/* ============================================================
   Studio Botong — Global Styles
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@300;400;500;700&display=swap');

:root {
  --beige:      #F5F3EF;
  --warm-gray:  #8A8A8A;
  --deep-brown: #3A2E2A;
  --white:      #FFFFFF;
  --border:     #EEEEEE;
  --radius-btn: 12px;
  --radius-card: 16px;
  --radius-img:  14px;
  --transition:  0.35s ease;
  --max-width:  1200px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'PretendardVariable', 'Pretendard', 'Noto Sans KR', -apple-system, sans-serif;
  background-color: var(--white);
  color: var(--deep-brown);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.7;
}

/* ============================================================
   CUSTOM SCROLLBAR
   ============================================================ */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--beige); }
::-webkit-scrollbar-thumb { background: #c9c4be; border-radius: 3px; }

/* ============================================================
   HEADER  (첨부 파일 .header 참고)
   - 기본: 투명
   - 스크롤 후: white 배경 + blur + 그림자
   ============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0);
  transition:
    background var(--transition),
    box-shadow var(--transition),
    backdrop-filter var(--transition);
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 1px 28px rgba(58, 46, 42, 0.08);
}

/* Hero 페이지: 헤더 글자를 흰색으로 */
.site-header.hero-mode .header-logo,
.site-header.hero-mode .nav-link {
  color: rgba(255, 255, 255, 0.92);
}
.site-header.hero-mode .header-store-btn {
  border-color: rgba(255, 255, 255, 0.55);
  color: rgba(255, 255, 255, 0.92);
}
.site-header.hero-mode .mobile-menu-icon { color: white; }

/* 스크롤 이후에는 원래 색으로 복귀 */
.site-header.hero-mode.scrolled .header-logo,
.site-header.hero-mode.scrolled .nav-link {
  color: var(--deep-brown);
}
.site-header.hero-mode.scrolled .header-store-btn {
  border-color: var(--deep-brown);
  color: var(--deep-brown);
}
.site-header.hero-mode.scrolled .mobile-menu-icon { color: var(--deep-brown); }

/* 일반 페이지(흰 배경): 처음부터 흰 배경 */
.site-header.default-mode {
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 1px 24px rgba(58, 46, 42, 0.06);
}

/* nav link hover */
.nav-link {
  position: relative;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--deep-brown);
  transition: color var(--transition);
  text-decoration: none;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0; right: 0;
  height: 1px;
  background: var(--deep-brown);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.nav-link:hover::after,
.nav-link.active::after { transform: scaleX(1); }

/* Mobile menu */
#mobile-menu { display: none; }
#mobile-menu.open { display: block; }

/* ============================================================
   FADE-IN SCROLL ANIMATION
   ============================================================ */
.fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.75s ease, transform 0.75s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(40, 30, 26, 0.55) 0%,
    rgba(40, 30, 26, 0.35) 50%,
    rgba(40, 30, 26, 0.60) 100%
  );
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: rgba(255, 255, 255, 0.5);
  animation: scrollDown 2s ease-in-out infinite;
}
@keyframes scrollDown {
  0%   { opacity: 1; transform: scaleY(1); transform-origin: top; }
  100% { opacity: 0; transform: scaleY(0); transform-origin: top; }
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn-primary {
  display: inline-block;
  padding: 14px 32px;
  background: var(--deep-brown);
  color: var(--white);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.18em;
  border-radius: var(--radius-btn);
  text-decoration: none;
  transition: background var(--transition), transform 0.2s ease;
}
.btn-primary:hover {
  background: #2a201c;
  transform: scale(1.03);
}

.btn-outline {
  display: inline-block;
  padding: 14px 32px;
  border: 1px solid var(--deep-brown);
  color: var(--deep-brown);
  font-size: 13px;
  letter-spacing: 0.18em;
  border-radius: var(--radius-btn);
  text-decoration: none;
  transition: all var(--transition);
}
.btn-outline:hover {
  background: var(--deep-brown);
  color: var(--white);
  transform: scale(1.03);
}

.btn-outline-white {
  display: inline-block;
  padding: 14px 32px;
  border: 1px solid rgba(255,255,255,0.55);
  color: var(--white);
  font-size: 13px;
  letter-spacing: 0.18em;
  border-radius: var(--radius-btn);
  text-decoration: none;
  transition: all var(--transition);
}
.btn-outline-white:hover {
  background: rgba(255,255,255,0.12);
  border-color: white;
  transform: scale(1.03);
}

.btn-white {
  display: inline-block;
  padding: 14px 32px;
  background: var(--white);
  color: var(--deep-brown);
  font-size: 13px;
  letter-spacing: 0.18em;
  border-radius: var(--radius-btn);
  text-decoration: none;
  transition: background var(--transition), transform 0.2s ease;
}
.btn-white:hover {
  background: var(--beige);
  transform: scale(1.03);
}

/* ============================================================
   PRODUCT CARD
   ============================================================ */
.product-card {
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: block;
  transition: transform var(--transition);
}
.product-card:hover { transform: translateY(-5px); }

.product-card .card-img-wrap {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-img);
  aspect-ratio: 4 / 5;
  background-color: var(--beige);
}
.product-card .card-img-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.55s ease;
}
.product-card:hover .card-img-wrap img { transform: scale(1.06); }

.product-tag {
  position: absolute;
  top: 12px; left: 12px;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.18em;
  background: var(--deep-brown);
  color: var(--white);
  padding: 4px 10px;
  border-radius: 50px;
}
.product-tag.new-tag {
  background: var(--warm-gray);
}

/* ============================================================
   MOOD CARD
   ============================================================ */
.mood-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-img);
  aspect-ratio: 4 / 5;
  background-color: #e8e4df;
  cursor: pointer;
}
.mood-card img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.55s ease;
}
.mood-card:hover img { transform: scale(1.06); }

.mood-caption {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  padding: 20px;
  background: linear-gradient(transparent 40%, rgba(40, 30, 26, 0.55) 100%);
  color: white;
  font-size: 12px;
  font-weight: 300;
  letter-spacing: 0.06em;
  opacity: 0;
  transition: opacity var(--transition);
}
.mood-card:hover .mood-caption { opacity: 1; }

/* ============================================================
   WHY CARD
   ============================================================ */
.why-card {
  padding: 36px 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  transition: box-shadow var(--transition), transform var(--transition);
  background: var(--white);
}
.why-card:hover {
  box-shadow: 0 10px 36px rgba(58, 46, 42, 0.07);
  transform: translateY(-5px);
}

/* ============================================================
   REVIEW CARD
   ============================================================ */
.review-card {
  padding: 28px 24px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  display: flex;
  flex-direction: column;
}

.star-filled { color: #C8A882; }
.star-empty  { color: #ddd; }

/* ============================================================
   SECTION LABEL
   ============================================================ */
.section-label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.28em;
  color: var(--warm-gray);
  text-transform: uppercase;
  margin-bottom: 12px;
}

/* ============================================================
   STAT ITEM
   ============================================================ */
.stat-item {
  text-align: center;
  padding: 20px;
  border-right: 1px solid rgba(58, 46, 42, 0.1);
}
.stat-item:last-child { border-right: none; }

/* ============================================================
   CATEGORY FILTER (products page)
   ============================================================ */
.filter-btn {
  padding: 8px 20px;
  border: 1px solid var(--border);
  border-radius: 50px;
  font-size: 12px;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: all var(--transition);
  background: transparent;
  color: var(--warm-gray);
}
.filter-btn:hover,
.filter-btn.active {
  background: var(--deep-brown);
  border-color: var(--deep-brown);
  color: var(--white);
}

/* ============================================================
   ABOUT PAGE
   ============================================================ */
.about-value-card {
  border-top: 1px solid var(--border);
  padding-top: 24px;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer-link {
  font-size: 12px;
  color: rgba(255,255,255,0.45);
  text-decoration: none;
  letter-spacing: 0.04em;
  transition: color var(--transition);
}
.footer-link:hover { color: rgba(255,255,255,0.85); }

/* ============================================================
   UTILITY
   ============================================================ */
.max-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section-gap { padding: 100px 0; }
.section-gap-sm { padding: 72px 0; }

/* Text helpers */
.text-brand { color: var(--deep-brown); }
.text-muted  { color: var(--warm-gray); }
.tracking-wide-kr { letter-spacing: 0.06em; }
.tracking-wider-kr { letter-spacing: 0.12em; }
.tracking-widest-kr { letter-spacing: 0.25em; }

/* Page hero (non-index) */
.page-hero {
  padding: 160px 0 80px;
  background: var(--beige);
  text-align: center;
}