/* ===== ABOUT PAGE ===== */

/* --- breadcrumb (shared with product pages) --- */
.breadcrumb {
  background: var(--navy);
  padding: 14px 12%;
}
.breadcrumb__list {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.breadcrumb__link {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  transition: color 0.2s;
}
.breadcrumb__link:hover { color: var(--teal); }
.breadcrumb__sep { font-size: 0.78rem; color: rgba(255,255,255,0.3); }
.breadcrumb__current { font-size: 0.78rem; color: rgba(255,255,255,0.9); font-weight: 500; }

/* --- page hero --- */
.about-hero {
  background: var(--navy);
  padding: 80px 12% 100px;
  position: relative;
  overflow: hidden;
}
.about-hero::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -80px;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(77,184,160,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.about-hero__inner {
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
}
.about-hero__logo {
  display: block;
  width: min(360px, 70%);
  height: auto;
  margin: 0 auto 28px;
}

.about-hero__label {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--teal);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 24px;
}
.about-hero__label-line {
  display: block;
  width: 28px;
  height: 2px;
  background: var(--teal);
  border-radius: 2px;
}
.about-hero__title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
  margin: 0 0 28px;
  letter-spacing: -0.02em;
}
.about-hero__title span,
.about-hero__title em {
  color: var(--teal);
  font-style: normal;
}
.about-hero__intro {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.72);
  line-height: 1.75;
  max-width: 660px;
  margin: 0 auto;
}

/* --- generic section layout --- */
.about-section {
  padding: 90px 12%;
}
.about-section--dark {
  background: var(--navy);
}
.about-section--light {
  background: #fff;
}
.about-section__label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.about-section--dark .about-section__label { color: var(--teal); }
.about-section--light .about-section__label { color: var(--teal); }
.about-section__label-line {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--teal);
  border-radius: 2px;
}
.about-section__title {
  font-size: clamp(1.5rem, 2.8vw, 2.1rem);
  font-weight: 700;
  line-height: 1.25;
  margin: 0 0 24px;
  letter-spacing: -0.02em;
}
.about-section--dark .about-section__title { color: #fff; }
.about-section--light .about-section__title { color: var(--navy); }
.about-section__text {
  font-size: 1rem;
  line-height: 1.75;
  max-width: 720px;
}
.about-section--dark .about-section__text { color: rgba(255,255,255,0.72); }
.about-section--light .about-section__text { color: rgba(1,59,88,0.75); }

/* --- approach: text + image --- */
.about-approach {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.about-approach__visual {
  border-radius: 20px;
  overflow: hidden;
}

.about-approach__img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 20px;
  box-shadow: 0 24px 64px rgba(1,59,88,0.14);
}

/* right-side reveal — slides in from right */
.about-reveal--right {
  transform: translateX(32px);
}
.about-reveal--right.is-visible {
  transform: translateX(0);
}

/* --- quality grid --- */
.about-quality {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.about-quality__list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 8px;
}
.about-quality__item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  padding: 16px;
}
.about-quality__item-dot {
  flex-shrink: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--teal);
  margin-top: 6px;
  animation: pulse 2s ease-in-out infinite;
}
.about-quality__item-text {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.8);
  line-height: 1.5;
}

/* --- r&d section: two-col --- */
.about-rd {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

/* --- philosophy: centered --- */
.about-philosophy {
  text-align: center;
  max-width: 760px;
  margin: 0 auto;
}
.about-philosophy .about-section__label {
  justify-content: center;
}
.about-philosophy .about-section__text {
  max-width: 100%;
}
.about-philosophy__cta {
  margin-top: 40px;
}

/* --- scroll reveal --- */
.about-reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.about-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .about-hero { padding: 60px 6% 80px; }
  .about-section { padding: 70px 6%; }
  .about-approach {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .about-approach__visual {
    order: -1;
  }
  .about-reveal--right {
    transform: translateY(24px);
  }
  .about-quality,
  .about-rd { grid-template-columns: 1fr; gap: 40px; }
  .about-quality__list { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .about-hero { padding: 48px 5% 64px; }
  .about-section { padding: 56px 5%; }
  .about-quality__list { grid-template-columns: 1fr; }
}