/* ABOUT — built in Xiamen, bound for the infinite */

.about-hero {
  min-height: 92svh;
  display: flex;
  align-items: stretch;
  background:
    radial-gradient(circle at 82% 36%, rgba(255, 77, 18, 0.14), transparent 27%),
    var(--ink);
}

.about-hero .wrap {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: min(var(--max), calc(100% - var(--gutter) * 2));
}

.about-hero::before {
  content: "";
  position: absolute;
  top: 13%;
  right: 5%;
  width: min(44vw, 670px);
  aspect-ratio: 1;
  border: 1px solid rgba(241, 237, 228, 0.12);
  border-radius: 50%;
  box-shadow:
    0 0 0 7vw rgba(241, 237, 228, 0.018),
    0 0 0 14vw rgba(241, 237, 228, 0.012);
  pointer-events: none;
}

.about-hero::after {
  content: "";
  position: absolute;
  top: 13%;
  right: 5%;
  width: min(44vw, 670px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: conic-gradient(
    from 20deg,
    transparent 0deg,
    transparent 305deg,
    rgba(255, 77, 18, 0.45) 315deg,
    transparent 335deg
  );
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 1px), #000 calc(100% - 1px));
  mask: radial-gradient(farthest-side, transparent calc(100% - 1px), #000 calc(100% - 1px));
  pointer-events: none;
  animation: coreSpin 28s linear infinite;
}

.about-hero__grid {
  flex: 1;
  align-items: center;
  padding-block: clamp(3rem, 7vh, 6rem);
}

.about-title {
  font-size: clamp(3.8rem, 8.4vw, 9rem);
  line-height: 1.02;
}

.about-hero__micro {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-top: 1.8rem;
  color: var(--muted);
  font-size: 0.55rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.about-hero__micro i {
  display: block;
  width: 15px;
  height: 1px;
  background: rgba(241, 237, 228, 0.3);
}

.about-hero__rail {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(25rem, 0.8fr);
  gap: 2rem;
  align-items: end;
  padding: 1.5rem 0 1.8rem;
  border-top: 1px solid var(--line);
}

.about-hero__lede {
  color: var(--muted);
  font-family: var(--serif);
  font-size: clamp(1.15rem, 1.8vw, 1.6rem);
  line-height: 1.6;
}

.about-hero__lede em {
  color: var(--orange);
  font-style: normal;
}

.about-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.about-hero__stats div {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding-left: 1rem;
  border-left: 1px solid var(--line);
}

.about-hero__stats b {
  color: var(--bone);
  font-size: clamp(1.2rem, 1.7vw, 1.7rem);
  line-height: 1;
  letter-spacing: -0.03em;
}

.about-hero__stats span {
  color: var(--muted);
  font-size: 0.49rem;
  line-height: 1.5;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.about-hero__watermark {
  position: absolute;
  right: -0.02em;
  bottom: -0.28em;
  z-index: 0;
  color: transparent;
  font-size: clamp(14rem, 37vw, 38rem);
  font-weight: 900;
  line-height: 0.8;
  letter-spacing: -0.09em;
  -webkit-text-stroke: 1px rgba(241, 237, 228, 0.055);
  pointer-events: none;
  user-select: none;
}

/* story */

.about-story {
  position: relative;
  overflow: hidden;
  padding: clamp(5rem, 9vw, 9rem) var(--gutter);
}

.about-story .wrap {
  width: min(var(--max), 100%);
}

.about-story__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding-bottom: 1.2rem;
  border-bottom: 1px solid var(--line-dark);
  color: var(--muted-dark);
  font-size: 0.55rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.about-story__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(18rem, 0.72fr);
  gap: clamp(3rem, 8vw, 10rem);
  padding-top: clamp(3.5rem, 7vw, 7rem);
}

.about-story__statement {
  position: relative;
}

.about-story__statement h2 {
  font-family: var(--serif);
  font-size: clamp(2.75rem, 5.5vw, 6.2rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.045em;
}

.about-story__statement h2 span {
  color: var(--orange-deep);
}

.origin-seal {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: clamp(8.5rem, 13vw, 12.5rem);
  aspect-ratio: 1;
  margin-top: clamp(2.5rem, 4vw, 4rem);
  border: 1px solid var(--line-dark-strong);
  border-radius: 50%;
}

.origin-seal__ring {
  position: absolute;
  inset: 9%;
  border: 1px dashed rgba(9, 8, 6, 0.26);
  border-radius: 50%;
  animation: spin 30s linear infinite;
}

.origin-seal__ring::before {
  content: "";
  position: absolute;
  top: -3px;
  left: 50%;
  width: 5px;
  height: 5px;
  background: var(--orange);
  border-radius: 50%;
  transform: translateX(-50%);
}

.origin-seal__core {
  color: var(--orange-deep);
  font-family: var(--serif);
  font-size: clamp(2.6rem, 4.5vw, 4.5rem);
  font-weight: 700;
  line-height: 1;
}

.origin-seal__en {
  position: absolute;
  bottom: 18%;
  color: var(--muted-dark);
  font-size: 0.4rem;
  line-height: 1.55;
  letter-spacing: 0.12em;
  text-align: center;
}

.about-story__text {
  padding-top: 0.4rem;
}

.about-story__text p {
  max-width: 31rem;
  color: var(--muted-dark);
  font-size: 0.87rem;
  line-height: 2;
}

.about-story__text p + p {
  margin-top: 1.5rem;
}

.about-story__text .about-lead {
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(1.2rem, 1.65vw, 1.55rem);
  font-weight: 600;
  line-height: 1.8;
  letter-spacing: -0.02em;
}

.about-facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: clamp(2.5rem, 4vw, 3.8rem);
  padding-top: 1.3rem;
  border-top: 1px solid var(--line-dark);
}

.about-facts div {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.about-facts b {
  color: var(--orange-deep);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
}

.about-facts span {
  font-size: 0.72rem;
  line-height: 1.55;
}

.about-pullquote {
  margin-top: clamp(4rem, 8vw, 8rem);
  padding: clamp(2.5rem, 5vw, 5rem) 0 clamp(1.5rem, 3vw, 3rem);
  border-top: 1px solid var(--line-dark);
}

.about-pullquote p {
  font-family: var(--serif);
  font-size: clamp(2.4rem, 5.8vw, 6.8rem);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.045em;
}

.about-pullquote p span {
  color: var(--orange-deep);
}

.about-pullquote cite {
  display: block;
  margin-top: 1.7rem;
  color: var(--muted-dark);
  font-family: var(--sans);
  font-size: 0.55rem;
  font-style: normal;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

/* timeline */

.about-timeline {
  position: relative;
  overflow: hidden;
  padding: clamp(5rem, 9vw, 9rem) var(--gutter);
  background:
    linear-gradient(rgba(241, 237, 228, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(241, 237, 228, 0.028) 1px, transparent 1px),
    var(--ink);
  background-size: 90px 90px;
}

.about-timeline .wrap {
  width: min(var(--max), 100%);
}

.about-timeline__head {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  padding-bottom: 1.2rem;
  border-bottom: 1px solid var(--line);
}

.about-timeline__head p {
  max-width: 25rem;
  color: var(--muted);
  font-size: 0.75rem;
  line-height: 1.8;
}

.about-timeline__grid {
  display: grid;
  grid-template-columns: minmax(15rem, 0.62fr) minmax(0, 1.38fr);
  gap: clamp(3rem, 8vw, 10rem);
  padding-top: clamp(3rem, 6vw, 6rem);
}

.about-timeline__intro {
  position: sticky;
  top: calc(var(--header-h) + 2.5rem);
  align-self: start;
}

.about-timeline__intro .section-title em {
  color: var(--orange);
}

.about-timeline__intro > p {
  max-width: 23rem;
  margin-top: 1.5rem;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.9;
}

.about-timeline__badge {
  display: inline-block;
  margin-top: 2.2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: rgba(241, 237, 228, 0.48);
  font-size: 0.52rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.timeline {
  position: relative;
  padding-top: 0.5rem;
  padding-left: 0;
  background-image: linear-gradient(var(--line), var(--line));
  background-repeat: no-repeat;
  background-size: 1px 100%;
  background-position: 6.2rem 0;
}

.timeline__item {
  display: grid;
  grid-template-columns: 5.4rem 1.5rem minmax(0, 1fr);
  gap: 0;
  padding: 0 0 clamp(2.4rem, 4vw, 3.8rem);
}

.timeline__item:last-child {
  padding-bottom: 0.4rem;
}

.timeline__year {
  padding-top: 0.15rem;
  color: var(--orange);
  font-size: clamp(0.85rem, 1.15vw, 1.05rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.04em;
}

.timeline__dot {
  position: relative;
  justify-self: center;
  width: 7px;
  height: 7px;
  margin-top: 0.5rem;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 5px rgba(255, 77, 18, 0.1);
}

.timeline__item--next .timeline__dot {
  background: var(--bone);
  box-shadow: 0 0 0 5px rgba(241, 237, 228, 0.08);
}

.timeline__body {
  padding-left: clamp(1rem, 2.5vw, 2.5rem);
}

.timeline__body .kicker {
  margin-bottom: 0.7rem;
  color: rgba(241, 237, 228, 0.45);
}

.timeline__body h3 {
  font-family: var(--serif);
  font-size: clamp(1.5rem, 2.5vw, 2.35rem);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.025em;
}

.timeline__body p {
  max-width: 35rem;
  margin-top: 0.8rem;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.85;
}

.timeline__item--next .timeline__body h3 {
  color: rgba(241, 237, 228, 0.72);
}

/* values */

.about-values {
  padding: clamp(5rem, 9vw, 9rem) var(--gutter);
}

.about-values .wrap {
  width: min(var(--max), 100%);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: clamp(2rem, 4vw, 4rem);
  border-top: 1px solid var(--line-dark);
  border-left: 1px solid var(--line-dark);
}

.value-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: clamp(14rem, 19vw, 19rem);
  padding: clamp(1.4rem, 2.4vw, 2.3rem);
  overflow: hidden;
  border-right: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  transition: background 0.4s var(--ease), color 0.4s var(--ease);
}

.value-card::after {
  content: "↗";
  position: absolute;
  top: 1.25rem;
  right: 1.3rem;
  color: var(--muted-dark);
  font-size: 1rem;
  opacity: 0;
  transform: translate(-4px, 4px);
  transition: opacity 0.35s ease, transform 0.4s var(--ease);
}

.value-card:hover {
  background: var(--orange);
}

.value-card:hover::after {
  color: var(--ink);
  opacity: 1;
  transform: translate(0, 0);
}

.value-card__num {
  color: var(--orange-deep);
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.12em;
}

.value-card__line {
  width: 2.2rem;
  height: 1px;
  margin: 1.2rem 0 auto;
  background: var(--line-dark-strong);
  transition: width 0.4s var(--ease), background 0.4s ease;
}

.value-card:hover .value-card__num {
  color: var(--ink);
}

.value-card:hover .value-card__line {
  width: 4.5rem;
  background: var(--ink);
}

.value-card h3 {
  margin-top: 1.4rem;
  font-family: var(--serif);
  font-size: clamp(1.7rem, 2.3vw, 2.2rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.03em;
}

.value-card p {
  margin-top: 0.8rem;
  color: var(--muted-dark);
  font-size: 0.77rem;
  line-height: 1.85;
  transition: color 0.4s ease;
}

.value-card:hover p {
  color: rgba(9, 8, 6, 0.72);
}

.about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.4rem;
}

.about-cta__actions .text-link {
  border-bottom-color: var(--line-strong);
}

/* responsive */

@media (max-width: 1060px) {
  .about-hero__rail {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .about-hero__stats {
    max-width: 38rem;
  }

  .about-story__grid {
    grid-template-columns: 1fr;
    gap: 3.5rem;
  }

  .about-story__text {
    max-width: 39rem;
  }

  .about-timeline__grid {
    grid-template-columns: 1fr;
    gap: 3.5rem;
  }

  .about-timeline__intro {
    position: static;
  }

  .about-timeline__intro > p {
    max-width: 34rem;
  }

  .values-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 760px) {
  .about-hero {
    min-height: auto;
  }

  .about-hero::before,
  .about-hero::after {
    top: 22%;
    right: -20%;
    width: 80vw;
  }

  .about-title {
    font-size: clamp(3.2rem, 12.2vw, 5.6rem);
  }

  .about-hero__grid {
    padding-block: 3rem 4rem;
  }

  .about-hero__micro {
    font-size: 0.5rem;
  }

  .about-hero__stats {
    grid-template-columns: 1fr;
    gap: 0;
    max-width: 100%;
    border-top: 1px solid var(--line);
  }

  .about-hero__stats div {
    display: grid;
    grid-template-columns: 4.5rem 1fr;
    align-items: baseline;
    padding: 0.7rem 0;
    border-bottom: 1px solid var(--line);
    border-left: 0;
  }

  .about-hero__stats span {
    font-size: 0.5rem;
  }

  .about-hero__watermark {
    font-size: 44vw;
    bottom: -0.08em;
    right: -0.04em;
  }

  .about-story__head {
    font-size: 0.48rem;
  }

  .about-story__head > span {
    display: none;
  }

  .about-story__statement h2 {
    font-size: clamp(2.4rem, 10.6vw, 4rem);
  }

  .origin-seal {
    position: absolute;
    right: 0;
    bottom: -5.6rem;
    width: 7rem;
    opacity: 0.55;
  }

  .about-facts {
    margin-top: 3rem;
  }

  .about-pullquote p {
    font-size: clamp(1.9rem, 8.4vw, 3.2rem);
  }

  .about-timeline__head {
    display: block;
  }

  .about-timeline__head p {
    margin-top: 0.8rem;
  }

  .about-timeline__intro .section-title {
    font-size: clamp(2.9rem, 12vw, 4.3rem);
  }

  .timeline {
    background-position: 0.55rem 0;
  }

  .timeline__item {
    grid-template-columns: 1.2rem minmax(0, 1fr);
    padding-bottom: 2.2rem;
  }

  .timeline__year {
    grid-column: 2;
    grid-row: 1;
    margin-bottom: 0.35rem;
    font-size: 0.8rem;
  }

  .timeline__dot {
    grid-column: 1;
    grid-row: 1;
    justify-self: start;
    margin-top: 0.4rem;
  }

  .timeline__body {
    grid-column: 2;
    grid-row: 2;
    padding-left: 0;
  }

  .timeline__body h3 {
    font-size: 1.55rem;
  }

  .values-grid {
    grid-template-columns: 1fr;
  }

  .value-card {
    min-height: 0;
    padding: 1.4rem;
  }

  .value-card h3 {
    margin-top: 0.8rem;
  }

  .value-card__line {
    margin-top: 0.8rem;
    margin-bottom: 0.2rem;
  }

  .value-card__num {
    position: absolute;
    top: 1.5rem;
    right: 1.4rem;
  }

  .value-card p {
    margin-top: 0.6rem;
  }

  .about-cta__actions {
    align-items: stretch;
    flex-direction: column;
  }

  .about-cta__actions .btn {
    width: 100%;
  }
}