.cta-btn {
  display: inline-block;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: #0a0a0f;
  font-weight: 700;
  font-size: 1.1rem;
  padding: 18px 48px;
  border-radius: 50px;
  text-decoration: none;
  letter-spacing: 0.5px;
  transition: all 0.3s;
  animation: fadeInUp 1s ease 0.8s both;
  box-shadow: 0 8px 32px rgba(201,168,76,0.3);
}
.cta-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 48px rgba(201,168,76,0.5);
}

.scroll-down {
  position: absolute;
  bottom: 30px;
  font-size: 1.5rem;
  color: var(--gold);
  animation: bounce 2s infinite;
}
@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(10px); }
}

/* ===== SECTIONS ===== */
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

.section-title {
  font-family: 'Cinzel', serif;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  text-align: center;
  color: var(--gold);
  margin-bottom: 56px;
  position: relative;
}
.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 2px;
  background: linear-gradient(to right, transparent, var(--gold), transparent);
  margin: 16px auto 0;
}

/* ===== CHAPTERS GRID ===== */
.contents-section {
  padding: 100px 0;
  background: var(--bg-section);
}

.chapters-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

.chapter-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px 24px;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}
.chapter-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(to right, transparent, var(--gold), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}
.chapter-card:hover {
  transform: translateY(-6px);
  border-color: rgba(201,168,76,0.5);
  box-shadow: 0 16px 48px rgba(0,0,0,0.4);
}
.chapter-card:hover::before { opacity: 1; }

.total-card {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, rgba(201,168,76,0.12), rgba(123,94,167,0.08));
  border-color: var(--gold);
  text-align: center;
}

.chapter-num {
  font-family: 'Cinzel', serif;
  font-size: 2rem;
  font-weight: 900;
  color: rgba(201,168,76,0.25);
  margin-bottom: 8px;
}
.chapter-icon { font-size: 1.8rem; margin-bottom: 12px; }
.chapter-card h3 { font-size: 1rem; color: var(--gold-light); margin-bottom: 8px; font-weight: 700; }
.chapter-card p { font-size: 0.85rem; color: var(--text-sub); }

/* ===== HOW IT WORKS ===== */
.how-section { padding: 100px 0; background: var(--bg-dark); }

.steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.step {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px 28px;
  text-align: center;
  flex: 1;
  min-width: 180px;
  max-width: 220px;
  transition: all 0.3s;
}
.step:hover { border-color: var(--gold); transform: translateY(-4px); }
.step-num {
  width: 52px; height: 52px;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: #0a0a0f;
  font-family: 'Cinzel', serif;
  font-weight: 900;
  font-size: 1.3rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}
.step h3 { color: var(--gold-light); font-size: 1rem; margin-bottom: 8px; }
.step p { color: var(--text-sub); font-size: 0.85rem; }
.step-arrow { font-size: 2rem; color: var(--gold); opacity: 0.4; }

/* ===== PRICING ===== */
.pricing-section { padding: 100px 0; background: var(--bg-section); }

.price-card {
  max-width: 480px;
  margin: 0 auto;
  background: linear-gradient(135deg, rgba(201,168,76,0.08), rgba(123,94,167,0.08));
  border: 2px solid var(--gold);
  border-radius: 24px;
  padding: 48px 40px;
  text-align: center;
}

.price-tag {
  font-family: 'Cinzel', serif;
  font-size: 3.5rem;
  font-weight: 900;
  color: var(--gold);
  margin-bottom: 16px;
}

.price-desc {
  color: var(--text-sub);
  font-size: 1rem;
  margin-bottom: 32px;
  line-height: 1.6;
}

.price-features {
  list-style: none;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.price-features li {
  padding: 10px 16px;
  background: rgba(255,255,255,0.04);
  border-radius: 8px;
  font-size: 0.95rem;
}

/* ===== ORDER FORM ===== */
.order-section {
  padding: 100px 0;
  background: var(--bg-dark);
}

.saju-form {
  max-width: 680px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.form-group label {
  font-size: 0.95rem;
  color: var(--gold-light);
  font-weight: 600;
  letter-spacing: 0.3px;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="date"],
.form-group select,
.form-group textarea {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-main);
  padding: 14px 18px;
  border-radius: 10px;
  font-size: 1rem;
  font-family: 'Noto Serif KR', serif;
  transition: border-color 0.3s;
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(201,168,76,0.1);
}

.form-group select option {
  background: var(--bg-card);
  color: var(--text-main);
}

.radio-group, .checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.radio-label, .check-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  padding: 10px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: all 0.2s;
  font-size: 0.9rem;
}
.radio-label:hover, .check-label:hover {
  border-color: var(--gold);
  background: rgba(201,168,76,0.08);
}
.radio-label input, .check-label input {
  accent-color: var(--gold);
}

/* ===== PAYMENT SECTION ===== */
.payment-section {
  background: linear-gradient(135deg, rgba(201,168,76,0.08), rgba(123,94,167,0.06));
  border: 1px solid var(--gold);
  border-radius: 16px;
  padding: 40px 32px;
  text-align: center;
}

.payment-info {
  color: var(--text-sub);
  margin-bottom: 20px;
  font-size: 0.95rem;
  line-height: 1.6;
}

.price-display {
  font-family: 'Cinzel', serif;
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--gold);
  margin-bottom: 28px;
}

#paypal-button-container {
  max-width: 320px;
  margin: 0 auto;
}

/* ===== SUCCESS MSG ===== */
.success-msg {
  text-align: center;
  padding: 60px 32px;
  background: linear-gradient(135deg, rgba(201,168,76,0.1), rgba(61,139,196,0.08));
  border: 1px solid var(--gold);
  border-radius: 24px;
  max-width: 600px;
  margin: 0 auto;
}
.success-icon { font-size: 4rem; margin-bottom: 20px; }
.success-msg h3 { font-size: 1.8rem; color: var(--gold); margin-bottom: 16px; }
.success-msg p { color: var(--text-sub); line-height: 1.7; }

/* ===== FOOTER ===== */
.footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 40px 24px;
  text-align: center;
  color: var(--text-sub);
  font-size: 0.85rem;
  line-height: 2;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .steps { flex-direction: column; }
  .step-arrow { transform: rotate(90deg); }
  .chapters-grid { grid-template-columns: 1fr 1fr; }
  .price-card { padding: 32px 24px; }
  .payment-section { padding: 28px 20px; }
  .saju-form { gap: 20px; }
}

@media (max-width: 480px) {
  .chapters-grid { grid-template-columns: 1fr; }
  .lang-bar { padding: 8px 16px; }
  .hero-badges { flex-direction: column; align-items: center; }
}