/* ════════════════════════════════════════════
   HOME PAGE — Design System v2
════════════════════════════════════════════ */

/* ── EYEBROW ── */
.eyebrow {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: '';
  display: inline-block;
  width: 28px;
  height: 1px;
  background: var(--gold);
}

/* ── HERO ── */
.hero {
  padding: 100px 0 90px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201,168,76,0.07) 0%, transparent 70%);
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-title {
  font-family: var(--font-serif);
  font-size: 56px;
  font-weight: 300;
  line-height: 1.12;
  color: var(--white);
  margin-bottom: 28px;
}
.hero-title em {
  font-style: italic;
  color: var(--gold);
}
.hero-body {
  font-size: 15px;
  line-height: 1.75;
  color: var(--gray);
  max-width: 420px;
  margin-bottom: 16px;
}
.nasba-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(201,168,76,0.06);
  border: 1px solid rgba(201,168,76,0.35);
  padding: 10px 16px;
  border-radius: 2px;
  margin-bottom: 32px;
}
.nasba-badge strong {
  display: block;
  font-size: 11px;
  font-weight: 500;
  color: var(--gold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.nasba-badge span {
  font-size: 11px;
  color: var(--gray);
}
.nasba-star {
  width: 28px;
  height: 28px;
  background: var(--gold);
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 14px;
  color: var(--black);
}
.hero-actions {
  display: flex;
  gap: 16px;
  align-items: center;
}

/* Hero stat cards (right column) */
.hero-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
}
.stat-card {
  background: var(--black2);
  border: 1px solid rgba(201,168,76,0.12);
  padding: 32px 28px;
  position: relative;
}
.stat-card:first-child {
  grid-column: 1 / -1;
  background: var(--black3);
  border-color: rgba(201,168,76,0.25);
}
.stat-num {
  font-family: var(--font-serif);
  font-size: 56px;
  font-weight: 700;
  color: #C9A84C;
  line-height: 1;
  margin-bottom: 6px;
}
.stat-num.lg { font-size: 80px; }
.stat-label {
  font-size: 15px;
  color: #F7F5F0;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.stat-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  background: var(--gold-dim);
  border: 1px solid rgba(201,168,76,0.3);
  color: #F7F5F0;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 2px;
}

/* ── TRUST BAR ── */
.trust-bar {
  border-top: 1px solid rgba(201,168,76,0.3);
  border-bottom: 1px solid rgba(201,168,76,0.3);
  background: #ffffff;
  overflow: hidden;
  padding: 64px 0;
}

/* ── USP GRID ── */
.usp-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.usp-card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: #f9f7f2;
  border: 1px solid rgba(201,168,76,0.35);
  border-radius: 4px;
  padding: 20px 24px;
  transition: background 0.3s, border-color 0.3s;
}
.usp-card:hover {
  background: rgba(201,168,76,0.12);
  border-color: #C9A84C;
}
.usp-check {
  color: #C9A84C;
  font-size: 20px;
  flex-shrink: 0;
  font-weight: 700;
}
.usp-text {
  font-size: 15px;
  font-weight: 600;
  color: #1a1a1a;
}

/* ── EVENT CARDS ── */
.p-card.ec {
  background: rgba(201,168,76,0.15);
  border: 1px solid #C9A84C;
}
.p-card.ec:hover { background: rgba(201,168,76,0.22); border-color: #C9A84C; }
.p-card.ec .p-name { color: #F7F5F0; }
.p-card.ec .p-desc { color: #F7F5F0; }

/* ── CAROUSEL / SERVICES ── */
.carousel-section { padding: 56px 0; }

.sec-eyebrow {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 8px;
}
.sec-title {
  font-family: var(--font-serif);
  font-size: 40px;
  font-weight: 300;
  color: var(--white);
  line-height: 1.15;
}
.sec-title em { font-style: italic; color: var(--gold); }

.carousel-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.carousel-tabs { display: flex; gap: 2px; }
.c-tab {
  background: var(--black2);
  border: 1px solid rgba(255,255,255,0.06);
  padding: 14px 32px;
  font-family: var(--font-sans);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray);
  cursor: pointer;
  transition: all 0.25s;
  border-radius: 2px;
}
.c-tab.active {
  background: var(--black3);
  border-color: var(--gold);
  color: var(--gold);
}
.carousel-panel { display: none; }
.carousel-panel.active { display: block; }

/* Services grid */
.services-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2px;
}
.svc-card {
  background: var(--black2);
  border: 1px solid rgba(255,255,255,0.05);
  padding: 40px 36px;
  position: relative;
  cursor: pointer;
  transition: border-color 0.3s;
  overflow: hidden;
}
.svc-card:hover { border-color: rgba(201,168,76,0.3); }
.svc-card.featured {
  background: var(--black3);
  border-color: rgba(201,168,76,0.2);
}
.svc-num {
  font-family: var(--font-serif);
  font-size: 72px;
  font-weight: 300;
  color: rgba(201,168,76,0.07);
  position: absolute;
  top: 16px;
  right: 20px;
  line-height: 1;
  pointer-events: none;
}
.svc-tag {
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
  display: inline-block;
  border: 1px solid rgba(201,168,76,0.25);
  padding: 3px 8px;
  border-radius: 1px;
}
.svc-name {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 400;
  color: var(--white);
  margin-bottom: 14px;
  line-height: 1.2;
}
.svc-desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--gray);
  margin-bottom: 28px;
}
.arrow {
  color: var(--gold);
  font-size: 18px;
  transition: transform 0.2s;
  display: inline-block;
  text-decoration: none;
}
.svc-card:hover .arrow { transform: translateX(4px); }

/* Steps / Lectures grid */
.lectures-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}
.steps-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 2px;
}
.lec-card {
  background: var(--black2);
  border: 1px solid rgba(255,255,255,0.05);
  padding: 36px 32px;
  cursor: pointer;
  transition: border-color 0.3s;
  position: relative;
  overflow: hidden;
}
.lec-card:hover { border-color: rgba(201,168,76,0.3); }
.lec-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s;
}
.lec-card:hover::after { transform: scaleX(1); }
.lec-cat {
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
  display: inline-block;
  border: 1px solid rgba(201,168,76,0.25);
  padding: 3px 8px;
  border-radius: 1px;
}
.lec-name {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 400;
  color: var(--white);
  margin-bottom: 10px;
  line-height: 1.2;
}
.lec-instructor {
  font-size: 12px;
  color: var(--gold);
  letter-spacing: 0.04em;
  margin-bottom: 14px;
  line-height: 1.5;
}
.lec-desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--gray);
  margin-bottom: 24px;
}
.lec-link {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  display: flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
}

/* ── NASBA / ABOUT ── */
.nasba-section {
  padding: 70px 0;
  background: var(--black2);
  border-top: 1px solid rgba(201,168,76,0.15);
  border-bottom: 1px solid rgba(201,168,76,0.15);
}
.nasba-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.nasba-left h2 {
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 300;
  line-height: 1.2;
  color: var(--white);
  margin-bottom: 18px;
}
.nasba-left h2 em { font-style: italic; color: var(--gold); }
.nasba-left p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--gray);
}
.nasba-left p + p { margin-top: 12px; }
.nasba-left .btn-ghost { margin-top: 28px; }
.nasba-cards { display: flex; flex-direction: column; gap: 14px; }
.nc {
  background: var(--black3);
  border: 1px solid rgba(201,168,76,0.2);
  padding: 24px 28px;
  border-radius: 2px;
  position: relative;
  overflow: hidden;
}
.nc::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 100%;
  background: var(--gold);
}
.nc-title {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 7px;
}
.nc-body {
  font-size: 14px;
  color: var(--white);
  line-height: 1.5;
}
.nc-sub {
  font-size: 12px;
  color: var(--gray);
  margin-top: 4px;
}

/* ── PROOF / REVIEWS ── */
.proof-section {
  padding: 70px 0;
  background: var(--black2);
  border-top: 1px solid rgba(255,255,255,0.05);
}
.proof-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  margin-top: 48px;
}
.proof-label {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.proof-label::before {
  content: '';
  display: inline-block;
  width: 20px;
  height: 1px;
  background: var(--gold);
}
.proof-subtitle {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 300;
  color: var(--white);
  margin-bottom: 24px;
  line-height: 1.3;
}
.proof-subtitle em { font-style: italic; color: var(--gold); }
.chips { display: flex; flex-wrap: wrap; gap: 7px; }
.chip {
  background: var(--black3);
  border: 1px solid rgba(255,255,255,0.07);
  padding: 8px 14px;
  font-size: 12px;
  color: var(--gray);
  border-radius: 1px;
  transition: all 0.2s;
  white-space: nowrap;
}
.chip.hi {
  border-color: rgba(201,168,76,0.2);
  color: #efede8;
}
.proof-note {
  font-size: 11px;
  color: var(--gray2);
  margin-top: 14px;
  line-height: 1.6;
}

/* ── WHY ── */
.why-section {
  background: var(--black2);
  border-top: 1px solid rgba(201,168,76,0.15);
  border-bottom: 1px solid rgba(201,168,76,0.15);
  padding: 70px 0;
}
.why-section-header {
  text-align: center;
  margin-bottom: 48px;
}
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}
.why-line {
  width: 32px;
  height: 1px;
  background: var(--gold);
  margin-bottom: 14px;
}
.why-title {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 400;
  color: var(--white);
  margin-bottom: 8px;
  line-height: 1.3;
}
.why-desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--gray);
}

/* ── LECTURES INTRO ── */
.lec-intro {
  margin-bottom: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.lec-intro-body {
  font-size: 14px;
  line-height: 1.75;
  color: var(--gray);
  max-width: 680px;
  margin-top: 16px;
  margin-bottom: 20px;
}

/* ── PARTNERS ── */
.partners-section { padding: 70px 0; }
.partners-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  margin-top: 48px;
}
.p-card {
  background: var(--black2);
  border: 1px solid rgba(255,255,255,0.05);
  padding: 28px 24px;
  transition: border-color 0.3s;
}
.p-card:hover { border-color: rgba(201,168,76,0.25); }
.p-type {
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  border: 1px solid rgba(201,168,76,0.25);
  padding: 3px 8px;
  border-radius: 1px;
  display: inline-block;
  margin-bottom: 12px;
}
.p-name {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 400;
  color: var(--white);
  margin-bottom: 8px;
}
.p-desc {
  font-size: 12px;
  color: var(--gray);
  line-height: 1.6;
}

/* ── LIGHT SECTION (Apple 스타일 옅은 회색) ── */
.section-light {
  background: #F5F5F7 !important;
  color: #1d1d1f;
}
.section-light .sec-title { color: #1d1d1f; }
.section-light .sec-title em { color: var(--gold); }
.section-light .sec-eyebrow,
.section-light .eyebrow,
.section-light .section-eyebrow { color: #C9A84C !important; }
/* trust-bar */
.section-light.trust-bar { border-color: rgba(0,0,0,0.1); }
/* svc-card on light background */
.section-light .svc-card {
  background: #f9f7f2;
  border-color: rgba(201,168,76,0.35);
}
.section-light .svc-card.featured {
  background: #ffffff;
  border-color: rgba(201,168,76,0.45);
}
.section-light .svc-card:hover { border-color: #C9A84C; }
.section-light .svc-name { color: #1a1a1a; }
.section-light .svc-desc { color: #555550; }
.section-light .svc-num { color: rgba(201,168,76,0.15); }
.section-light .ti span { color: #1d1d1f !important; }
.section-light .sep { color: rgba(0,0,0,0.2) !important; }
/* NASBA cards */
.section-light .nasba-left h2 { color: #1d1d1f; }
.section-light .nasba-left h2 em { color: var(--gold); }
.section-light .nasba-left p { color: #6e6e73; }
.section-light .nc { background: #fff; border-color: rgba(0,0,0,0.1); }
.section-light .nc-body { color: #1d1d1f; }
.section-light .nc-sub { color: #6e6e73; }
/* proof / 고객사 */
.section-light .proof-subtitle { color: #1d1d1f; }
.section-light .proof-note { color: #6e6e73; }
.section-light .chip { background: #fff; border-color: rgba(0,0,0,0.1); color: #1d1d1f; }
.section-light .chip.hi { border-color: rgba(201,168,76,0.25); color: #1d1d1f; }
.section-light .client-logo-text { color: #1d1d1f !important; border-color: rgba(0,0,0,0.1) !important; }
/* partners / events 카드 */
.section-light .p-card { background: #fff; border-color: rgba(0,0,0,0.1); }
.section-light .p-card:hover { border-color: rgba(201,168,76,0.3); }
.section-light .p-name { color: #1d1d1f; }
.section-light .p-desc { color: #6e6e73; }
.section-light .p-desc[style*="color:var(--gold-light)"] { color: var(--gold) !important; }

/* ── CTA BANNER ── */
.cta-wrap { padding: 56px 0; }
.cta-banner {
  background: var(--black3);
  border: 1px solid rgba(201,168,76,0.25);
  padding: 64px 72px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  overflow: hidden;
  border-radius: 2px;
}
.cta-banner::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 350px;
  height: 350px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201,168,76,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.cta-title {
  font-family: var(--font-serif);
  font-size: 38px;
  font-weight: 300;
  color: var(--white);
  line-height: 1.2;
}
.cta-title em { font-style: italic; color: var(--gold); }
.cta-sub {
  font-size: 14px;
  color: var(--gray);
  margin-top: 10px;
  line-height: 1.6;
}
.cta-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-end;
  flex-shrink: 0;
}
.kakao-btn {
  display: inline-block;
  background: #FEE500;
  color: #000;
  border: none;
  padding: 10px 20px;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  border-radius: 2px;
  text-decoration: none;
  text-align: center;
  transition: opacity 0.2s;
}
.kakao-btn:hover { opacity: 0.85; }

/* ── RESPONSIVE ── */
@media (max-width: 1100px) {
  .hero-grid { gap: 40px; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .svc-card.featured { grid-column: 1 / -1; }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .partners-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(3, 1fr); }
  .nasba-inner { gap: 40px; }
  .steps-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-stats { display: none; }
  .nasba-inner { grid-template-columns: 1fr; }
  .proof-grid { grid-template-columns: 1fr; gap: 40px; }
  .lectures-grid { grid-template-columns: 1fr; }
  .cta-banner { flex-direction: column; gap: 32px; text-align: center; padding: 48px 40px; }
  .carousel-header { flex-direction: column; align-items: flex-start; gap: 20px; }
  .cta-actions { align-items: center; }
  .usp-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .hero { padding: 80px 0 60px; }
  .hero-title { font-size: 40px; }
  .hero-actions { flex-direction: column; align-items: flex-start; gap: 12px; }
  .why-grid { grid-template-columns: 1fr; gap: 32px; }
  .partners-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .cta-banner { padding: 40px 24px; }
  .cta-title { font-size: 28px; }
  .c-tab { padding: 12px 20px; }
  .usp-grid { grid-template-columns: 1fr; }
}

/* ── 스크롤 애니메이션 ── */
.animate {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.animate-in {
  opacity: 1;
  transform: translateY(0);
}
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }