/* ==========================================================================
   Homestay Korea — About Us Page
   히어로, 아이콘 박스, 카운터, 올림픽, 인증, 파트너
   ========================================================================== */

/* ==========================================================================
   히어로 섹션
   ========================================================================== */

.about-hero {
  position: relative;
  width: 100%;
  min-height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background-color: var(--color-bg-dark);
}

.about-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
}

.about-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.3) 0%,
    rgba(0, 0, 0, 0.55) 100%
  );
}

.about-hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: var(--spacing-8) var(--spacing-4);
  max-width: 780px;
}

.about-hero__subtitle {
  font-size: var(--text-lg);
  font-weight: var(--font-medium);
  color: rgba(255, 255, 255, 0.9);
  letter-spacing: var(--tracking-wide);
  margin-bottom: var(--spacing-5);
}

.about-hero__title {
  font-size: var(--text-5xl);
  font-weight: var(--font-bold);
  color: var(--color-text-white);
  line-height: var(--leading-tight);
  margin-bottom: var(--spacing-5);
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.about-hero__text {
  font-size: var(--text-base);
  color: rgba(255, 255, 255, 0.85);
  line-height: var(--leading-relaxed);
  max-width: 680px;
  margin: 0 auto;
}

@media (max-width: 767px) {
  .about-hero {
    min-height: 320px;
  }

  .about-hero__title {
    font-size: var(--text-3xl);
  }

  .about-hero__text {
    font-size: var(--text-base);
  }
}

/* ==========================================================================
   아이콘 박스 그리드 (Why Homestay Korea)
   ========================================================================== */

.about-features {
  padding-top: var(--spacing-16);
  padding-bottom: var(--spacing-16);
}

.about-features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-6);
}

.about-feature {
  text-align: center;
  padding: var(--spacing-6) var(--spacing-4);
  background: var(--color-bg-white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border-light);
  transition: box-shadow var(--transition-base),
              transform var(--transition-base);
}

.about-feature:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-3px);
}

.about-feature__icon {
  width: 72px;
  height: 72px;
  margin: 0 auto var(--spacing-5);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-light);
  border-radius: var(--radius-circle);
  color: var(--color-primary);
}

.about-feature__icon svg {
  width: 32px;
  height: 32px;
  fill: currentColor;
}

.about-feature__title {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-2);
}

.about-feature__text {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  line-height: var(--leading-relaxed);
}

@media (max-width: 1024px) {
  .about-features__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  .about-features {
    padding-top: var(--spacing-10);
    padding-bottom: var(--spacing-10);
  }

  .about-features__grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Why Choose Homestay Korea — 카드 레이아웃 (텍스트 + 이미지)
   ========================================================================== */

.about-features__cards {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-8);
}

.about-feature-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-8);
  align-items: center;
  background: var(--color-bg-white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border-light);
  overflow: hidden;
  transition: box-shadow var(--transition-base);
}

.about-feature-card:hover {
  box-shadow: var(--shadow-card-hover);
}

.about-feature-card__text {
  padding: var(--spacing-8) var(--spacing-6);
}

.about-feature-card__title {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-3);
  line-height: var(--leading-tight);
}

.about-feature-card__desc {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

.about-feature-card__image {
  height: 100%;
  overflow: hidden;
  background: var(--color-bg-light);
}

.about-feature-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  min-height: 240px;
}

@media (max-width: 767px) {
  .about-feature-card {
    grid-template-columns: 1fr;
  }

  .about-feature-card__text {
    padding: var(--spacing-5) var(--spacing-4);
    order: 1;
  }

  .about-feature-card__image {
    order: 0;
    max-height: 200px;
  }

  .about-feature-card__image img {
    min-height: 200px;
  }
}

/* ==========================================================================
   카운터 섹션
   ========================================================================== */

.about-counters {
  background: var(--color-bg-dark);
  color: var(--color-text-white);
  padding: var(--spacing-16) 0;
}

.about-counters__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-6);
}

.about-counter {
  text-align: center;
  padding: var(--spacing-4);
}

.about-counter__number {
  font-size: var(--text-5xl);
  font-weight: var(--font-bold);
  color: var(--color-primary);
  line-height: var(--leading-none);
  margin-bottom: var(--spacing-2);
}

.about-counter__label {
  font-size: var(--text-md);
  font-weight: var(--font-medium);
  color: rgba(255, 255, 255, 0.8);
}

@media (max-width: 1024px) {
  .about-counters__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  .about-counters {
    padding: var(--spacing-10) 0;
  }

  .about-counters__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-4);
  }

  .about-counter__number {
    font-size: var(--text-4xl);
  }

  .about-counter__label {
    font-size: var(--text-sm);
  }
}

/* ==========================================================================
   올림픽 홈스테이 섹션
   ========================================================================== */

.about-olympics {
  padding: var(--spacing-16) 0;
}

.about-olympics__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-12);
  align-items: center;
}

.about-olympics__image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--color-bg-light);
}

.about-olympics__image img {
  width: 100%;
  height: auto;
  display: block;
}

.about-olympics__content {
  padding: var(--spacing-4) 0;
}

.about-olympics__title {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-5);
  line-height: var(--leading-tight);
}

.about-olympics__text {
  font-size: var(--text-base);
  line-height: var(--leading-loose);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-5);
}

.about-olympics__text p {
  margin-bottom: var(--spacing-4);
}

.about-olympics__text p:last-child {
  margin-bottom: 0;
}

@media (max-width: 767px) {
  .about-olympics {
    padding: var(--spacing-10) 0;
  }

  .about-olympics__inner {
    grid-template-columns: 1fr;
    gap: var(--spacing-6);
  }

  .about-olympics__title {
    font-size: var(--text-2xl);
  }
}

/* ==========================================================================
   등록 관광업 / 인증 섹션
   ========================================================================== */

/* ==========================================================================
   Navy 배경 섹션 (공유)
   ========================================================================== */

.section--navy {
  background: var(--color-bg-navy);
  color: var(--color-text-white);
}
.section--navy h2 {
  color: var(--color-text-white);
}

/* ==========================================================================
   타임라인
   ========================================================================== */

.about-timeline {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-6);
  margin-top: var(--spacing-8);
}
.about-timeline__card {
  padding: var(--spacing-5);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
}
.about-timeline__year {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--spacing-2);
}
.about-timeline__desc {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.8);
  line-height: var(--leading-relaxed);
}

/* ==========================================================================
   대표 인사말 (Founder Letter)
   ========================================================================== */

.about-letter {
  padding: var(--spacing-16) 0;
}
.about-letter__inner {
  max-width: 800px;
  margin: 0 auto;
}
.about-letter__quote {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: 300;
  line-height: var(--leading-tight);
  margin-bottom: var(--spacing-8);
}
.about-letter__quote em {
  font-style: italic;
  color: var(--color-accent);
}
.about-letter__body {
  font-size: var(--text-lg);
  line-height: 1.75;
  color: var(--color-text-secondary);
}
.about-letter__body p {
  margin-bottom: var(--spacing-5);
}
.about-letter__body p:last-child {
  margin-bottom: 0;
  color: var(--color-text-light);
}
.about-letter__signature {
  margin-top: var(--spacing-10);
  padding-top: var(--spacing-6);
  border-top: 1px solid var(--color-border-light);
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
}
.about-letter__signature-avatar {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-circle);
  background: var(--color-bg-navy);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-white);
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  flex-shrink: 0;
}
.about-letter__signature-name {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 400;
  font-style: italic;
}
.about-letter__signature-role {
  font-family: var(--font-data);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.1em;
  margin-top: var(--spacing-1);
}

/* ==========================================================================
   팀 (Team)
   ========================================================================== */

.about-team {
  padding: var(--spacing-16) 0;
  background: var(--color-bg-subtle);
}
.about-team__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--spacing-5);
  margin-top: var(--spacing-8);
}
.about-team__card {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--spacing-5);
  text-align: center;
}
.about-team__avatar {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-circle);
  margin: 0 auto var(--spacing-3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  color: var(--color-text-white);
}
.about-team__name {
  font-weight: 600;
  font-size: var(--text-base);
  margin-bottom: var(--spacing-1);
}
.about-team__role {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  margin-bottom: var(--spacing-2);
}
.about-team__tag {
  font-family: var(--font-data);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ==========================================================================
   언론 (Press)
   ========================================================================== */

.about-press {
  padding: var(--spacing-12) 0;
  background: var(--color-bg-navy);
  color: var(--color-text-white);
}
.about-press__label {
  font-family: var(--font-data);
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: var(--spacing-6);
}
.about-press__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-10);
}
.about-press__quote {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 400;
  line-height: 1.5;
  font-style: italic;
  margin-bottom: var(--spacing-5);
}
.about-press__source {
  padding-top: var(--spacing-4);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.about-press__source-name {
  font-weight: 600;
  font-size: var(--text-sm);
}
.about-press__source-year {
  font-family: var(--font-data);
  font-size: var(--text-xs);
  opacity: 0.5;
}
@media (max-width: 767px) {
  .about-press__grid { grid-template-columns: 1fr; gap: var(--spacing-6); }
}

/* ==========================================================================
   About CTA
   ========================================================================== */

.about-cta {
  padding: var(--spacing-16) 0;
  text-align: center;
}
.about-cta__title {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: 300;
  line-height: var(--leading-tight);
  margin-bottom: var(--spacing-4);
}
.about-cta__title em {
  font-style: italic;
  color: var(--color-accent);
}
.about-cta__text {
  font-size: var(--text-lg);
  color: var(--color-text-light);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--spacing-8);
}
.about-cta__actions {
  display: flex;
  justify-content: center;
  gap: var(--spacing-3);
  flex-wrap: wrap;
}

/* ==========================================================================
   등록 관광업 인증
   ========================================================================== */

.about-certifications {
  background: var(--color-bg-warm);
  padding: var(--spacing-12) 0;
}

.about-certifications__inner {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.about-certifications__title {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-4);
}

.about-certifications__text {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--spacing-6);
}

.about-certifications__badges {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--spacing-6);
}

.about-certifications__badge {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-4) var(--spacing-5);
  background: var(--color-bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.about-certifications__badge-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}

.about-certifications__badge-icon svg {
  width: 28px;
  height: 28px;
  fill: currentColor;
}

.about-certifications__badge-text {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  text-align: left;
}

.about-certifications__badge-sub {
  font-size: var(--text-xs);
  font-weight: var(--font-regular);
  color: var(--color-text-muted);
  display: block;
  margin-top: 2px;
}

@media (max-width: 767px) {
  .about-certifications {
    padding: var(--spacing-8) 0;
  }

  .about-certifications__badges {
    flex-direction: column;
  }

  .about-certifications__badge {
    width: 100%;
    max-width: 300px;
  }
}

/* ==========================================================================
   파트너 로고 캐러셀
   ========================================================================== */

.about-partners {
  padding: var(--spacing-12) 0;
}

.about-partners__title {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--color-text-primary);
  text-align: center;
  margin-bottom: var(--spacing-8);
}

.about-partners__grid {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--spacing-8);
}

.about-partners__item {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 60px;
  opacity: 0.6;
  filter: grayscale(100%);
  transition: opacity var(--transition-base),
              filter var(--transition-base);
}

.about-partners__item:hover {
  opacity: 1;
  filter: grayscale(0%);
}

.about-partners__item img {
  max-height: 50px;
  width: auto;
  object-fit: contain;
}

@media (max-width: 767px) {
  .about-partners {
    padding: var(--spacing-8) 0;
  }

  .about-partners__grid {
    gap: var(--spacing-6);
  }

  .about-partners__item {
    height: 44px;
  }

  .about-partners__item img {
    max-height: 36px;
  }
}