/* ============================================
   ABOUT PAGE — Decilion Design System v4.2
   Hero, story, name meaning, principal, network
   ============================================ */

/* Hero */
.about-hero {
  padding: var(--sp-12) 0 60px;
  position: relative;
  overflow: hidden;
}

.about-hero::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 55%;
  height: 100%;
  background: url('/assets/images/hero-about.webp') center/cover;
  opacity: 0;
  animation: heroImageIn 0.8s ease-out 0.1s forwards;
  mask-image: linear-gradient(to left, rgba(0,0,0,0.7), transparent 65%);
  -webkit-mask-image: linear-gradient(to left, rgba(0,0,0,0.7), transparent 65%);
  pointer-events: none;
}

.about-hero__inner {
  position: relative;
  z-index: 1;
  max-width: 680px;
}

.about-hero__label {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--fs-caption);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--teal);
  margin-bottom: var(--sp-5);
  opacity: 0;
  animation: slideUp 0.5s var(--ease) 0.1s forwards;
}

.about-hero__label::before {
  content: '';
  width: var(--sp-6);
  height: 2px;
  background: var(--teal);
}

.about-hero__title {
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--navy);
  line-height: 1.2;
  margin-bottom: var(--sp-6);
  opacity: 0;
  animation: slideUp 0.6s var(--ease) 0.2s forwards;
}

.about-hero__sub {
  font-size: var(--fs-body-xl);
  font-weight: 300;
  line-height: 1.75;
  color: var(--ink-2);
  max-width: 520px;
  opacity: 0;
  animation: slideUp 0.5s var(--ease) 0.3s forwards;
}

/* Story section */
.story {
  padding: 60px 0 80px;
  background: var(--white);
  border-top: 1px solid var(--warm-border-light);
  border-bottom: 1px solid var(--warm-border-light);
}

.story__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-11);
  align-items: start;
}

.story__heading {
  font-family: var(--serif);
  font-size: var(--fs-heading-md);
  font-weight: 700;
  color: var(--navy);
  margin-bottom: var(--sp-6);
}

.story__text {
  font-size: var(--fs-body);
  color: var(--ink-2);
  line-height: 1.8;
}

.story__text p { margin-bottom: var(--sp-4); }

.story__highlight {
  background: var(--cream);
  border-left: 3px solid var(--teal);
  padding: var(--sp-6) 28px;
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  margin: var(--sp-6) 0;
}

.story__highlight p {
  font-family: var(--serif);
  font-style: italic;
  font-size: var(--fs-body-lg);
  color: var(--navy);
  line-height: 1.65;
  margin: 0;
}

/* Name meaning */
.name-meaning {
  padding: var(--sp-11) 0;
  text-align: center;
}

.name-meaning__title {
  font-family: var(--serif);
  font-size: var(--fs-heading-sm);
  color: var(--navy);
  margin-bottom: var(--sp-4);
}

.name-meaning__text {
  font-size: var(--fs-body);
  color: var(--ink-2);
  line-height: 1.75;
  max-width: 560px;
  margin: 0 auto var(--sp-7);
}

.name-meaning__dots {
  display: flex;
  justify-content: center;
  gap: var(--sp-3);
}

.name-meaning__dot {
  width: 20px;
  height: 20px;
  border-radius: var(--radius-full);
  transition: transform 0.3s var(--ease);
}

.name-meaning__dot:hover { transform: scale(1.3); }

/* Principal bio */
.principal {
  padding: var(--section-py) 0;
  background: var(--white);
  border-top: 1px solid var(--warm-border-light);
  border-bottom: 1px solid var(--warm-border-light);
}

.principal__grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: var(--sp-11);
  align-items: start;
}

.principal__photo-wrapper {
  position: sticky;
  top: 100px;
}

.principal__photo {
  width: 100%;
  aspect-ratio: 4/5;
  overflow: hidden;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.principal__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.principal__photo-dots {
  display: flex;
  gap: 6px;
  margin-top: var(--sp-4);
  justify-content: center;
}

.principal__photo-dots span {
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
}

.principal__credentials {
  margin-top: 28px;
}

.principal__credentials-title {
  font-size: var(--fs-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-3);
  margin-bottom: var(--sp-4);
}

.principal__degree {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 0;
}

.principal__degree-icon {
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
  margin-top: 5px;
}

.principal__degree-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.principal__degree-name {
  font-size: var(--fs-nav);
  font-weight: 500;
  color: var(--ink-3);
  line-height: 1.3;
}

.principal__degree-school {
  font-size: var(--fs-body-sm);
  font-weight: 600;
  color: var(--navy);
  line-height: 1.3;
}

.principal__name {
  font-family: var(--serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: var(--sp-1);
}

.principal__role {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--teal);
  margin-bottom: var(--sp-2);
}

.principal__affiliation {
  font-size: var(--fs-nav);
  color: var(--ink-3);
  margin-bottom: var(--sp-6);
  line-height: 1.5;
}

.principal__bio {
  font-size: var(--fs-body);
  color: var(--ink-2);
  line-height: 1.8;
}

.principal__bio p { margin-bottom: var(--sp-4); }

.principal__links {
  display: flex;
  gap: var(--sp-4);
  margin-top: var(--sp-6);
}

.principal__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--fs-nav);
  font-weight: 500;
  color: var(--teal-dark);
  transition: gap 0.2s;
}

.principal__link:hover { gap: 10px; }

.principal__link svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

/* Network of experts */
.network {
  padding: var(--section-py) 0;
}

.network__header {
  text-align: center;
  margin-bottom: var(--sp-9);
}

.network__title {
  font-family: var(--serif);
  font-size: var(--fs-heading-md);
  color: var(--navy);
  margin-bottom: var(--sp-3);
}

.network__sub {
  font-size: var(--fs-body);
  color: var(--ink-2);
  max-width: 480px;
  margin: 0 auto;
}

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

.network__card {
  background: var(--white);
  border: 1px solid var(--warm-border);
  border-radius: var(--radius-lg);
  padding: 28px var(--sp-6);
  text-align: center;
}

.network__card-dot {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
  margin: 0 auto var(--sp-4);
}

.network__card-field {
  font-family: var(--sans);
  font-size: var(--fs-body);
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 6px;
}

.network__card-desc {
  font-size: var(--fs-nav);
  color: var(--ink-3);
  line-height: 1.5;
}

/* Responsive */
@media (max-width: 768px) {
  .about-hero::before { display: none; }
  .story__grid { grid-template-columns: 1fr; gap: var(--sp-8); }
  .principal__grid { grid-template-columns: 1fr; gap: var(--sp-7); }
  .principal__photo-wrapper { position: static; }
  .principal__photo { max-width: 280px; }
  .network__grid { grid-template-columns: 1fr; }
}