/* ==========================================================================
   BDX Recruit - Common Animations & Component Styles
   - IntersectionObserver scroll-reveal
   - Hero, Cards, Stats, Timeline, Quote, CTA, Section utilities
   - Brand color: #003894 (Navy Blue)
   - Fonts: EB Garamond (display) + Noto Sans JP (body)
   ========================================================================== */

/* --------------------------------------------------------------------------
   Scroll Reveal (controlled by IntersectionObserver in scroll-reveal.js)
   -------------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal--delay-1 { transition-delay: 0.1s; }
.reveal--delay-2 { transition-delay: 0.2s; }
.reveal--delay-3 { transition-delay: 0.3s; }

/* fade-in only (no translate) */
.reveal--fade { transform: none; }

/* slide from left */
.reveal--left { transform: translateX(-30px); }
.reveal--left.is-visible { transform: translateX(0); }

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.bdx-hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.bdx-hero__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}
.bdx-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,56,148,0.85) 0%, rgba(0,56,148,0.6) 100%);
}
.bdx-hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #fff;
  padding: 2rem;
  max-width: 800px;
}
.bdx-hero__title {
  font-family: 'EB Garamond', serif;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 500;
  margin-bottom: 1rem;
  letter-spacing: 0.05em;
}
.bdx-hero__subtitle {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: clamp(0.9rem, 2vw, 1.1rem);
  line-height: 1.8;
  margin-bottom: 2rem;
}

/* --------------------------------------------------------------------------
   Content Cards
   -------------------------------------------------------------------------- */
.bdx-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  padding: 2rem 0;
}
.bdx-card {
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.bdx-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,56,148,0.15);
}
.bdx-card__image {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}
.bdx-card__body {
  padding: 1.5rem;
}
.bdx-card__title {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  color: #333;
}
.bdx-card__text {
  font-size: 0.9rem;
  line-height: 1.7;
  color: #666;
}
.bdx-card__link {
  display: inline-block;
  margin-top: 1rem;
  color: #003894;
  font-weight: 500;
  text-decoration: none;
}
.bdx-card__link:hover {
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   Stats Cards
   -------------------------------------------------------------------------- */
.bdx-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  padding: 2rem 0;
}
.bdx-stat {
  text-align: center;
  padding: 2rem 1rem;
}
.bdx-stat__number {
  font-family: 'EB Garamond', serif;
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 500;
  color: #003894;
  line-height: 1;
}
.bdx-stat__unit {
  font-size: 1rem;
  color: #003894;
  margin-left: 0.2em;
}
.bdx-stat__label {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 0.85rem;
  color: #666;
  margin-top: 0.5rem;
}

/* --------------------------------------------------------------------------
   Timeline (Career Path / Selection Flow)
   -------------------------------------------------------------------------- */
.bdx-timeline {
  position: relative;
  padding: 2rem 0;
}
.bdx-timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: #e0e0e0;
  transform: translateX(-50%);
}
.bdx-timeline__item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 3rem;
  position: relative;
}
.bdx-timeline__marker {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #003894;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'EB Garamond', serif;
  font-size: 1.1rem;
  font-weight: 500;
  flex-shrink: 0;
  position: relative;
  z-index: 2;
}
.bdx-timeline__content {
  flex: 1;
  padding: 0 2rem;
}

@media (max-width: 768px) {
  .bdx-timeline::before {
    left: 20px;
  }
  .bdx-timeline__item {
    flex-direction: row;
  }
}

/* --------------------------------------------------------------------------
   Quote Block (Student Voices)
   -------------------------------------------------------------------------- */
.bdx-quote {
  position: relative;
  padding: 2rem 2rem 2rem 3rem;
  background: #f8f9fc;
  border-left: 4px solid #003894;
  margin: 1.5rem 0;
  border-radius: 0 8px 8px 0;
}
.bdx-quote::before {
  content: '\201C';
  position: absolute;
  top: -0.2em;
  left: 0.3rem;
  font-family: 'EB Garamond', serif;
  font-size: 4rem;
  color: rgba(0,56,148,0.15);
  line-height: 1;
}
.bdx-quote__text {
  font-size: 1rem;
  line-height: 1.8;
  color: #333;
}
.bdx-quote__author {
  margin-top: 1rem;
  font-size: 0.85rem;
  color: #666;
}

/* --------------------------------------------------------------------------
   CTA Banner
   -------------------------------------------------------------------------- */
.bdx-cta-banner {
  background: linear-gradient(135deg, #003894 0%, #0052cc 100%);
  padding: 4rem 2rem;
  text-align: center;
  color: #fff;
}
.bdx-cta-banner__title {
  font-family: 'EB Garamond', serif;
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  margin-bottom: 1rem;
}
.bdx-cta-banner__text {
  font-size: 1rem;
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.bdx-cta-banner__buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.bdx-btn {
  display: inline-block;
  padding: 0.8rem 2rem;
  border-radius: 4px;
  font-weight: 500;
  text-decoration: none;
  transition: background 0.3s ease, transform 0.2s ease;
}
.bdx-btn--primary {
  background: #fff;
  color: #003894;
}
.bdx-btn--primary:hover {
  background: #f0f4ff;
  transform: translateY(-2px);
}
.bdx-btn--outline {
  border: 2px solid #fff;
  color: #fff;
  background: transparent;
}
.bdx-btn--outline:hover {
  background: rgba(255,255,255,0.1);
  transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   Section Utilities
   -------------------------------------------------------------------------- */
.bdx-section {
  padding: 5rem 0;
}
.bdx-section--white {
  background: #fff;
}
.bdx-section--light {
  background: #f8f9fc;
}
.bdx-section--navy {
  background: #003894;
  color: #fff;
}
.bdx-section__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}
.bdx-section__heading {
  font-family: 'EB Garamond', serif;
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  text-align: center;
  margin-bottom: 0.5rem;
}
.bdx-section__heading-en {
  font-family: 'EB Garamond', serif;
  font-size: 0.85rem;
  text-align: center;
  color: #003894;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 0.3rem;
}
.bdx-section--navy .bdx-section__heading-en {
  color: rgba(255,255,255,0.6);
}
.bdx-section__lead {
  text-align: center;
  color: #666;
  max-width: 700px;
  margin: 0 auto 3rem;
  line-height: 1.8;
}
.bdx-section--navy .bdx-section__lead {
  color: rgba(255,255,255,0.8);
}