/* =============================================
   Cross Sports Coach Page
   prefix: co-
   ============================================= */

/* ===== HERO ===== */
.co-hero {
  position: relative;
  min-height: 620px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 100px 24px 120px;
}
.co-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.co-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.co-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(11,43,69,.92) 0%, rgba(10,31,48,.88) 100%);
  z-index: 1;
}
.co-hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 880px;
  color: #fff;
}
.co-hero__eyebrow {
  display: inline-block;
  font-family: var(--cs-font-en);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.25em;
  color: var(--cs-teal);
  margin-bottom: 20px;
  padding: 6px 18px;
  border: 1px solid rgba(78,201,176,.4);
  border-radius: 999px;
}
.co-hero__title {
  font-size: 48px;
  font-weight: 900;
  line-height: 1.25;
  margin: 0 0 24px;
  letter-spacing: 0.02em;
}
.co-hero__desc {
  font-size: 16px;
  line-height: 1.9;
  color: rgba(255,255,255,.85);
  margin: 0 0 44px;
}
.co-hero__stats {
  display: flex;
  justify-content: center;
  gap: 60px;
  padding-top: 32px;
  border-top: 1px solid rgba(78,201,176,.3);
}
.co-hero__stat {
  text-align: center;
}
.co-hero__stat-num {
  font-family: var(--cs-font-en);
  font-size: 36px;
  font-weight: 900;
  color: var(--cs-teal);
  line-height: 1;
  margin-bottom: 8px;
}
.co-hero__stat-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,.75);
}
.co-hero__diagonal {
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 60px;
  background: linear-gradient(to bottom right, transparent 49.5%, #fff 50%);
  z-index: 2;
}

/* ===== INTRO CARDS ===== */
.co-intro {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin-top: 48px;
}
.co-intro__card {
  background: #fff;
  border-radius: 20px;
  padding: 32px;
  text-decoration: none;
  color: inherit;
  border: 1.5px solid rgba(11,43,69,.08);
  transition: transform .3s, box-shadow .3s, border-color .3s;
  display: flex;
  flex-direction: column;
}
.co-intro__card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 48px rgba(11,43,69,.12);
  border-color: var(--cs-teal);
  color: inherit;
}
.co-intro__photo {
  aspect-ratio: 4 / 3;
  border-radius: 14px;
  overflow: hidden;
  margin-bottom: 24px;
}
.co-intro__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
}
.co-intro__card:last-child .co-intro__photo img {
  object-position: center 55%;
}
.co-intro__role {
  font-family: var(--cs-font-en);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--cs-teal-dark);
  margin-bottom: 6px;
}
.co-intro__name {
  font-size: 26px;
  font-weight: 900;
  color: var(--cs-dark);
  margin: 0 0 2px;
}
.co-intro__name-en {
  font-family: var(--cs-font-en);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--cs-gray);
  margin-bottom: 16px;
}
.co-intro__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 20px;
}
.co-intro__tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--cs-cream);
  color: var(--cs-teal-dark);
}
.co-intro__link {
  margin-top: auto;
  font-family: var(--cs-font-en);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--cs-teal-dark);
}

/* ===== DETAIL SECTION ===== */
.co-detail {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 48px;
  align-items: start;
}
.co-detail--reverse {
  grid-template-columns: 1fr 380px;
}
.co-detail--reverse .co-detail__photo {
  order: 2;
}
.co-detail__photo {
  position: sticky;
  top: 100px;
  border-radius: 20px;
  overflow: hidden;
  aspect-ratio: 4 / 5;
  box-shadow: 0 24px 60px rgba(11,43,69,.15);
}
.co-detail__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
}
.co-detail--reverse .co-detail__photo img {
  object-position: center 55%;
}
.co-detail__body {
  padding-top: 8px;
}
.co-detail__name {
  font-size: 36px;
  font-weight: 900;
  color: var(--cs-dark);
  margin: 8px 0 20px;
  line-height: 1.2;
}
.co-detail__name-en {
  display: block;
  font-family: var(--cs-font-en);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--cs-gray);
  margin-top: 6px;
}
.co-detail__meta {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px 20px;
  padding: 20px 24px;
  background: #fff;
  border: 1px solid rgba(11,43,69,.08);
  border-radius: 14px;
  margin-bottom: 28px;
}
.cs-section .co-detail__meta {
  background: var(--cs-cream);
  border: none;
}
.co-detail__meta-item {
  font-size: 14px;
  font-weight: 700;
  color: var(--cs-dark);
}
.co-detail__meta-item span {
  display: block;
  font-size: 11px;
  font-weight: 700;
  color: var(--cs-gray);
  letter-spacing: 0.08em;
  margin-bottom: 2px;
}
.co-detail__lead {
  font-size: 15px;
  line-height: 1.95;
  color: var(--cs-dark);
  margin: 0 0 36px;
  padding: 20px 0;
  border-top: 2px solid var(--cs-teal);
  border-bottom: 1px solid rgba(11,43,69,.08);
}
.co-detail__section-title {
  font-size: 18px;
  font-weight: 900;
  color: var(--cs-dark);
  margin: 32px 0 16px;
  padding-left: 14px;
  border-left: 4px solid var(--cs-teal);
}
.co-detail__text {
  font-size: 14px;
  line-height: 1.95;
  color: var(--cs-dark);
  margin: 0;
}

/* ===== TIMELINE ===== */
.co-timeline {
  list-style: none;
  padding: 0;
  margin: 0;
  position: relative;
}
.co-timeline::before {
  content: "";
  position: absolute;
  left: 60px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: rgba(78,201,176,.25);
}
.co-timeline__item {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  padding: 10px 0;
  position: relative;
}
.co-timeline__item::before {
  content: "";
  position: absolute;
  left: 56px;
  top: 16px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--cs-teal);
  border: 2px solid #fff;
  box-shadow: 0 0 0 2px rgba(78,201,176,.3);
}
.co-timeline__item--highlight::before {
  background: var(--cs-dark);
  box-shadow: 0 0 0 3px var(--cs-teal);
}
.co-timeline__year {
  flex-shrink: 0;
  width: 50px;
  font-family: var(--cs-font-en);
  font-size: 13px;
  font-weight: 800;
  color: var(--cs-teal-dark);
  padding-top: 2px;
  text-align: right;
}
.co-timeline__text {
  flex: 1;
  font-size: 14px;
  line-height: 1.7;
  color: var(--cs-dark);
  padding-left: 12px;
}
.co-timeline__item--highlight .co-timeline__text {
  font-weight: 700;
}

/* ===== PHILOSOPHY ===== */
.co-philosophy {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
}
.co-philosophy__card {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(78,201,176,.2);
  border-radius: 16px;
  padding: 32px 28px;
  backdrop-filter: blur(4px);
}
.co-philosophy__num {
  font-family: var(--cs-font-en);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--cs-teal);
  margin-bottom: 12px;
}
.co-philosophy__title {
  font-size: 20px;
  font-weight: 900;
  color: #fff;
  line-height: 1.4;
  margin: 0 0 16px;
}
.co-philosophy__text {
  font-size: 13px;
  line-height: 1.9;
  color: rgba(255,255,255,.75);
  margin: 0;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .co-hero__title {
    font-size: 32px;
  }
  .co-hero__desc {
    font-size: 14px;
  }
  .co-hero__stats {
    gap: 28px;
  }
  .co-hero__stat-num {
    font-size: 26px;
  }
  .co-hero__stat-label {
    font-size: 10px;
  }
  .co-intro {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .co-detail,
  .co-detail--reverse {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .co-detail--reverse .co-detail__photo {
    order: 0;
  }
  .co-detail__photo {
    position: static;
    max-width: 340px;
    margin: 0 auto;
    aspect-ratio: 4 / 4;
  }
  .co-detail__name {
    font-size: 28px;
  }
  .co-timeline::before {
    left: 52px;
  }
  .co-timeline__item::before {
    left: 48px;
  }
  .co-philosophy {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}