/* ============================================================
   landing.css — 랜딩 전용 (간단 소개 + 큼지막한 워크플로우 + 요약)
   ============================================================ */

/* ---- 상단 소개 ---- */
.intro {
  padding: 64px 0 8px;
  text-align: center;
}

.intro-badge {
  display: inline-block;
  padding: 5px 16px;
  border-radius: 100px;
  border: 1.5px solid var(--color-accent);
  color: var(--color-accent);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.intro-title {
  font-size: clamp(1.8rem, 4.5vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: var(--color-text);
  margin-bottom: 16px;
}

.intro-title .en {
  display: block;
  font-family: 'Inter', sans-serif;
  font-size: 0.42em;
  font-weight: 400;
  color: var(--color-text-muted);
  letter-spacing: 0.03em;
  margin-top: 8px;
}

.intro-desc {
  max-width: 680px;
  margin: 0 auto;
  font-size: 1rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

/* ============================================================
   큼지막한 워크플로우 (한 화면, 클릭 → 아래 요약으로 스크롤)
   ============================================================ */
.bigflow-section {
  padding: 28px 0 88px;
}

.bigflow-hint {
  text-align: center;
  font-size: 0.82rem;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  margin-bottom: 28px;
}

.bigflow {
  display: flex;
  align-items: stretch;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0;
}

.bigstep {
  flex: 1 1 165px;
  min-width: 150px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
  padding: 30px 18px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--color-card-shadow);
  transition: border-color var(--transition), box-shadow var(--transition), transform 0.18s;
  cursor: pointer;
}

.bigstep:hover {
  border-color: var(--color-accent);
  box-shadow: var(--color-card-shadow-hover);
  transform: translateY(-4px);
}

.bigstep-num {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-2));
  color: #fff;
  font-family: 'Inter', sans-serif;
  font-weight: 800;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 16px rgba(79, 110, 247, 0.3);
}

.bigstep-title {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--color-text);
}

.bigstep-en {
  font-family: 'Inter', sans-serif;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-top: -6px;
}

.bigstep-phrase {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  line-height: 1.55;
}

.bigflow-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 6px;
  color: var(--color-text-muted);
  flex: 0 0 auto;
}

.bigflow-arrow svg { width: 22px; height: 22px; }

.bigflow-scrollcue {
  text-align: center;
  margin-top: 32px;
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.bigflow-scrollcue::after {
  content: '';
  display: block;
  width: 1px;
  height: 22px;
  background: var(--color-text-muted);
  margin: 6px auto 0;
  opacity: 0.4;
  animation: cueBounce 2s infinite;
}

/* 중앙 정렬된 블록이라 translateX 없이 세로로만 움직인다 (좌측 잘림 방지) */
@keyframes cueBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

/* ============================================================
   단계 요약 (스크롤로 보는 간단 설명 + 상세 링크)
   ============================================================ */
.summary-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 44px;
}

.summary-card {
  display: grid;
  grid-template-columns: 56px 1fr auto;
  gap: 20px;
  align-items: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 22px 26px;
  box-shadow: var(--color-card-shadow);
  scroll-margin-top: 90px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.summary-card:hover { border-color: var(--color-accent); box-shadow: var(--color-card-shadow-hover); }

.summary-card:target {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-subtle), var(--color-card-shadow);
}

.summary-num {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: var(--color-accent-subtle);
  color: var(--color-accent);
  font-family: 'Inter', sans-serif;
  font-weight: 800;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.summary-body h3 {
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.01em;
  margin-bottom: 5px;
}

.summary-body h3 .en {
  font-family: 'Inter', sans-serif;
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--color-text-muted);
  margin-left: 8px;
  letter-spacing: 0.02em;
}

.summary-body p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
}

.summary-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  border: 1.5px solid var(--color-accent);
  color: var(--color-accent);
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
  transition: background var(--transition), color var(--transition);
}

.summary-link:hover { background: var(--color-accent); color: #fff; }
.summary-link svg { width: 15px; height: 15px; }

/* ============================================================
   추가 주제 카드 (자동화 · 기준 · 배포운영 → 상세 페이지)
   ============================================================ */
.topic-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 18px;
  margin-top: 44px;
}

.topic-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 26px 24px;
  box-shadow: var(--color-card-shadow);
  transition: border-color var(--transition), box-shadow var(--transition), transform 0.18s;
}

.topic-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--color-card-shadow-hover);
  transform: translateY(-3px);
}

.topic-icon { color: var(--color-accent); line-height: 1; }
.topic-icon svg { width: 28px; height: 28px; }

.topic-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.topic-card p {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
  flex: 1;
}

.topic-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--color-accent);
}

.topic-more svg { width: 15px; height: 15px; transition: transform 0.15s; }
.topic-card:hover .topic-more svg { transform: translateX(3px); }

/* ============================================================
   반응형
   ============================================================ */
@media (max-width: 768px) {
  .bigflow { flex-direction: column; }
  .bigflow-arrow { transform: rotate(90deg); padding: 6px 0; }
  .summary-card { grid-template-columns: 48px 1fr; }
  .summary-link { grid-column: 1 / -1; justify-content: center; margin-top: 4px; }
  .summary-num { width: 48px; height: 48px; }
}

@media (max-width: 480px) {
  .intro { padding: 44px 0 4px; }
  .bigstep { padding: 24px 16px; }
}