/* ============================================
   CLINE 포트폴리오 - 커스텀 스타일
   ============================================ */

/* 기본 폰트 설정 */
body {
  font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ============================================
   스크롤 페이드인 애니메이션
   ============================================ */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* 포트폴리오 카드 페이드인 */
.portfolio-card {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.45s ease, transform 0.45s ease, box-shadow 0.3s ease;
}

.portfolio-card.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* 카드 nth-child stagger 효과 */
.portfolio-card:nth-child(1)  { transition-delay: 0.00s; }
.portfolio-card:nth-child(2)  { transition-delay: 0.05s; }
.portfolio-card:nth-child(3)  { transition-delay: 0.10s; }
.portfolio-card:nth-child(4)  { transition-delay: 0.15s; }
.portfolio-card:nth-child(5)  { transition-delay: 0.20s; }
.portfolio-card:nth-child(6)  { transition-delay: 0.25s; }
.portfolio-card:nth-child(7)  { transition-delay: 0.30s; }
.portfolio-card:nth-child(8)  { transition-delay: 0.35s; }
.portfolio-card:nth-child(9)  { transition-delay: 0.40s; }
.portfolio-card:nth-child(10) { transition-delay: 0.45s; }
.portfolio-card:nth-child(11) { transition-delay: 0.50s; }
.portfolio-card:nth-child(12) { transition-delay: 0.55s; }

/* 카드 호버 효과 */
.portfolio-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.10);
}

/* is-visible 상태에서 호버 오버라이드 */
.portfolio-card.is-visible:hover {
  transform: translateY(-4px);
}

/* ============================================
   필터 칩
   ============================================ */
.filter-chip {
  cursor: pointer;
  border: 1.5px solid #EFEFEF;
  background: #ffffff;
  color: #666666;
  transition: all 0.2s ease;
}

.filter-chip:hover {
  border-color: #2563EB;
  color: #2563EB;
}

.filter-chip.active {
  border-color: #2563EB;
  background-color: #EFF6FF;
  color: #2563EB;
  font-weight: 600;
}

/* ============================================
   검색 인풋
   ============================================ */
#searchInput:focus {
  outline: none;
  border-color: #2563EB;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

/* ============================================
   모달 애니메이션
   ============================================ */
#modalBackdrop {
  transition: opacity 0.25s ease;
}

#modalContent {
  transform: scale(0.98) translateY(12px);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1),
              opacity 0.25s ease;
  opacity: 0;
}

#modalContent.modal-enter {
  transform: scale(1) translateY(0);
  opacity: 1;
}

/* ============================================
   헤더 스크롤 그림자
   ============================================ */
#header {
  transition: box-shadow 0.3s ease;
}

#header.scrolled {
  box-shadow: 0 1px 12px rgba(0, 0, 0, 0.08);
}

/* ============================================
   텍스트 클램프 (브라우저 호환성 폴백)
   ============================================ */
.line-clamp-1 {
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
}

.line-clamp-2 {
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

/* ============================================
   모바일 메뉴
   ============================================ */
#mobileMenu {
  transition: max-height 0.3s ease, opacity 0.3s ease;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
}

#mobileMenu.open {
  max-height: 300px;
  opacity: 1;
}

/* ============================================
   Trust Strip 숫자 강조
   ============================================ */
.trust-number {
  background: linear-gradient(135deg, #2563EB, #3B82F6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================
   버튼 공통
   ============================================ */
.btn-primary {
  background-color: #2563EB;
  color: #ffffff;
  transition: background-color 0.2s ease, transform 0.15s ease;
}

.btn-primary:hover {
  background-color: #1D4ED8;
  transform: translateY(-1px);
}

.btn-outline {
  border: 1.5px solid #EFEFEF;
  color: #111111;
  transition: border-color 0.2s ease, color 0.2s ease, transform 0.15s ease;
}

.btn-outline:hover {
  border-color: #2563EB;
  color: #2563EB;
  transform: translateY(-1px);
}

/* ============================================
   카드 썸네일 - 이미지 없을 때 배경
   ============================================ */
.card-thumbnail {
  background-color: #F8F9FA;
  background-image: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 4px,
    rgba(0,0,0,0.02) 4px,
    rgba(0,0,0,0.02) 8px
  );
}

/* ============================================
   섹션 구분선
   ============================================ */
.section-divider {
  height: 1px;
  background: linear-gradient(to right, transparent, #EFEFEF, transparent);
}

/* ============================================
   빈 상태 (검색 결과 없음)
   ============================================ */
.empty-state {
  animation: fadeInUp 0.4s ease forwards;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================
   플로팅 카드
   ============================================ */
#floatCard {
  /* 기본 숨김 상태: 아래서 올라오는 애니메이션 준비 */
  transform: translateY(16px);
  opacity: 0;
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1),
              opacity 0.3s ease;
}

#floatCard.float-visible {
  transform: translateY(0);
  opacity: 1;
}

/* 모바일: 좌우 여백 확보, 하단 고정 */
@media (max-width: 480px) {
  #floatCard {
    right: 1rem !important;
    left: 1rem !important;
    width: auto !important;
    bottom: 1rem !important;
  }
}

/* CTA 버튼 색상 (크몽 오렌지 유사) */
.float-cta-btn {
  background-color: #FF6B00;
  transition: background-color 0.2s ease, transform 0.15s ease;
}

.float-cta-btn:hover {
  background-color: #E55A00;
  transform: translateY(-1px);
}

/* 카드 그림자 강조 */
#floatCardInner {
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.14);
}

/* ============================================
   스크롤바 커스텀 (모달 내부)
   ============================================ */
#modalContent::-webkit-scrollbar {
  width: 4px;
}

#modalContent::-webkit-scrollbar-track {
  background: #F8F9FA;
}

#modalContent::-webkit-scrollbar-thumb {
  background: #EFEFEF;
  border-radius: 2px;
}

/* ============================================
   크몽 서비스 썸네일 롤링 슬라이더 (마퀴)
   ============================================ */

/* 좌우 페이드 마스크 */
.marquee-wrapper {
  -webkit-mask-image: linear-gradient(
    to right,
    transparent 0%,
    black 8%,
    black 92%,
    transparent 100%
  );
  mask-image: linear-gradient(
    to right,
    transparent 0%,
    black 8%,
    black 92%,
    transparent 100%
  );
}

/* 롤링 트랙 */
.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee-scroll 32s linear infinite;
  will-change: transform;
}

/* 호버 일시정지 */
.marquee-wrapper:hover .marquee-track {
  animation-play-state: paused;
}

/* 무한 스크롤 keyframes — 2세트이므로 -50% = 정확히 1세트 너비 */
@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* 썸네일 아이템 */
.marquee-item {
  display: block;
  width: 256px;
  height: 160px;
  flex-shrink: 0;
  margin-right: 24px;   /* gap 대신 margin-right — trailing space 포함으로 -50% 루프 정확히 맞춤 */
  border-radius: 16px;
  overflow: hidden;
  border: 1.5px solid #EFEFEF;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.marquee-item:hover {
  transform: translateY(-4px) scale(1.03);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.10);
  border-color: #2563EB;
}

/* 이미지 */
.marquee-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.marquee-item:hover .marquee-img {
  transform: scale(1.06);
}

/* 모바일 (480px 이하) */
@media (max-width: 480px) {
  .marquee-item {
    width: 180px;
    height: 112px;
    margin-right: 16px;
  }
  .marquee-track {
    animation-duration: 24s;
  }
}

/* 움직임 민감 사용자 */
@media (prefers-reduced-motion: reduce) {
  .marquee-track {
    animation-play-state: paused;
  }
}