.page-about {
  --about-line: rgba(10, 61, 110, 0.15);
  --about-accent-line: rgba(255, 90, 31, 0.6);
  --about-gold: #E4B363;
  --about-dark: #1B3A4B;
  --about-grid: #B5C4D1;
  --about-space-unit: 12px;
  background: #F8F9FA;
  color: #1B3A4B;
}

.page-about .container {
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(16px, 4vw, 48px);
  padding-right: clamp(16px, 4vw, 48px);
}

.page-about .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 16px clamp(16px, 4vw, 48px);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  color: rgba(248, 249, 250, 0.85);
  background: #0A3D6E;
  border-bottom: 1px solid rgba(228, 179, 99, 0.25);
}

.page-about .breadcrumb a {
  color: #E4B363;
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-about .breadcrumb a:hover {
  color: #FF5A1F;
}

.page-about .breadcrumb__current {
  color: rgba(248, 249, 250, 0.9);
  font-weight: 500;
}

.page-about .about-hero {
  position: relative;
  min-height: clamp(480px, 72vh, 640px);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: #0A3D6E;
}

.page-about .about-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.page-about .about-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(76deg, rgba(10, 61, 110, 0.94) 0%, rgba(10, 61, 110, 0.68) 40%, rgba(10, 61, 110, 0.18) 72%, rgba(228, 179, 99, 0.2) 100%);
}

.page-about .about-hero__overlay::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.7), transparent 85%);
}

.page-about .about-hero__content {
  position: relative;
  z-index: 2;
  padding-top: 120px;
  padding-bottom: clamp(40px, 7vw, 84px);
  width: 100%;
}

.page-about .about-hero .section-label {
  margin-bottom: 16px;
}

.page-about .about-hero h1 {
  font-family: var(--font-head);
  font-size: clamp(1.55rem, 4vw, 2.85rem);
  font-weight: 900;
  line-height: 1.22;
  color: #F8F9FA;
  letter-spacing: 0.01em;
  max-width: 720px;
  margin: 0 0 20px;
  text-shadow: 0 2px 20px rgba(10, 61, 110, 0.45);
}

.page-about .about-hero__lead {
  font-family: var(--font-body);
  font-size: clamp(0.98rem, 1.4vw, 1.14rem);
  line-height: 1.75;
  color: rgba(248, 249, 250, 0.92);
  max-width: 600px;
  margin: 0 0 32px;
}

.page-about .about-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  padding-top: 20px;
  border-top: 1px solid rgba(248, 249, 250, 0.28);
  font-family: var(--font-num);
  font-size: 0.88rem;
  letter-spacing: 0.04em;
  color: #E4B363;
}

.page-about .about-chapter {
  position: relative;
}

.page-about .about-chapter::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, #FF5A1F 0%, rgba(255, 90, 31, 0) 30%);
}

.page-about .chapter {
  display: flex;
  align-items: flex-start;
  gap: clamp(16px, 3vw, 36px);
  margin-bottom: clamp(36px, 5vw, 64px);
  padding-top: clamp(36px, 5vw, 64px);
}

.page-about .chapter__index {
  font-family: var(--font-num);
  font-size: clamp(3.2rem, 7.5vw, 5.5rem);
  font-weight: 400;
  line-height: 0.9;
  color: transparent;
  -webkit-text-stroke: 2px rgba(10, 61, 110, 0.4);
  letter-spacing: -0.04em;
  flex-shrink: 0;
  min-width: 0.8em;
}

.page-about .chapter__title {
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 3.4vw, 2.4rem);
  font-weight: 900;
  line-height: 1.25;
  color: #0A3D6E;
  margin: 0 0 12px;
  position: relative;
  display: inline-block;
}

.page-about .chapter__title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, #FF5A1F 0%, #E4B363 60%, transparent 100%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.page-about .chapter:hover .chapter__title::after {
  transform: scaleX(1);
}

.page-about .chapter__lead {
  font-family: var(--font-body);
  font-size: clamp(0.96rem, 1.4vw, 1.08rem);
  line-height: 1.7;
  color: #3E5A70;
  margin: 0;
  max-width: 640px;
}

.page-about .section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-num);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #FF5A1F;
}

.page-about .section-label::before {
  content: "";
  width: 24px;
  height: 1px;
  background: #FF5A1F;
}

.page-about .section-label--on-dark::before {
  background: #E4B363;
}

.page-about .section-label--on-dark {
  color: #E4B363;
}

.page-about .section {
  background: #F8F9FA;
}

.page-about .section--alt {
  background: #F0F3F6;
  position: relative;
  overflow: hidden;
}

.page-about .section--alt::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(rgba(10, 61, 110, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10, 61, 110, 0.05) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

.page-about .section--alt .container {
  position: relative;
  z-index: 1;
}

.page-about .section--dark {
  background: #1B3A4B;
  position: relative;
}

.page-about .section--dark::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(rgba(248, 249, 250, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(248, 249, 250, 0.05) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

.page-about .section--dark .container {
  position: relative;
  z-index: 1;
}

.page-about .section--dark .chapter__index {
  -webkit-text-stroke-color: rgba(228, 179, 99, 0.65);
}

.page-about .section--dark .chapter__title {
  color: #F8F9FA;
}

.page-about .section--dark .chapter__title::after {
  background: linear-gradient(90deg, #E4B363 0%, rgba(228, 179, 99, 0.2) 100%);
}

.page-about .section--dark .chapter__lead {
  color: rgba(248, 249, 250, 0.82);
}

.page-about .section--dark .section-label {
  color: #E4B363;
}

.page-about .section--dark .section-label::before {
  background: #E4B363;
}

.page-about .section--tight {
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-about .about-origin__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: start;
}

.page-about .about-origin__prose {
  font-size: 1rem;
  line-height: 1.85;
  color: #2E4A61;
}

.page-about .about-origin__prose p {
  margin-bottom: 1.4em;
}

.page-about .about-origin__prose p:first-child::first-letter {
  font-family: var(--font-head);
  font-size: 2.6em;
  font-weight: 900;
  color: #FF5A1F;
  float: left;
  line-height: 0.9;
  padding-right: 8px;
  padding-top: 4px;
}

.page-about .about-origin__data {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(12px, 2vw, 24px);
}

.page-about .about-origin__data .data-panel {
  position: relative;
  background: #FFFFFF;
  border-left: 4px solid #00C2A8;
  border-radius: 0;
  box-shadow: 10px 10px 0 rgba(10, 61, 110, 0.08);
  padding: clamp(20px, 3vw, 32px);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.page-about .about-origin__data .data-panel::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  border-style: solid;
  border-width: 0 26px 26px 0;
  border-color: transparent #F0F3F6 transparent transparent;
}

.page-about .about-origin__data .data-panel:hover {
  transform: translateY(-4px);
  box-shadow: 14px 14px 0 rgba(10, 61, 110, 0.12);
}

.page-about .about-origin__data .data-panel--accent {
  border-left-color: #FF5A1F;
}

.page-about .data-panel__label {
  display: block;
  font-family: var(--font-body);
  font-size: 0.86rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: #3E5A70;
  margin-bottom: 12px;
}

.page-about .data-panel__value {
  display: block;
  font-family: var(--font-num);
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  font-weight: 500;
  line-height: 1.1;
  color: #00C2A8;
  margin-bottom: 12px;
}

.page-about .data-panel--accent .data-panel__value {
  color: #FF5A1F;
}

.page-about .data-panel__desc {
  font-family: var(--font-body);
  font-size: 0.9rem;
  line-height: 1.65;
  color: #3E5A70;
  margin: 0;
}

.page-about .about-milestone {
  position: relative;
  background: rgba(10, 61, 110, 0.06);
  border-top: 1px solid var(--about-line);
  border-bottom: 1px solid var(--about-line);
  overflow: hidden;
  margin-top: clamp(32px, 5vw, 56px);
}

.page-about .about-milestone::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, rgba(228, 179, 99, 0.08) 0%, rgba(10, 61, 110, 0.04) 30%, rgba(10, 61, 110, 0.04) 70%, rgba(228, 179, 99, 0.08) 100%);
  pointer-events: none;
}

.page-about .about-milestone__head {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px clamp(16px, 4vw, 48px);
  border-bottom: 1px solid var(--about-line);
}

.page-about .coord {
  font-family: var(--font-num);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  color: rgba(10, 61, 110, 0.45);
  text-transform: uppercase;
}

.page-about .about-milestone__scroll {
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(10, 61, 110, 0.3) transparent;
  padding-bottom: 8px;
  position: relative;
}

.page-about .about-milestone__scroll::-webkit-scrollbar {
  height: 4px;
}

.page-about .about-milestone__scroll::-webkit-scrollbar-track {
  background: rgba(10, 61, 110, 0.06);
}

.page-about .about-milestone__scroll::-webkit-scrollbar-thumb {
  background: rgba(10, 61, 110, 0.25);
  border-radius: 0;
}

.page-about .about-milestone__track {
  display: flex;
  min-width: max-content;
  padding: clamp(32px, 6vw, 72px) clamp(16px, 4vw, 56px);
  gap: 0;
  position: relative;
}

.page-about .about-milestone__track::before {
  content: "";
  position: absolute;
  top: 50%;
  left: clamp(16px, 4vw, 56px);
  right: clamp(16px, 4vw, 56px);
  height: 2px;
  background: linear-gradient(90deg, rgba(10, 61, 110, 0.12) 0%, rgba(255, 90, 31, 0.4) 50%, rgba(10, 61, 110, 0.12) 100%);
  transform: translateY(-50%);
}

.page-about .about-milestone__track::after {
  content: "";
  position: absolute;
  top: 50%;
  left: clamp(16px, 4vw, 56px);
  right: clamp(16px, 4vw, 56px);
  height: 1px;
  background-image: linear-gradient(90deg, rgba(255, 255, 255, 0.6) 50%, transparent 50%);
  background-size: 16px 1px;
  transform: translateY(4px);
}

.page-about .about-milestone__item {
  position: relative;
  width: 180px;
  padding: 0 20px;
  flex-shrink: 0;
}

.page-about .about-milestone__item::before {
  content: "";
  position: relative;
  display: block;
  width: 12px;
  height: 12px;
  background: #F8F9FA;
  border: 3px solid #0A3D6E;
  border-radius: 50%;
  margin: 0 auto 24px;
  z-index: 2;
  box-shadow: 0 0 0 4px rgba(10, 61, 110, 0.12);
}

.page-about .about-milestone__item--current::before {
  background: #FF5A1F;
  border-color: #FF5A1F;
  box-shadow: 0 0 0 6px rgba(255, 90, 31, 0.18);
  animation: about-pulse 2s ease-out infinite;
}

.page-about .about-milestone__item:nth-child(odd)::before {
  margin-bottom: 48px;
}

.page-about .about-milestone__item:nth-child(even)::before {
  margin-top: 48px;
}

.page-about .about-milestone__item:nth-child(odd) {
  text-align: center;
  padding-top: 0;
}

.page-about .about-milestone__item:nth-child(even) {
  text-align: center;
}

.page-about .about-milestone__item:nth-child(odd) .about-milestone__date {
  position: absolute;
  top: -48px;
  left: 50%;
  transform: translateX(-50%);
}

.page-about .about-milestone__item:nth-child(even) .about-milestone__date {
  position: absolute;
  bottom: -48px;
  left: 50%;
  transform: translateX(-50%);
}

.page-about .about-milestone__date {
  font-family: var(--font-num);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: #FF5A1F;
  white-space: nowrap;
}

.page-about .about-milestone__item h3 {
  font-family: var(--font-head);
  font-size: 1.06rem;
  font-weight: 800;
  color: #0A3D6E;
  margin: 0 0 8px;
  line-height: 1.3;
}

.page-about .about-milestone__item p {
  font-family: var(--font-body);
  font-size: 0.84rem;
  line-height: 1.6;
  color: #3E5A70;
  margin: 0;
}

.page-about .about-mission__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}

.page-about .about-mission__media {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(10, 61, 110, 0.12);
  box-shadow: 12px 12px 0 rgba(10, 61, 110, 0.07);
}

.page-about .about-mission__media::before {
  content: "";
  position: absolute;
  top: 12px;
  left: 12px;
  right: 12px;
  bottom: 12px;
  border: 1px solid rgba(228, 179, 99, 0.6);
  z-index: 2;
  pointer-events: none;
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 18px 100%, 0 calc(100% - 18px));
}

.page-about .about-mission__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.06);
  transition: transform 0.5s ease;
}

.page-about .about-mission__media:hover img {
  transform: scale(1.02);
}

.page-about .about-mission__content .prose {
  font-size: 1.04rem;
  line-height: 1.85;
  color: #2E4A61;
  margin-bottom: 32px;
}

.page-about .about-mission__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid rgba(10, 61, 110, 0.08);
}

.page-about .about-mission__list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid rgba(10, 61, 110, 0.08);
  transition: background 0.25s ease;
}

.page-about .about-mission__list li:hover {
  background: rgba(255, 90, 31, 0.03);
}

.page-about .about-mission__num {
  font-family: var(--font-num);
  font-size: 0.9rem;
  font-weight: 500;
  color: #E4B363;
  line-height: 1.4;
  padding-top: 4px;
  letter-spacing: 0.06em;
}

.page-about .about-mission__list h3 {
  font-family: var(--font-head);
  font-size: 1.2rem;
  font-weight: 800;
  color: #0A3D6E;
  margin: 0 0 6px;
}

.page-about .about-mission__list p {
  font-family: var(--font-body);
  font-size: 0.92rem;
  line-height: 1.7;
  color: #3E5A70;
  margin: 0;
}

.page-about .about-team__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-about .about-team__card {
  position: relative;
  background: rgba(248, 249, 250, 0.06);
  border: 1px solid rgba(248, 249, 250, 0.1);
  padding: clamp(24px, 3vw, 36px);
  transition: background 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
}

.page-about .about-team__card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 3px;
  background: #E4B363;
  transition: width 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.page-about .about-team__card:hover {
  background: rgba(248, 249, 250, 0.1);
  transform: translateY(-3px);
  border-color: rgba(228, 179, 99, 0.35);
}

.page-about .about-team__card:hover::before {
  width: 100%;
}

.page-about .about-team__tag {
  display: inline-block;
  font-family: var(--font-num);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #E4B363;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(228, 179, 99, 0.3);
}

.page-about .about-team__card h3 {
  font-family: var(--font-head);
  font-size: 1.28rem;
  font-weight: 800;
  color: #F8F9FA;
  margin: 0 0 10px;
}

.page-about .about-team__card p {
  font-family: var(--font-body);
  font-size: 0.92rem;
  line-height: 1.7;
  color: rgba(248, 249, 250, 0.78);
  margin: 0;
}

.page-about .about-cta {
  background: #F8F9FA;
  position: relative;
}

.page-about .about-cta__inner {
  position: relative;
  padding: clamp(40px, 6vw, 80px) clamp(16px, 4vw, 48px);
  background: #F8F9FA;
  border: 1px solid rgba(10, 61, 110, 0.1);
  border-left: 6px solid #FF5A1F;
  box-shadow: 8px 8px 0 rgba(10, 61, 110, 0.05);
  overflow: hidden;
}

.page-about .about-cta__inner::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 28%;
  background-image:
    linear-gradient(rgba(10, 61, 110, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10, 61, 110, 0.06) 1px, transparent 1px);
  background-size: 24px 24px;
  clip-path: polygon(12% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-about .about-cta__inner h2 {
  font-family: var(--font-head);
  font-size: clamp(1.4rem, 2.8vw, 2rem);
  font-weight: 900;
  color: #0A3D6E;
  margin: 0 0 14px;
  position: relative;
}

.page-about .about-cta__inner p {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.75;
  color: #3E5A70;
  margin: 0 0 28px;
  max-width: 560px;
  position: relative;
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  position: relative;
}

.page-about .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.22s ease;
  line-height: 1.2;
}

.page-about .btn--primary {
  background: #FF5A1F;
  color: #FFFFFF;
  border-color: #FF5A1F;
  box-shadow: 4px 4px 0 rgba(255, 90, 31, 0.25);
}

.page-about .btn--primary:hover {
  background: #E84A12;
  border-color: #E84A12;
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0 rgba(255, 90, 31, 0.3);
}

.page-about .btn--ghost {
  background: transparent;
  color: #0A3D6E;
  border-color: #0A3D6E;
}

.page-about .btn--ghost:hover {
  background: rgba(10, 61, 110, 0.06);
  border-color: #0A3D6E;
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 rgba(10, 61, 110, 0.1);
}

@media (min-width: 640px) {
  .page-about .about-origin__data {
    grid-template-columns: 1fr 1fr;
  }

  .page-about .about-team__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 960px) {
  .page-about .about-origin__grid {
    grid-template-columns: 1.3fr 1fr;
  }

  .page-about .about-mission__grid {
    grid-template-columns: 0.9fr 1.1fr;
  }

  .page-about .about-mission__media {
    order: 0;
  }

  .page-about .about-team__grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-about .about-team__card:nth-child(2) {
    transform: translateY(18px);
  }

  .page-about .about-team__card:nth-child(4) {
    transform: translateY(18px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-milestone__item--current::before {
    animation: none;
  }

  .page-about .about-mission__media:hover img {
    transform: none;
  }

  .page-about .btn--primary:hover,
  .page-about .btn--ghost:hover {
    transform: none;
  }
}

@keyframes about-pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(255, 90, 31, 0.4);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(255, 90, 31, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(255, 90, 31, 0);
  }
}
