/* ==========================================================================
   Heart to Kiss — Home (6 sections)
   BEM: .home-section--{name}
   Source: tasks/03-DESIGN_REFERENCE.md §4 페이지 구조
   ========================================================================== */

/* --- shared section base --- */
.home-section {
  position: relative;
  width: 100%;
}

.home-section__inner {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding: var(--space-7) var(--container-pad);
}

.home-section__eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-3);
}

.home-section__title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  margin-bottom: var(--space-5);
}

/* ==========================================================================
   Section 1 — Hero (풀스크린 비디오)
   ========================================================================== */
.home-section--hero {
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
  background-color: var(--color-bg-warm);
}

.home-section--hero .hero__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

.home-section--hero .hero__overlay {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  text-align: center;
  padding: 0 var(--container-pad);
  background: linear-gradient(180deg, rgba(255,255,255,0.05) 0%, rgba(0,0,0,0.15) 100%);
  color: #FFFFFF;
}

.home-section--hero .hero__copy {
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-5);
  text-shadow: 0 2px 16px rgba(0,0,0,0.25);
}

.home-section--hero .hero__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-width: 180px;
  padding: 16px 32px;
  background-color: #FFFFFF;
  color: #1A1A1A;
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: 999px;
  transition: transform 200ms ease-out,
              background-color 200ms ease-out,
              color 200ms ease-out;
}

@media (hover: hover) {
  .home-section--hero .hero__cta:hover {
    transform: translateY(-2px);
    background-color: #1A1A1A;
    color: #FFFFFF;
  }
}

.home-section--hero .hero__scroll-hint {
  position: absolute;
  bottom: var(--space-5);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: #FFFFFF;
  animation: bobbing 1.8s var(--ease-out-soft) infinite;
}

@keyframes bobbing {
  0%, 100% { transform: translate(-50%, 0); }
  50%      { transform: translate(-50%, 8px); }
}

/* ==========================================================================
   Section 2 — Brand Story (스크롤 인터랙션)
   ========================================================================== */
.home-section--story {
  position: relative;
  height: 200vh;          /* 스크롤 진행 영역 확보 */
  background-color: #000; /* 비디오 로딩 전 폴백 */
}

.home-section--story .story__sticky {
  position: sticky;
  top: 0;
  width: 100%;
  height: 100vh;
  overflow: hidden;
}

.home-section--story .story__video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.home-section--story .story-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #FFFFFF;
  background: linear-gradient(180deg, rgba(0,0,0,0.10) 0%, rgba(0,0,0,0.35) 100%);
}

.home-section--story .story-overlay h2 {
  font-size: clamp(1.75rem, 4vw, 3rem);
  letter-spacing: -0.01em;
  text-shadow: 0 2px 16px rgba(0,0,0,0.25);
}

/* ==========================================================================
   Section 3 — Best Sellers
   Section 4 — All Products
   (공통 그리드 사용)
   ========================================================================== */
.home-section--best,
.home-section--all {
  background-color: var(--color-bg-primary);
}

.home-section--all {
  background-color: var(--color-bg-warm);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

@media (min-width: 768px) {
  .product-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .product-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.product-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  background-color: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: var(--space-3);
  transition: transform var(--duration-ui) var(--ease-out-soft),
              box-shadow var(--duration-ui) var(--ease-out-soft);
}

@media (hover: hover) {
  .product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(26,26,26,0.08);
  }
  .product-card:hover .product-card__media {
    transform: scale(1.03);
  }
}

.product-card__media {
  aspect-ratio: 3 / 4;
  background-color: var(--color-bg-warm);
  border-radius: 8px;
  overflow: hidden;
  transition: transform var(--duration-ui) var(--ease-out-soft);
  /* 실제 상품 이미지 들어오면 background-image 교체 */
}

/* Placeholder 그라디언트 변형 — 팔레트: 민트·스카이·크림·베이지·세이지 */
.product-card__media--01 { background: linear-gradient(145deg, var(--color-mint) 0%, #E8F5EE 100%); }
.product-card__media--02 { background: linear-gradient(145deg, var(--color-sky) 0%, #EAF4FE 100%); }
.product-card__media--03 { background: linear-gradient(145deg, var(--color-cream) 0%, #FFF5D6 100%); }
.product-card__media--04 { background: linear-gradient(145deg, var(--color-bg-warm) 0%, #EEE4D8 100%); }
.product-card__media--05 { background: linear-gradient(145deg, #C5D5C5 0%, #E8F0E8 100%); }
.product-card__media--06 { background: linear-gradient(145deg, var(--color-mint) 0%, var(--color-sky) 100%); }
.product-card__media--07 { background: linear-gradient(145deg, var(--color-cream) 0%, var(--color-mint) 100%); }
.product-card__media--08 { background: linear-gradient(145deg, var(--color-sky) 0%, var(--color-bg-warm) 100%); }
.product-card__media--09 { background: linear-gradient(145deg, #C5D5C5 0%, var(--color-cream) 100%); }
.product-card__media--10 { background: linear-gradient(145deg, var(--color-bg-warm) 0%, var(--color-mint) 100%); }
.product-card__media--11 { background: linear-gradient(145deg, #E8E0D5 0%, var(--color-sky) 100%); }
.product-card__media--12 { background: linear-gradient(145deg, var(--color-cream) 0%, var(--color-bg-warm) 100%); }

/* 카테고리 라벨 */
.product-card__category {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 2px var(--space-2);
}

.product-card__title {
  font-size: 0.9rem;
  font-weight: 500;
  line-height: 1.35;
  color: var(--color-text-primary);
}

.product-card__price {
  font-family: var(--font-numeric);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
}

/* ==========================================================================
   Section 5 — Lookbook (비대칭 그리드)
   ========================================================================== */
.home-section--lookbook {
  background-color: var(--color-bg-warm);
}

.lookbook-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: 180px;
  gap: var(--space-3);
}

.lookbook-item {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  background-color: var(--color-cream);
}

.lookbook-item__media {
  width: 100%;
  height: 100%;
  background-color: var(--color-sky);
  /* TODO: lookbook 이미지로 교체 (img/lookbook/lb-XX.jpg) */
}

.lookbook-item__caption {
  position: absolute;
  left: var(--space-3);
  bottom: var(--space-3);
  padding: var(--space-1) var(--space-3);
  background-color: rgba(255,255,255,0.85);
  border-radius: 999px;
  font-size: 0.8rem;
  color: var(--color-text-primary);
}

/* 4개 비대칭 배치 */
.lookbook-item--01 { grid-column: 1 / span 4; grid-row: 1 / span 2; }
.lookbook-item--02 { grid-column: 5 / span 2; grid-row: 1 / span 1; background-color: var(--color-mint); }
.lookbook-item--03 { grid-column: 5 / span 2; grid-row: 2 / span 1; background-color: var(--color-cream); }
.lookbook-item--04 { grid-column: 1 / span 6; grid-row: 3 / span 2; }

@media (max-width: 767px) {
  .lookbook-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: 220px;
  }
  .lookbook-item--01,
  .lookbook-item--02,
  .lookbook-item--03,
  .lookbook-item--04 {
    grid-column: 1 / -1;
    grid-row: auto;
  }
}

/* ==========================================================================
   Section 5 — Style Curation (단일 큰 카드 + CTA → /lookbook/)
   Mobile-first: 1열 (이미지 위 + 텍스트 아래) → 1024px+ 2열
   ========================================================================== */
.home-section--style-curation {
  background-color: var(--color-bg-primary);
  padding-block: var(--space-7);
}

.style-curation {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  align-items: center;
}

/* 미디어 (이미지 자리) — 모바일 풀폭, 정사각형 + 살짝 가로 */
.style-curation__media {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  background-color: var(--color-bg-warm);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
  transition: transform var(--duration-ui) var(--ease-out-soft);
}

.style-curation__placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #C5D5C5 0%, var(--color-mint) 45%, var(--color-cream) 100%);
}

.style-curation__placeholder span {
  font-family: var(--font-logo);
  font-weight: 900;
  font-size: clamp(2.5rem, 10vw, 5rem);
  letter-spacing: -0.04em;
  color: rgba(26, 26, 26, 0.12);
}

/* 시리즈 넘버 레이블 */
.style-curation__series {
  font-family: var(--font-numeric);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-3);
}

/* 콘텐츠 영역 (텍스트 + CTA) */
.style-curation__content {
  width: 100%;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.style-curation__title {
  font-family: var(--font-logo);
  font-weight: 900;
  font-size: clamp(2.25rem, 6vw, 4rem);
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin-bottom: var(--space-3);
  color: var(--color-text-primary);
}

/* 타이틀 내 민트 악센트 단어 */
.style-curation__title em {
  font-style: normal;
  color: var(--color-mint);
  /* 실제 사진 들어오면 필요 없으면 제거 가능 */
}

.style-curation__desc {
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-5);
  max-width: 32rem;
}

.style-curation__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border: 1px solid var(--color-text-primary);
  color: var(--color-text-primary);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  transition: background-color var(--duration-ui) var(--ease-out-soft),
              color var(--duration-ui) var(--ease-out-soft);
  min-height: 44px;
}

.style-curation__cta::after {
  content: '→';
  display: inline-block;
  transition: transform var(--duration-ui) var(--ease-out-soft);
}

@media (hover: hover) {
  .style-curation__media:hover {
    transform: translateY(-2px);
  }
  .style-curation__cta:hover {
    background-color: var(--color-text-primary);
    color: var(--color-bg-primary);
  }
  .style-curation__cta:hover::after {
    transform: translateX(4px);
  }
}

/* 데스크탑 (1024px+) — 좌 미디어 / 우 콘텐츠 2열 */
@media (min-width: 1024px) {
  .style-curation {
    flex-direction: row;
    gap: var(--space-7);
    align-items: center;
  }

  .style-curation__media {
    flex: 1 1 50%;
    aspect-ratio: 4 / 5;
  }

  .style-curation__content {
    flex: 1 1 50%;
    text-align: left;
    align-items: flex-start;
  }

  .style-curation__desc {
    margin-bottom: var(--space-6);
  }
}

/* ==========================================================================
   Section 6 — Footer
   ========================================================================== */
.home-section--footer {
  background-color: #1A1A1A;
  color: var(--color-bg-warm);
}

.footer__inner {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
  padding-block: var(--space-7);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

@media (min-width: 768px) {
  .footer__inner {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1024px) {
  .footer__inner {
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--space-6);
  }
}

/* 브랜드 워드마크 — 큼직하게 */
.footer__brand {
  font-family: var(--font-logo);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: var(--space-4);
  color: var(--color-bg-primary);
}

/* 사업자 정보 */
.footer__meta {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.45);
  line-height: 1.7;
}

/* 결제 / 배송 정보 라인 */
.footer__payment {
  margin-top: var(--space-3);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: rgba(255, 255, 255, 0.3);
}

.footer__heading {
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-mint);
  margin-bottom: var(--space-3);
}

.footer__list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer__list li {
  font-size: 0.88rem;
  margin-bottom: var(--space-2);
  color: rgba(255, 255, 255, 0.65);
}

.footer__list a {
  color: rgba(255, 255, 255, 0.65);
  transition: color var(--duration-ui) var(--ease-out-soft);
}

@media (hover: hover) {
  .footer__list a:hover {
    color: var(--color-bg-primary);
  }
}

/* 뉴스레터 영역 */
.footer__newsletter-label {
  display: block;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-mint);
  margin-bottom: var(--space-2);
}

.footer__newsletter-desc {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.55;
  margin-bottom: var(--space-3);
}

.footer__newsletter-form {
  display: flex;
  gap: var(--space-2);
}

.footer__newsletter-input {
  flex: 1;
  min-width: 0;
  padding: var(--space-2) var(--space-3);
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 4px;
  color: var(--color-bg-primary);
  font-size: 1rem;
  min-height: 44px;
  transition: border-color var(--duration-ui) var(--ease-out-soft);
}

.footer__newsletter-input::placeholder {
  color: rgba(255, 255, 255, 0.3);
}

.footer__newsletter-input:focus {
  outline: none;
  border-color: var(--color-mint);
}

.footer__newsletter-btn {
  padding: var(--space-2) var(--space-3);
  background: var(--color-mint);
  color: var(--color-text-primary);
  border: none;
  border-radius: 4px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  cursor: pointer;
  min-height: 44px;
  white-space: nowrap;
  transition: background-color var(--duration-ui) var(--ease-out-soft);
}

@media (hover: hover) {
  .footer__newsletter-btn:hover {
    background-color: #94DCC0;
  }
}

/* 카피라이트 바 */
.footer__copyright {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
  padding-block: var(--space-4);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.28);
  letter-spacing: 0.04em;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: space-between;
  align-items: center;
}