/* ============================================================
   치른시빌 — style.css
   폰트: Climate Crisis KR 1979(한글 헤드라인) / Telma Black(영문 헤드라인) / Pretendard(본문)
   컬러: #FDD000(옐로우) + #0f0f0f(블랙)
   ============================================================ */

@font-face {
  font-family: 'ClimateCrisisKR';
  src: url('../fonts/ClimateCrisisKR-1979.ttf') format('truetype'),
       url('../fonts/ClimateCrisisKR-1979.otf') format('opentype');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Telma';
  src: url('../fonts/Telma-Black.woff2') format('woff2'),
       url('../fonts/Telma-Black.woff') format('woff');
  font-weight: 900;
  font-style: normal;
  font-display: swap;
}

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Colors — 치른시빌 브랜드: #FDD000(옐로우) + 블랙 */
  --color-bg:       #ffffff;
  --color-dark:     #0f0f0f;
  --color-gray:     #f4f4f2;
  --color-mid-gray: #888;
  --color-accent:   #FDD000;   /* 치른시빌 브랜드 옐로우 */
  --color-accent-dim: rgba(253,208,0,0.15);
  --color-white:    #ffffff;

  /* Typography */
  --font-hero:  'ClimateCrisisKR', 'Black Han Sans', sans-serif; /* 한글 헤드라인 */
  --font-en:    'Telma', 'Black Han Sans', sans-serif;            /* 영문 헤드라인 */
  --font-main:  'Pretendard', -apple-system, BlinkMacSystemFont, sans-serif; /* 본문 전체 */
  --fs-xs:   0.75rem;   /* 12px */
  --fs-sm:   0.875rem;  /* 14px */
  --fs-base: 1rem;      /* 16px */
  --fs-md:   1.125rem;  /* 18px */
  --fs-lg:   1.5rem;    /* 24px */
  --fs-xl:   2rem;      /* 32px */
  --fs-2xl:  2.75rem;   /* 44px */
  --fs-3xl:  4rem;      /* 64px */
  --fs-hero: clamp(2.5rem, 7vw, 5.5rem);

  /* Spacing */
  --section-py: clamp(5rem, 10vw, 9rem);
  --container:  1280px;
  --gutter:     clamp(1.5rem, 5vw, 4rem);

  /* Transition */
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --dur:  0.35s;

  /* Layout */
  --header-h: 72px;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--font-main);
  background: var(--color-bg);
  color: var(--color-dark);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  max-width: 100vw;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ---- Utility ---- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: var(--section-py); }
.section--dark  { background: var(--color-dark); color: var(--color-white); }
.section--gray  { background: var(--color-gray); }

.section-label {
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-dark);
  margin-bottom: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.section-label::before {
  content: '';
  display: inline-block;
  width: 20px; height: 3px;
  background: var(--color-accent);
  border-radius: 2px;
}
.section-label--light { color: var(--color-white); }

.section-header {
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section-title {
  font-size: clamp(var(--fs-xl), 4vw, var(--fs-2xl));
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: 0.03em;
}
.section-title--light { color: var(--color-white); }

.section-sub {
  margin-top: 1rem;
  font-size: var(--fs-sm);
  color: var(--color-mid-gray);
  line-height: 1.8;
}
.section-sub--light { color: rgba(255,255,255,0.55); }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  border-radius: 2px;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.btn--outline {
  border: 1.5px solid var(--color-white);
  color: var(--color-white);
}
.btn--outline:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-dark);
}
.btn--outline-dark {
  border: 1.5px solid var(--color-dark);
  color: var(--color-dark);
}
.btn--outline-dark:hover {
  background: var(--color-dark);
  border-color: var(--color-dark);
  color: var(--color-accent);
}

.btn--white {
  background: var(--color-white);
  color: var(--color-dark);
}
.btn--white:hover {
  background: var(--color-accent);
  color: var(--color-dark);
}

.btn--yellow {
  background: var(--color-accent);
  color: var(--color-dark);
  font-weight: 700;
}
.btn--yellow:hover {
  background: #e6be00;
}

.btn--dark {
  background: var(--color-dark);
  color: var(--color-white);
}
.btn--dark:hover {
  background: var(--color-accent);
  color: var(--color-dark);
}

/* ---- Placeholders (이미지 대체용) ---- */
.img-placeholder {
  width: 100%;
  background: #e8e8e4;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-xs);
  color: var(--color-mid-gray);
  font-weight: 500;
  letter-spacing: 0.05em;
  text-align: center;
  border-radius: 2px;
  aspect-ratio: 4/3;
}
.img-placeholder--tall   { aspect-ratio: 3/4; }
.img-placeholder--wide   { aspect-ratio: 16/9; }
.img-placeholder--square { aspect-ratio: 1/1; }
.img-placeholder--map    { aspect-ratio: 16/9; min-height: 360px; }

/* ---- 지도 카드 ---- */
.map-card {
  display: block;
  text-decoration: none;
  border-radius: 8px;
  overflow: hidden;
  border: 1.5px solid var(--color-border);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}
.map-card:hover {
  box-shadow: 0 8px 32px rgba(0,0,0,0.12);
  transform: translateY(-2px);
}

.map-card__visual {
  position: relative;
  aspect-ratio: 16/9;
  min-height: 260px;
  background-color: #e8ede0;
  overflow: hidden;
}

/* 격자 패턴으로 지도 느낌 */
.map-card__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.6) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.6) 1px, transparent 1px),
    linear-gradient(rgba(0,0,0,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,0.04) 1px, transparent 1px);
  background-size: 60px 60px, 60px 60px, 12px 12px, 12px 12px;
}
/* 도로 느낌 수평선 */
.map-card__grid::before {
  content: '';
  position: absolute;
  left: 0; right: 0;
  top: 48%; height: 18px;
  background: rgba(255,255,255,0.85);
  border-top: 1px solid rgba(0,0,0,0.06);
  border-bottom: 1px solid rgba(0,0,0,0.06);
}
.map-card__grid::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  left: 42%; width: 14px;
  background: rgba(255,255,255,0.85);
  border-left: 1px solid rgba(0,0,0,0.06);
  border-right: 1px solid rgba(0,0,0,0.06);
}

.map-card__pin {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -100%);
  filter: drop-shadow(0 3px 6px rgba(0,0,0,0.25));
  transition: transform 0.3s ease;
}
.map-card:hover .map-card__pin {
  transform: translate(-50%, -110%);
}

.map-card__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  font-weight: 700;
  color: transparent;
  transition: background 0.3s ease, color 0.3s ease;
}
.map-card:hover .map-card__overlay {
  background: rgba(0,0,0,0.35);
  color: #fff;
}

.map-card__info {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 1.1rem;
  font-size: 0.85rem;
  color: #444;
  background: #fff;
  font-weight: 500;
}

/* ============================================================
   HEADER
   ============================================================ */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.25rem 0;
  transition: background var(--dur) var(--ease), backdrop-filter var(--dur) var(--ease);
}
.header.scrolled {
  background: rgba(250,250,248,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0,0,0,0.07);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.header__logo { display: flex; align-items: center; }

.header__logo-img {
  height: 52px;
  width: auto;
  /* 히어로 위(다크 배경): 로고를 흰색으로 표시 */
  filter: brightness(0) invert(1);
  transition: filter var(--dur) var(--ease);
}
/* 스크롤 후(밝은 배경): 검은 로고 원본 */
.header.scrolled .header__logo-img {
  filter: none;
}

/* 푸터용 로고 텍스트 (레거시 유지) */
.logo-text {
  font-size: 1.1rem;
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--color-white);
}
.logo-text em {
  font-style: normal;
  font-weight: 400;
  font-size: 0.65em;
  display: block;
}
.logo-text--footer { color: var(--color-white); }

.header__nav {
  display: flex;
  gap: 2rem;
}
.header__nav a {
  font-size: var(--fs-base);
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  letter-spacing: 0.02em;
  transition: color var(--dur) var(--ease);
  position: relative;
}
.header__nav a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 2px;
  background: var(--color-accent);
  transition: width var(--dur) var(--ease);
}
.header__nav a:hover::after { width: 100%; }
.header__nav a:hover { color: var(--color-white); }

.header.scrolled .header__nav a { color: var(--color-dark); }
.header.scrolled .header__nav a:hover { color: var(--color-dark); }

/* ---- 드롭다운 ---- */
.header__nav-dropdown {
  position: relative;
  display: flex;
  align-items: center;
}
.header__nav-dropdown > .dropdown-trigger {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  cursor: pointer;
  font-size: var(--fs-base);
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  letter-spacing: 0.02em;
  transition: color var(--dur) var(--ease);
  position: relative;
  white-space: nowrap;
}
.header__nav-dropdown > .dropdown-trigger::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 2px;
  background: var(--color-accent);
  transition: width var(--dur) var(--ease);
}
.header__nav-dropdown:hover > .dropdown-trigger::after { width: 100%; }
.header__nav-dropdown:hover > .dropdown-trigger { color: var(--color-white); }
.header.scrolled .header__nav-dropdown > .dropdown-trigger { color: var(--color-dark); }

.dropdown-arrow {
  display: block;
  flex-shrink: 0;
  opacity: 0.85;
  transition: transform 0.2s ease;
}
.header__nav-dropdown:hover .dropdown-arrow { transform: rotate(180deg); }

.dropdown-menu {
  position: absolute;
  top: calc(100% + 14px);
  left: 50%;
  transform: translateX(-50%) translateY(-6px);
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.12);
  padding: 0.5rem;
  min-width: 130px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 500;
}
/* 트리거와 메뉴 사이 갭을 투명하게 덮어 hover 연속성 유지 */
.header__nav-dropdown::before {
  content: '';
  position: absolute;
  top: 100%;
  left: -20px;
  right: -20px;
  height: 20px;
}
.header__nav-dropdown:hover .dropdown-menu {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.dropdown-menu a {
  display: block;
  padding: 0.55rem 0.9rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-dark) !important;
  border-radius: 6px;
  white-space: nowrap;
  transition: background 0.15s ease, color 0.15s ease;
}
.dropdown-menu a::after { display: none !important; }
.dropdown-menu a:hover {
  background: var(--color-accent);
  color: var(--color-dark) !important;
}

.header__menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.header__menu-btn span {
  display: block;
  width: 24px; height: 2px;
  background: var(--color-white);
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
  border-radius: 1px;
}
.header.scrolled .header__menu-btn span { background: var(--color-dark); }

/* ---- Mobile Nav ---- */
.mobile-nav {
  position: fixed;
  inset: 0;
  background: var(--color-dark);
  z-index: 99;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur) var(--ease);
}
.mobile-nav.open {
  opacity: 1;
  pointer-events: all;
}
.mobile-nav nav {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  text-align: center;
}
.mobile-nav__link {
  font-size: var(--fs-xl);
  font-weight: 800;
  color: var(--color-white);
  letter-spacing: -0.02em;
  transition: color var(--dur) var(--ease);
}
.mobile-nav__link:hover { color: var(--color-accent); }
.mobile-nav__group-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  margin-top: 1rem;
  margin-bottom: 0.25rem;
}
.mobile-nav__sub {
  font-size: var(--fs-lg);
  padding-left: 1rem;
  font-weight: 700;
  color: rgba(255,255,255,0.75);
}
.mobile-nav__sub:hover { color: var(--color-accent); }

/* ============================================================
   공통 페이지 히어로 — .page-hero
   모든 서비스/소개 페이지 최상단 배너. 헤더 높이(--header-h)만큼 상단 여백 확보.
   ============================================================ */
.page-hero {
  background: var(--color-dark);
  padding: calc(var(--header-h) + 4rem) 0 5rem;
  min-height: 320px;
}
.page-hero > .container {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.page-hero__label {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
}
.page-hero__title {
  font-family: var(--font-hero);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: normal;
  color: var(--color-white);
  line-height: 1.2;
  letter-spacing: 0.04em;
}
.page-hero__sub {
  font-size: 1rem;
  color: rgba(255,255,255,0.5);
  margin-top: 0.25rem;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  height: 100svh;
  min-height: 600px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
}
.hero__bg-placeholder {
  width: 100%; height: 100%;
  background: linear-gradient(145deg, #0f0f0f 0%, #1a1a0a 60%, #2a2200 100%);
}
.hero__bg img,
.hero__bg .hero__video {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center;
}
.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to bottom, rgba(0,0,0,0.55) 0%, transparent 35%),
    linear-gradient(to top,    rgba(0,0,0,0.75) 0%, transparent 55%);
}

.hero__content {
  position: relative;
  z-index: 1;
  padding: var(--gutter);
  padding-bottom: clamp(4rem, 8vw, 7rem);
  max-width: var(--container);
  width: 100%;
  margin-inline: auto;
}

.hero__eyebrow {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}

.hero__title {
  font-family: var(--font-hero);
  font-size: var(--fs-hero);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: 0.04em;
  color: var(--color-white);
  margin-bottom: 2.5rem;
}

.hero__scroll-hint {
  position: absolute;
  bottom: 2rem;
  right: var(--gutter);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  z-index: 1;
}
.hero__scroll-hint span {
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  writing-mode: vertical-rl;
}
.hero__scroll-line {
  width: 1px; height: 60px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.5), transparent);
  animation: scrollLine 1.8s ease-in-out infinite;
}
@keyframes scrollLine {
  0%   { transform: scaleY(0); transform-origin: top; }
  50%  { transform: scaleY(1); transform-origin: top; }
  51%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ============================================================
   ABOUT
   ============================================================ */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 6vw, 6rem);
  align-items: center;
}

.about__img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: 2px;
}

.about__text .section-label { display: block; }

.about__title {
  font-size: clamp(var(--fs-xl), 4vw, var(--fs-2xl));
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.about__body {
  font-size: var(--fs-base);
  color: #444;
  line-height: 1.9;
  margin-bottom: 2.5rem;
}

.about__stats {
  display: flex;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid rgba(0,0,0,0.1);
}
.stat__num {
  display: inline-block;
  font-size: var(--fs-lg);
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--color-accent);
  background: var(--color-dark);
  padding: 0.1em 0.4em;
}
.stat__label {
  display: block;
  font-size: 0.68rem;
  color: var(--color-mid-gray);
  margin-top: 0.05rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.section--dark .about__title  { color: var(--color-white); }
.section--dark .about__body   { color: rgba(255,255,255,0.65); }
.section--dark .about__stats  { border-top-color: rgba(255,255,255,0.15); }
.section--dark .stat__num     { background: none; padding: 0; color: var(--color-accent); font-size: clamp(var(--fs-xl), 3.5vw, var(--fs-2xl)); display: block; line-height: 1; }
.section--dark .stat__label   { color: rgba(255,255,255,0.5); }

/* ============================================================
   CLASSES
   ============================================================ */
.classes__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5px;
  background: rgba(255,255,255,0.08);
  margin-bottom: 4rem;
}

.class-card {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  display: block;
  background: var(--color-dark);
}

.class-card__img {
  overflow: hidden;
  aspect-ratio: 3/4;
  position: relative;
}
.class-card__img img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.55s var(--ease);
}
.class-card:hover .class-card__img img {
  transform: scale(1.06);
}

/* 어두운 오버레이 */
.class-card__img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0);
  transition: background 0.35s var(--ease);
}
.class-card:hover .class-card__img::after {
  background: rgba(0,0,0,0.52);
}

/* 텍스트 오버레이 */
.class-card__info {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 1.5rem;
  z-index: 2;
  text-align: center;
  background: linear-gradient(to top, rgba(0,0,0,0.75) 0%, rgba(0,0,0,0.15) 55%, transparent 100%);
}
.class-card__info h3 {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-white);
  letter-spacing: -0.01em;
}
/* p와 more는 max-height:0으로 공간을 차지하지 않게 해서 h3 위치 고정 */
.class-card__info p {
  font-size: var(--fs-sm);
  color: rgba(255,255,255,0.75);
  line-height: 1.6;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  margin-top: 0;
  transition: max-height 0.35s var(--ease), opacity 0.3s var(--ease), margin-top 0.3s var(--ease);
}
.class-card__more {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.04em;
  margin-top: 0.75rem;
}
.class-card:hover .class-card__info p {
  max-height: 80px;
  opacity: 1;
  margin-top: 0.5rem;
}

.class-card__price {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-top: 0.5rem;
}
.classes__cta { text-align: center; }

.btn--outline-light {
  display: inline-block;
  padding: 0.65rem 1.6rem;
  border: 1.5px solid rgba(255,255,255,0.4);
  border-radius: 999px;
  color: rgba(255,255,255,0.85);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.btn--outline-light:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* ============================================================
   SERVICES
   ============================================================ */
.services__list {
  display: flex;
  flex-direction: column;
  gap: clamp(4rem, 8vw, 7rem);
}

.service-item {
  display: grid;
  grid-template-columns: auto 1fr 1.2fr;
  gap: 2rem 3rem;
  align-items: center;
  padding: 2.5rem 2rem;
  border-radius: 4px;
}

.service-item--reverse {
  grid-template-columns: auto 1.2fr 1fr;
}
.service-item--reverse .service-item__img { order: -1; }
.service-item--reverse .service-item__num { order: -2; }

.service-item__num {
  font-size: var(--fs-3xl);
  font-weight: 900;
  color: rgba(0,0,0,0.07);
  letter-spacing: -0.05em;
  line-height: 1;
  white-space: nowrap;
  transition: color 0.5s ease, transform 0.5s ease;
}
.service-item:hover .service-item__num {
  color: var(--color-accent);
  transform: scale(1.15);
}
.service-item__content {
  transition: transform 0.5s ease;
}
.service-item:hover .service-item__content {
  transform: scale(1.03);
}
.service-item__img {
  transition: transform 0.5s ease;
}
.service-item:hover .service-item__img {
  transform: scale(1.03);
}

.service-item__content h3 {
  font-size: var(--fs-xl);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  transition: color 0.6s ease;
}

.service-item__content p {
  font-size: var(--fs-base);
  color: #555;
  line-height: 1.85;
  max-width: 420px;
  transition: color 0.6s ease;
}

.service-img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  border-radius: 2px;
  display: block;
}

/* ============================================================
   ACTIVITY
   ============================================================ */
.activity__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.activity-img {
  width: 100%;
  aspect-ratio: 1/1;
  object-fit: cover;
  border-radius: 2px;
  display: block;
}

.activity-item__year {
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin-top: 1rem;
}
.activity-item__desc {
  font-size: var(--fs-sm);
  color: var(--color-dark);
  font-weight: 500;
  margin-top: 0.25rem;
}

/* ============================================================
   MOU
   ============================================================ */
.mou__group {
  margin-bottom: 3.5rem;
}
.mou__group:last-child { margin-bottom: 0; }

.mou__group-title {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #999;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1.5px solid var(--color-border);
}

.mou__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.mou-card {
  background: #fff;
  border: 1.5px solid var(--color-border);
  border-radius: 8px;
  aspect-ratio: 5/2;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.2rem;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
  overflow: hidden;
}
.mou-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 4px 16px rgba(0,0,0,0.07);
}
.mou-card img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}
/* 로고 이미지 없을 때 텍스트 표시 */
.mou-card span {
  font-size: 0.9rem;
  font-weight: 700;
  color: #444;
  text-align: center;
  line-height: 1.4;
}

@media (max-width: 768px) {
  .mou__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .mou__grid { grid-template-columns: 1fr; }
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: clamp(3rem, 6vw, 6rem);
  align-items: start;
}

.contact__title {
  font-size: clamp(var(--fs-xl), 3.5vw, var(--fs-2xl));
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 2.5rem;
}

.contact__details {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.contact__row {
  display: flex;
  gap: 1.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid rgba(0,0,0,0.07);
  align-items: baseline;
}
.contact__key {
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-mid-gray);
  min-width: 52px;
}
.contact__val {
  font-size: var(--fs-base);
  font-weight: 500;
  line-height: 1.6;
}
.contact__val em {
  font-style: normal;
  font-size: var(--fs-sm);
  color: var(--color-mid-gray);
}
a.contact__val:hover { color: var(--color-accent); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--color-dark);
  color: var(--color-white);
  padding-block: 4rem 2.5rem;
}

.footer__top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 2rem;
  gap: 2rem;
}

.footer__brand p {
  font-size: var(--fs-sm);
  color: rgba(255,255,255,0.45);
  margin-top: 0.75rem;
  max-width: 280px;
  line-height: 1.7;
}

.footer__logo-img {
  /* 검은 로고 → 흰색으로 반전 */
  filter: brightness(0) invert(1);
  height: 32px;
  width: auto;
}

.footer__links {
  display: flex;
  gap: 1.75rem;
  flex-wrap: wrap;
}
.footer__links a {
  font-size: var(--fs-sm);
  color: rgba(255,255,255,0.55);
  font-weight: 500;
  transition: color var(--dur);
}
.footer__links a:hover { color: var(--color-white); }

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer__legal {
  font-size: var(--fs-xs);
  color: rgba(255,255,255,0.3);
  line-height: 1.9;
}
.footer__legal strong { color: rgba(255,255,255,0.55); font-weight: 700; }
.footer__disclaimer {
  display: inline-block;
  margin-top: 0.4rem;
  color: rgba(255,255,255,0.2);
}

.footer__copy {
  font-size: var(--fs-xs);
  color: rgba(255,255,255,0.3);
  white-space: nowrap;
}

/* ============================================================
   RESPONSIVE — TABLET (≤ 1024px)
   ============================================================ */
@media (max-width: 1024px) {
  .about__grid { grid-template-columns: 1fr; }
  .about__image { order: -1; }
  .about__image .img-placeholder--tall { aspect-ratio: 16/7; }

  .classes__grid { grid-template-columns: repeat(2, 1fr); }

  .service-item,
  .service-item--reverse {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }
  .service-item__num { font-size: var(--fs-2xl); }
  .service-item--reverse .service-item__img { order: unset; }
  .service-item--reverse .service-item__num { order: unset; }

  .activity__grid { grid-template-columns: repeat(2, 1fr); }

  .contact__grid { grid-template-columns: 1fr; }
}

/* ============================================================
   RESPONSIVE — MOBILE (≤ 768px)
   ============================================================ */
@media (max-width: 768px) {
  :root { --section-py: 4rem; }

  .header__nav { display: none; }
  .header__menu-btn {
    display: flex;
    min-width: 44px;
    min-height: 44px;
    padding: 10px;
    justify-content: center;
    align-items: center;
    background: rgba(255,255,255,0.18);
    border-radius: 8px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
  }
  .header.scrolled .header__menu-btn {
    background: rgba(0,0,0,0.07);
  }

  .header__logo-img { height: 44px; }

  .classes__grid { grid-template-columns: 1fr; }

  .activity__grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }

  .about__stats { gap: 1.5rem; flex-wrap: wrap; }

  .footer__top { flex-direction: column; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
}

/* ============================================================
   FLOATING MENU
   ============================================================ */
.float-menu {
  position: fixed;
  right: 2.5rem;
  bottom: 50%;
  transform: translateY(50%);
  z-index: 300;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.75rem;
}

.float-btn {
  display: flex;
  flex-direction: row-reverse;
  align-items: center;
  background: var(--color-dark);
  color: var(--color-white);
  text-decoration: none;
  border: none;
  cursor: pointer;
  padding: 0.85rem;
  border-radius: 100px;
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  box-shadow: 0 4px 20px rgba(0,0,0,0.22);
  transition: background 0.25s ease, box-shadow 0.25s ease, padding 0.3s ease;
  letter-spacing: 0.01em;
  overflow: hidden;
}
.float-btn svg { flex-shrink: 0; width: 22px; height: 22px; }
.float-btn span {
  max-width: 0;
  overflow: hidden;
  opacity: 0;
  padding-right: 0;
  transition: max-width 0.35s ease, opacity 0.25s ease, padding-right 0.35s ease;
}
.float-btn:hover {
  background: #222;
  padding: 0.85rem 0.85rem 0.85rem 1.3rem;
  box-shadow: 0 8px 24px rgba(0,0,0,0.28);
}
.float-btn:hover span {
  max-width: 200px;
  opacity: 1;
  padding-right: 0.7rem;
}

.float-btn--primary {
  background: var(--color-accent);
  color: var(--color-dark);
}
.float-btn--primary:hover {
  background: #e6be00;
}

/* ---- 문의 팝업 ---- */
.float-contact { position: relative; }

.float-contact__popup {
  position: absolute;
  right: calc(100% + 14px);
  top: 50%;
  transform: translateY(-50%) translateX(6px);
  background: #fff;
  border-radius: 14px;
  box-shadow: 0 8px 36px rgba(0,0,0,0.18);
  padding: 6px;
  width: 210px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease);
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.float-contact__popup.is-open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(-50%) translateX(0);
}

.contact-popup__item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 10px;
  text-decoration: none;
  color: #111;
  transition: background 0.15s;
}
.contact-popup__item:hover { background: #f5f5f3; }

.contact-popup__icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-popup__icon--phone { background: #111; color: #fff; }
.contact-popup__icon--kakao { background: #FEE500; color: #3C1E1E; }
.contact-popup__icon--naver { background: #03C75A; color: #fff; }

.contact-popup__label {
  font-size: 0.88rem;
  font-weight: 700;
  display: block;
  line-height: 1.2;
}
.contact-popup__sub {
  font-size: 0.73rem;
  color: #999;
  display: block;
  margin-top: 2px;
}

/* ---- 소셜 플로팅 바 ---- */
.float-social {
  position: fixed;
  bottom: 3.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 200;
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(15,15,15,0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-radius: 100px;
  padding: 8px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.22);
}

.float-social__btn {
  width: 56px;
  height: 56px;
  border-radius: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.75);
  text-decoration: none;
  transition: background 0.2s, color 0.2s, transform 0.2s;
}
.float-social__btn svg { width: 26px; height: 26px; }
.float-social__btn:hover {
  background: rgba(255,255,255,0.12);
  color: #fff;
  transform: translateY(-3px);
}
.float-social__btn--insta:hover { color: #E1306C; }
.float-social__btn--blog:hover  { color: #03C75A; }
.float-social__btn--youtube:hover { color: #FF0000; }

/* ============================================================
   RESPONSIVE — SMALL MOBILE (≤ 480px)
   ============================================================ */
@media (max-width: 480px) {
  /* ---- 플로팅 메뉴: 하단 중앙 독(dock) ---- */
  .float-menu {
    flex-direction: row;
    right: auto;
    left: 50%;
    bottom: calc(1rem + env(safe-area-inset-bottom, 0px));
    top: auto;
    transform: translateX(-50%);
    gap: 0.35rem;
    /* 화면 너비 넘치지 않도록 */
    max-width: calc(100vw - 2rem);
  }
  .float-btn {
    padding: 0.6rem 0.85rem;
    font-size: 0.76rem;
    gap: 0.5rem;
    white-space: nowrap;
  }
  .float-btn svg { width: 16px; height: 16px; }
  .float-btn span { display: none; }

  /* 문의 팝업: 모바일에서는 위쪽으로 열림 + 소셜 바 위에 표시 */
  .float-contact__popup {
    right: auto;
    left: 50%;
    transform: translateX(-50%) translateY(6px);
    top: auto;
    bottom: calc(100% + 10px);
    width: 200px;
    z-index: 300;
  }
  .float-contact__popup.is-open {
    transform: translateX(-50%) translateY(0);
  }

  /* 소셜 바: 플로팅 메뉴 위로 */
  .float-social {
    bottom: calc(5rem + env(safe-area-inset-bottom, 0px));
  }

  /* 히어로: 하단 플로팅 바 가리지 않도록 여백 */
  .hero__content {
    padding-bottom: clamp(8rem, 18vw, 11rem);
  }

  /* 헤더 로고 살짝 축소 */
  .header__logo-img { height: 38px; }

  /* 섹션 패딩 축소 */
  :root { --section-py: 3rem; }

  .activity__grid { grid-template-columns: 1fr; }
  .classes__cta { text-align: left; }

  /* 푸터 */
  .footer__links { gap: 1rem; }
}

/* ============================================================
   RESPONSIVE — FOLD / VERY NARROW (≤ 390px)
   ============================================================ */
@media (max-width: 390px) {
  .float-btn {
    padding: 0.7rem;
    border-radius: 50px;
  }
  .float-btn svg { width: 18px; height: 18px; }

  .hero__title { font-size: clamp(2rem, 10vw, 2.5rem); }

  .about__stats { flex-direction: column; gap: 1rem; }

  .mou__grid { grid-template-columns: repeat(2, 1fr) !important; }
}

/* ============================================================
   FAQ
   ============================================================ */
.faq__list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1.5px solid #e0e0da;
}

.faq__item {
  border-bottom: 1.5px solid #e0e0da;
}

.faq__q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.4rem 0;
  background: none;
  border: none;
  font-family: var(--font-main);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-dark);
  cursor: pointer;
  text-align: left;
  transition: color 0.2s;
}
.faq__q:hover { color: var(--color-accent); }
.faq__q[aria-expanded="true"] { color: var(--color-accent); }

.faq__icon {
  flex-shrink: 0;
  transition: transform 0.3s var(--ease);
  color: var(--color-mid-gray);
}
.faq__q[aria-expanded="true"] .faq__icon {
  transform: rotate(180deg);
  color: var(--color-accent);
}

.faq__a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.3s ease;
}
.faq__a.is-open {
  max-height: 200px;
  padding-bottom: 1.25rem;
}
.faq__a p {
  font-size: 0.95rem;
  line-height: 1.8;
  color: #555;
}
.faq__link {
  color: var(--color-dark);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.faq__link:hover { color: var(--color-accent); }

/* ============================================================
   SECTION NAV (우측 스크롤 인디케이터)
   ============================================================ */
.section-nav {
  position: fixed;
  left: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 150;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
/* 점들을 잇는 세로선 */
.section-nav::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 22px;
  bottom: 22px;
  width: 2px;
  background: linear-gradient(to bottom, transparent, rgba(150,150,150,0.35) 10%, rgba(150,150,150,0.35) 90%, transparent);
}
.section-nav__item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 0;
  text-decoration: none;
  cursor: pointer;
  position: relative;
}
.section-nav__label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--color-dark);
  white-space: nowrap;
  background: rgba(255,255,255,0.88);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.12);
  /* 기본: 숨김 */
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  pointer-events: none;
}
.section-nav__dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: rgba(180,180,180,0.7);
  border: 2px solid rgba(100,100,100,0.2);
  flex-shrink: 0;
  position: relative;
  z-index: 1;
  transition: all 0.25s ease;
  box-shadow: 0 0 0 3px rgba(255,255,255,0.65);
}
/* 활성 섹션: 점 강조 + 레이블 표시 */
.section-nav__item.active .section-nav__dot {
  background: var(--color-accent);
  border-color: var(--color-dark);
  transform: scale(1.5);
  box-shadow: 0 0 0 3px rgba(255,255,255,0.9), 0 0 8px rgba(253,208,0,0.5);
}
.section-nav__item.active .section-nav__label {
  opacity: 1;
  transform: translateX(0);
  font-weight: 800;
}
/* 호버: 레이블 표시 */
.section-nav__item:hover .section-nav__dot {
  background: var(--color-accent);
  border-color: var(--color-dark);
  transform: scale(1.25);
}
.section-nav__item:hover .section-nav__label {
  opacity: 1;
  transform: translateX(0);
}
@media (max-width: 768px) {
  .section-nav { display: none; }
}

/* ---- 서비스 B2B CTA 링크 ---- */
.service-item__cta {
  display: inline-block;
  margin-top: 1.1rem;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-accent);
  text-decoration: none;
  letter-spacing: 0.01em;
  transition: opacity 0.2s;
}
.service-item__cta:hover { opacity: 0.75; }

/* ============================================================
   CART — 장바구니 사이드바
   ============================================================ */

/* 헤더 카트 버튼 */
.cart-btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: none;
  background: transparent;
  cursor: pointer;
  color: var(--color-white);
  transition: opacity 0.2s;
}
.cart-btn:hover { opacity: 0.7; }
.header.scrolled .cart-btn { color: var(--color-dark); }
.cart-badge {
  position: absolute;
  top: 2px;
  right: 2px;
  min-width: 16px;
  height: 16px;
  padding: 0 3px;
  border-radius: 100px;
  background: var(--color-accent);
  color: var(--color-dark);
  font-size: 0.65rem;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

/* 오버레이 */
.cart-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 800;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.28s ease;
}
.cart-overlay.open { opacity: 1; pointer-events: auto; }

/* 사이드바 */
.cart-sidebar {
  position: fixed;
  top: 0;
  right: 0;
  width: min(380px, 96vw);
  height: 100dvh;
  background: #fff;
  z-index: 900;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: -8px 0 40px rgba(0,0,0,0.12);
}
.cart-sidebar.open { transform: translateX(0); }

.cart-sidebar__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1.5px solid #f0f0ec;
  flex-shrink: 0;
}
.cart-sidebar__title {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--color-dark);
}
.cart-sidebar__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  cursor: pointer;
  color: #999;
  border-radius: 8px;
  transition: background 0.15s, color 0.15s;
}
.cart-sidebar__close:hover { background: #f5f5f5; color: var(--color-dark); }

.cart-sidebar__body {
  flex: 1;
  overflow-y: auto;
  padding: 1rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.cart-empty {
  text-align: center;
  color: #aaa;
  font-size: 0.9rem;
  margin-top: 3rem;
}

/* 카트 아이템 */
.cart-item {
  border: 1.5px solid #ebebeb;
  border-radius: 12px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  transition: border-color 0.2s;
}
.cart-item:hover { border-color: var(--color-accent); }
.cart-item__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.cart-item__type {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #fff;
  background: var(--color-dark);
  padding: 0.2rem 0.55rem;
  border-radius: 100px;
}
.cart-item__del {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border: none;
  background: transparent;
  cursor: pointer;
  color: #bbb;
  border-radius: 6px;
  transition: background 0.15s, color 0.15s;
}
.cart-item__del:hover { background: #fee; color: #c00; }
.cart-item__name {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-dark);
  line-height: 1.4;
}
.cart-item__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}
.cart-item__price {
  font-size: 0.85rem;
  color: #777;
}
.cart-item__subtotal {
  font-size: 0.78rem;
  color: #aaa;
  text-align: right;
}

/* 수량 조절 */
.cart-qty {
  display: flex;
  align-items: center;
  gap: 0;
  border: 1.5px solid #e0e0e0;
  border-radius: 8px;
  overflow: hidden;
}
.cart-qty__btn {
  width: 30px;
  height: 30px;
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 1rem;
  color: var(--color-dark);
  transition: background 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.cart-qty__btn:hover { background: var(--color-accent); }
.cart-qty__input {
  width: 36px;
  height: 30px;
  border: none;
  border-left: 1px solid #e0e0e0;
  border-right: 1px solid #e0e0e0;
  text-align: center;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-dark);
  -moz-appearance: textfield;
}
.cart-qty__input::-webkit-outer-spin-button,
.cart-qty__input::-webkit-inner-spin-button { -webkit-appearance: none; }

/* 사이드바 하단 */
.cart-sidebar__foot {
  border-top: 1.5px solid #f0f0ec;
  padding: 1.25rem 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  flex-shrink: 0;
}
.cart-total-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.92rem;
}
.cart-total-row span { color: #666; }
.cart-total-row strong {
  font-size: 1.15rem;
  font-weight: 900;
  color: var(--color-dark);
}
.cart-estimate-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem;
  background: var(--color-dark);
  color: var(--color-accent);
  font-size: 0.92rem;
  font-weight: 800;
  text-decoration: none;
  border-radius: 10px;
  transition: opacity 0.2s;
}
.cart-estimate-btn:hover { opacity: 0.85; }
.cart-clear-btn {
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 0.78rem;
  color: #bbb;
  text-align: center;
  padding: 0.25rem;
  transition: color 0.15s;
}
.cart-clear-btn:hover { color: #888; }

/* 담기 버튼 */
.add-to-cart-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.55rem 0.9rem;
  background: var(--color-dark);
  color: var(--color-accent);
  font-size: 0.8rem;
  font-weight: 700;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.15s;
  text-decoration: none;
  flex-shrink: 0;
}
.add-to-cart-btn:hover { opacity: 0.85; transform: translateY(-1px); }
.add-to-cart-btn:active { transform: scale(0.96); }

/* 헤더 견적서 버튼 말풍선 툴팁 */
.cart-header-tip {
  position: fixed;
  top: 0;
  left: 0;
  background: var(--color-dark);
  color: var(--color-white);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.45rem 0.9rem;
  border-radius: 8px;
  white-space: nowrap;
  z-index: 9999;
  pointer-events: none;
  opacity: 0;
  transform: translateX(-50%) translateY(-4px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}
.cart-header-tip::before {
  content: '';
  position: absolute;
  top: -6px;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-bottom-color: var(--color-dark);
  border-top: none;
}
.cart-header-tip.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* 토스트 */
.cart-toast {
  position: fixed;
  bottom: 5rem;
  left: 50%;
  transform: translateX(-50%) translateY(16px);
  background: var(--color-dark);
  color: var(--color-white);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 0.7rem 1.4rem;
  border-radius: 100px;
  white-space: nowrap;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s ease, transform 0.22s ease;
}
.cart-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* estimate 불러오기 배너 */
.cart-import-banner {
  background: #fffbea;
  border: 1.5px solid var(--color-accent);
  border-radius: 10px;
  padding: 0.9rem 1.2rem;
  font-size: 0.88rem;
  color: #555;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}
.cart-import-banner button {
  border: none;
  background: transparent;
  font-size: 0.8rem;
  color: #999;
  cursor: pointer;
  flex-shrink: 0;
}
.cart-import-banner button:hover { color: var(--color-dark); }

/* ============================================================
   CARD CTA — 라이트 bg 카드 공통 "자세히 보기 →" 링크
   ============================================================ */
.card-cta {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-dark);
  text-decoration: none;
  border-bottom: 1.5px solid var(--color-accent);
  padding-bottom: 1px;
  white-space: nowrap;
  transition: color 0.2s, border-color 0.2s;
}
.card-cta:hover { color: var(--color-accent); }

/* ============================================================
   DETAIL PAGE ANIMATION — 상세 페이지 입장 애니메이션 (공통)
   ============================================================ */
@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
.detail-hero__content,
.detail-info,
.detail-body__img,
.detail-body__text,
.detail-body__side {
  opacity: 0;
}
.detail-main.is-loaded .detail-hero__content {
  animation: fadeSlideUp 0.5s ease forwards;
}
.detail-main.is-loaded .detail-info {
  animation: fadeSlideUp 0.5s ease 0.1s forwards;
}
.detail-main.is-loaded .detail-body__img {
  animation: fadeSlideUp 0.5s ease 0.18s forwards;
}
.detail-main.is-loaded .detail-body__text {
  animation: fadeSlideUp 0.5s ease 0.26s forwards;
}
.detail-main.is-loaded .detail-body__side {
  animation: fadeSlideUp 0.5s ease 0.34s forwards;
}

/* ============================================================
   SERVICE BANNER (공통 — 클래스/아트키트/출강 히어로 아래 소개 배너)
   ============================================================ */
.service-banner {
  background: var(--color-accent);
  padding: 3rem 0;
}
.service-banner__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}
.service-banner__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.35rem;
  padding: 0.25rem 1.5rem 0.25rem;
  border-right: 1px solid rgba(0,0,0,0.12);
}
.service-banner__item:last-child {
  border-right: none;
}
.service-banner__icon {
  font-size: 2rem;
  font-weight: 900;
  line-height: 1;
  color: var(--color-dark);
  margin-bottom: 0.35rem;
}
.service-banner__title {
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--color-dark);
}
.service-banner__desc {
  font-size: 0.8rem;
  color: rgba(0,0,0,0.6);
  line-height: 1.5;
}
@media (max-width: 640px) {
  .service-banner__grid { grid-template-columns: 1fr; }
  .service-banner__item {
    border-right: none;
    border-bottom: 1px solid rgba(0,0,0,0.12);
    padding: 1rem 1.5rem;
  }
  .service-banner__item:last-child { border-bottom: none; padding-bottom: 0; }
}