/* Home page - Stop TB USA 스타일 구조, 이미지 placeholder */
.main-content.home-page {
  padding-top: 0;
}

.main-content.home-page .container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* 메인 배너: section.block > .container 가로 정렬 */
.main-content.home-page .block-main-banner.block {
  padding: 0 24px 32px;
  margin-bottom: 0;
  background: transparent;
  box-shadow: none;
}

/* ========== 메인 롤링 배너 (헤더·소개 사이) ========== */
.main-banner {
  position: relative;
  margin-bottom: 0;
  border-bottom: 1px solid var(--color-border-light);
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.main-banner-viewport {
  overflow: hidden;
  width: 100%;
}

.main-banner-track {
  display: flex;
  width: 400%;
  transition: transform 0.55s ease;
  will-change: transform;
}

.main-banner-slide {
  flex: 0 0 25%;
  width: 25%;
  position: relative;
  overflow: hidden;
  /* 가로 대비 세로 — cover 시 상·하 잘림 완화(2.2:1 → 2.0:1) */
  aspect-ratio: 1.7 / 1;
}

/* 슬라이드 프레임을 가로·세로 100% 채움 (잘림은 cover로 처리) */
.main-banner-slide img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center;
  transform: scale(1);
  transform-origin: center center;
  will-change: transform;
}

@media (prefers-reduced-motion: no-preference) {
  .main-banner-slide.is-active img {
    animation: main-banner-kenburns 9s ease-in-out infinite alternate;
  }
}

@keyframes main-banner-kenburns {
  from {
    transform: scale(1);
  }
  to {
    transform: scale(1.07);
  }
}

/* 이미지 하단: 그라데이션 + 흰색 카피 오버레이 */
.main-banner-hero-bottom {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 3;
  padding: clamp(28px, 6vw, 56px) clamp(16px, 4vw, 40px) clamp(52px, 10vw, 72px);
  pointer-events: none;
}

.main-banner-hero-scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(0, 0, 0, 0.82) 0%,
    rgba(0, 0, 0, 0.45) 42%,
    transparent 100%
  );
  pointer-events: none;
}

.main-banner-hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: 58rem;
  margin-left: auto;
  margin-right: auto;
}

/* 태그라인·버튼을 한 덩어리로 두어 문구 시작 위치와 버튼 왼쪽을 맞춤 */
.main-banner-hero-inner {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: clamp(14px, 2.5vw, 24px);
  width: fit-content;
  max-width: 100%;
  box-sizing: border-box;
}

.main-banner-tagline {
  position: relative;
  z-index: 1;
  margin: 0;
  width: auto;
  max-width: 58rem;
  text-align: left;
  font-size: clamp(1.45rem, 5vw, 2.55rem);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.03em;
  color: #fff;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.45), 0 4px 28px rgba(0, 0, 0, 0.4);
}

@keyframes main-banner-tagline-reveal {
  0% {
    opacity: 0;
    transform: translateY(1.35em);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: no-preference) {
  .main-banner-tagline.main-banner-tagline--enter {
    animation: main-banner-tagline-reveal 0.95s cubic-bezier(0.22, 1, 0.36, 1) both;
  }
}

@media (prefers-reduced-motion: reduce) {
  .main-banner-tagline.main-banner-tagline--enter {
    animation: none;
  }
}

/* common.css .bilingual .en/.ko 색보다 우선 */
.main-banner-tagline.bilingual {
  margin-bottom: 0;
}

.main-banner-tagline.bilingual .en,
.main-banner-tagline.bilingual .ko {
  color: #fff;
  margin-bottom: 0;
}

.main-banner-tagline.bilingual .ko {
  font-size: 1em;
}

.main-banner-about-btn {
  pointer-events: auto;
  text-decoration: none;
  min-height: 48px;
  padding: 12px 22px;
  font-weight: 600;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
}

.main-banner-about-btn:hover {
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.3);
}

.main-banner-controls {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 4;
}

.main-banner-arrow {
  pointer-events: auto;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border: none;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.38);
  color: #fff;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: background 0.2s ease, transform 0.15s ease;
}

.main-banner-arrow:hover {
  background: rgba(0, 0, 0, 0.52);
}

.main-banner-arrow:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.main-banner-prev {
  left: 12px;
}

.main-banner-next {
  right: 12px;
}

.main-banner-dots {
  pointer-events: auto;
  position: absolute;
  left: 0;
  right: 0;
  bottom: clamp(10px, 2.5vw, 18px);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  padding: 0 12px;
}

.main-banner-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  padding: 0;
  border: 2px solid rgba(255, 255, 255, 0.95);
  background: transparent;
  cursor: pointer;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.35);
  transition: background 0.2s ease, transform 0.15s ease;
}

.main-banner-dot:hover {
  transform: scale(1.15);
}

.main-banner-dot[aria-selected="true"] {
  background: #fff;
}

.main-banner-dot:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

@media (max-width: 640px) {
  .main-banner-arrow {
    width: 40px;
    height: 40px;
    font-size: 0.9rem;
  }

  .main-banner-prev {
    left: 6px;
  }

  .main-banner-next {
    right: 6px;
  }

  .main-banner-tagline {
    font-size: clamp(1.12rem, 5.8vw, 1.75rem);
    line-height: 1.35;
  }

  .main-banner-hero-bottom {
    padding-bottom: 58px;
  }
}

/* ========== Hero: Who We Are ========== */
.hero.block-who {
  padding: 56px 24px 48px;
  background: linear-gradient(165deg, var(--color-bg-alt) 0%, var(--color-bg-cream) 45%, var(--color-bg) 100%);
  border-bottom: 1px solid var(--color-border-light);
  position: relative;
  overflow: hidden;
}

.hero.block-who::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 55%;
  height: 100%;
  background: radial-gradient(circle at 85% 20%, rgba(239, 83, 80, 0.06) 0%, transparent 45%);
  pointer-events: none;
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero-title {
  margin: 0 0 36px;
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--color-primary);
  line-height: 1.25;
}

.hero-statements {
  display: grid;
  gap: 28px;
  margin-bottom: 40px;
}

.hero-statement {
  padding: 24px 28px;
  background: rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
  box-shadow: 0 4px 20px rgba(139, 0, 0, 0.05);
}

.hero-statement .statement-label {
  margin: 0 0 12px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.hero-statement .statement-text {
  margin: 0;
  font-size: 1.1rem;
  line-height: 1.7;
  font-weight: 600;
  color: var(--color-text);
}

.hero-statement .statement-text .ko {
  font-weight: 500;
  font-size: 1rem;
}

/* Hero 이미지 */
.hero-image-wrap {
  margin-top: 32px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(139,0,0,0.12);
}

.hero-img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  display: block;
}

@media (max-width: 640px) {
  .hero-img { height: 200px; }
}

/* ========== Block 공통 ========== */
.block {
  padding: 56px 24px;
  position: relative;
}

.block-title {
  margin: 0 0 16px;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.block-desc {
  margin: 0 0 24px;
  line-height: 1.75;
  color: var(--color-text);
}

.block-desc .ko {
  color: var(--color-text-muted);
}

.block .btn {
  margin-top: 4px;
}

/* ========== Join / Subscribe (좌우 분할) ========== */
.block-join {
  background: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-bg-cream) 100%);
  border-top: 1px solid var(--color-border-light);
}

.container-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.join-content .block-title,
.involve-content .block-title {
  margin-bottom: 12px;
}

/* Join/Involve 섹션 이미지 */
.join-image-wrap,
.involve-image-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.join-img,
.involve-img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  display: block;
}

@media (max-width: 640px) {
  .join-img, .involve-img { height: 180px; }
}

/* ========== Get Involved (좌우 분할, 이미지-콘텐츠) ========== */
.block-involve {
  background: var(--color-bg);
  box-shadow: inset 0 1px 0 var(--color-border-light);
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}

/* ========== Our Programs (Where We Unite) ========== */
.block-programs {
  background: linear-gradient(180deg, var(--color-bg-cream) 0%, var(--color-bg-alt) 100%);
  border-top: 1px solid var(--color-border-light);
  padding-bottom: 64px;
}

.programs-headline {
  margin: 0 0 8px;
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-primary);
  text-align: center;
  letter-spacing: -0.02em;
}

.programs-tagline {
  margin: 0 0 40px;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 1rem;
}

.program-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
  align-items: stretch;
}

.program-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
  box-shadow: 0 4px 24px rgba(139, 0, 0, 0.06);
  /* 본문 2줄 등이 잘리지 않도록 (이미지 영역만 overflow 처리) */
  overflow: visible;
  transition: box-shadow 0.25s, transform 0.2s;
}

.program-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-4px);
}

.program-card-image {
  height: 320px;
  overflow: hidden;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  border-bottom: 1px solid var(--color-border-light);
  background: linear-gradient(135deg, var(--color-bg-alt) 0%, var(--color-bg-cream) 100%);
}

.program-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.program-card:hover .program-card-image img {
  transform: scale(1.04);
}

.program-card-body {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  min-height: 0;
  padding: 24px;
  gap: 16px;
}

.program-card-title {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-text);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}

.program-card-body > p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--color-text);
}

/* 1줄·2줄 관계없이 카드 하단에 버튼 정렬 */
.program-card-body > a.btn {
  margin-top: auto;
  align-self: flex-start;
}

.program-card-ko-multi {
  display: flex;
  flex-direction: column;
  gap: 0.45em;
}

.program-card-ko-multi .program-card-line {
  display: block;
  line-height: inherit;
}

.program-card-body .ko {
  color: var(--color-text-muted);
}

.btn-sm {
  padding: 10px 18px;
  font-size: 0.9rem;
}

/* ========== 반응형 ========== */
@media (max-width: 900px) {
  .container-split {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .block-involve .container-split {
    direction: ltr;
  }

  .join-img,
  .involve-img {
    height: 200px;
  }
}

@media (max-width: 640px) {
  .hero-title {
    font-size: 1.75rem;
  }

  .hero-statement .statement-text {
    font-size: 1rem;
  }

  .block {
    padding: 40px 24px;
  }

  .block-title {
    font-size: 1.3rem;
  }

  .programs-headline {
    font-size: 1.45rem;
  }

  .program-cards {
    grid-template-columns: 1fr;
  }

  .program-card-image {
    height: 280px;
  }

  .btn-group {
    flex-direction: column;
  }

  .btn-group .btn {
    width: 100%;
    text-align: center;
  }
}