.page-about {
  --about-line: rgba(10, 42, 94, 0.14);
  --about-soft: rgba(10, 42, 94, 0.06);
  --about-grid-bg: linear-gradient(90deg, rgba(10, 42, 94, 0.05) 1px, transparent 1px),
                    linear-gradient(0deg, rgba(10, 42, 94, 0.05) 1px, transparent 1px);
  background: var(--cream);
  color: var(--ink);
  overflow-x: hidden;
}

.page-about .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(26, 26, 26, 0.5);
  padding: 0;
  margin: 0 0 24px;
}
.page-about .breadcrumb a {
  color: var(--blue);
  text-decoration: none;
}
.page-about .breadcrumb a:hover {
  text-decoration: underline;
}

.page-about .btn {
  border-radius: 999px;
}
.page-about .btn-primary {
  background: var(--blue);
}
.page-about .btn-secondary {
  background: var(--purple);
}
.page-about .btn-ghost {
  border-color: rgba(10, 42, 94, 0.24);
  color: var(--blue);
}

.page-about .tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--blue);
  background: rgba(10, 42, 94, 0.08);
  border-radius: 999px;
  padding: 4px 10px;
}

.page-about .about-hero {
  position: relative;
  background: var(--cream);
  overflow: hidden;
}
.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--about-grid-bg);
  background-size: 44px 44px;
  opacity: 0.5;
  pointer-events: none;
}
.page-about .about-hero::after {
  content: "";
  position: absolute;
  top: -20%;
  right: -15%;
  width: 60vw;
  height: 80vh;
  background: linear-gradient(135deg, var(--purple), var(--blue));
  clip-path: polygon(25% 0, 100% 0, 100% 100%, 0 100%);
  opacity: 0.14;
  pointer-events: none;
}
.page-about .about-hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  max-width: var(--container);
  margin: 0 auto;
  padding: calc(var(--header-space) + 24px) 20px 56px;
}
.page-about .about-hero__eyebrow {
  font-family: var(--font-head);
  font-size: 14px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--purple);
  margin: 0 0 12px;
}
.page-about .about-hero h1 {
  font-family: var(--font-head);
  font-size: clamp(34px, 6.4vw, 72px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--blue);
  margin: 0 0 20px;
  max-width: 11em;
}
.page-about .about-hero__lead {
  font-size: 17px;
  line-height: 1.7;
  color: rgba(26, 26, 26, 0.78);
  max-width: 34em;
  margin: 0 0 28px;
}
.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-about .about-hero__visual {
  position: relative;
  min-height: 240px;
  background: linear-gradient(135deg, var(--blue), var(--navy) 72%, var(--purple));
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.page-about .about-hero__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(36, 255, 143, 0.35) 48%, transparent 62%);
  mix-blend-mode: screen;
  pointer-events: none;
}
.page-about .about-hero__visual img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  min-height: 240px;
  object-fit: cover;
  display: block;
  filter: saturate(1.05) contrast(1.04);
}

.page-about .about-toc {
  display: flex;
  gap: 8px;
  padding: 16px 20px;
  max-width: 100vw;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  background: rgba(247, 243, 232, 0.88);
  border-bottom: 1px solid var(--about-line);
  backdrop-filter: blur(12px);
}
.page-about .about-toc::-webkit-scrollbar {
  display: none;
}
.page-about .about-toc a {
  flex: none;
  white-space: nowrap;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  padding: 6px 14px;
  border-radius: 999px;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--about-line);
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.page-about .about-toc a:hover,
.page-about .about-toc a:focus-visible {
  background: var(--blue);
  border-color: var(--blue);
  color: var(--white);
  outline: none;
}
.page-about .about-toc a[aria-current="true"],
.page-about .about-toc a.is-active {
  background: var(--blue);
  border-color: var(--blue);
  color: var(--white);
}

.page-about .about-origin {
  position: relative;
  background: var(--white);
}
.page-about .about-origin::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--about-grid-bg);
  background-size: 36px 36px;
  opacity: 0.35;
  pointer-events: none;
}
.page-about .about-origin__inner {
  position: relative;
  max-width: var(--container);
  margin: 0 auto;
  padding: 64px 20px 72px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}
.page-about .about-section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-head);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--blue);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.page-about .about-section-tag::before {
  content: "";
  width: 22px;
  height: 4px;
  background: var(--green);
  border-radius: 99px;
}
.page-about .about-origin h2,
.page-about .about-timeline h2,
.page-about .about-metrics h2,
.page-about .about-philosophy h2,
.page-about .about-compliance h2 {
  font-family: var(--font-head);
  font-size: clamp(28px, 4vw, 48px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0 0 16px;
}
.page-about .about-origin__lead {
  font-size: 19px;
  line-height: 1.7;
  color: rgba(26, 26, 26, 0.85);
  margin: 0 0 18px;
}
.page-about .about-origin p {
  font-size: 16px;
  line-height: 1.7;
  color: rgba(26, 26, 26, 0.72);
  margin: 0 0 14px;
}
.page-about .about-origin blockquote {
  margin: 24px 0;
  padding: 18px 20px;
  border-left: 4px solid var(--purple);
  background: var(--about-soft);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--blue);
}
.page-about .about-origin__aside {
  display: flex;
  align-items: center;
  justify-content: center;
}
.page-about .about-origin__note {
  position: relative;
  width: 100%;
  max-width: 360px;
  padding: 32px 28px 44px;
  background: linear-gradient(var(--about-soft), var(--about-soft)) padding-box,
              linear-gradient(135deg, var(--blue), var(--purple)) border-box;
  border: 1px solid transparent;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  text-align: center;
}
.page-about .about-origin__note::after {
  content: "";
  position: absolute;
  right: 12px;
  bottom: 12px;
  left: 12px;
  height: 6px;
  background: repeating-linear-gradient(90deg, var(--blue) 0 12px, transparent 12px 20px);
  border-radius: 99px;
  opacity: 0.5;
}
.page-about .about-origin__note-num {
  display: block;
  font-family: var(--font-number);
  font-size: 76px;
  line-height: 1;
  color: var(--blue);
}
.page-about .about-origin__note-label {
  display: block;
  margin-top: 8px;
  font-size: 15px;
  letter-spacing: 0.1em;
  color: rgba(26, 26, 26, 0.6);
}

.page-about .about-timeline {
  position: relative;
  background: var(--cream);
  padding: 72px 20px 88px;
  overflow: hidden;
}
.page-about .about-timeline::before {
  content: "";
  position: absolute;
  top: 8%;
  right: -10%;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(138, 79, 255, 0.14), transparent 68%);
  pointer-events: none;
}
.page-about .about-timeline__head {
  position: relative;
  max-width: 760px;
  margin: 0 auto 48px;
  text-align: center;
}
.page-about .about-timeline__head p {
  font-size: 16px;
  line-height: 1.7;
  color: rgba(26, 26, 26, 0.7);
  margin: 0;
}
.page-about .about-timeline__medal {
  position: relative;
  max-width: 420px;
  margin: -24px auto 40px;
  transform: rotate(2deg);
}
.page-about .about-timeline__medal img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.page-about .timeline-list {
  list-style: none;
  margin: 0 auto;
  padding: 0;
  position: relative;
  max-width: 920px;
}
.page-about .timeline-list::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--purple), var(--blue), var(--green));
  opacity: 0.5;
}
.page-about .timeline-item {
  position: relative;
  padding-left: 56px;
  margin-bottom: 36px;
}
.page-about .timeline-item__node {
  position: absolute;
  left: 4px;
  top: 4px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--purple);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 0 4px rgba(138, 79, 255, 0.18);
}
.page-about .timeline-item__year {
  color: var(--white);
  font-family: var(--font-number);
  font-size: 13px;
  font-weight: 800;
}
.page-about .timeline-item__card {
  background: var(--white);
  border: 1px solid var(--about-line);
  border-radius: var(--radius-md);
  padding: 22px 22px 24px;
  box-shadow: var(--shadow-card);
  position: relative;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.page-about .timeline-item__card::after {
  content: "";
  position: absolute;
  right: 14px;
  top: -6px;
  width: 64px;
  height: 6px;
  background: linear-gradient(90deg, var(--green), var(--purple));
  border-radius: 99px;
  opacity: 0.9;
}
.page-about .timeline-item__card:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 40px rgba(10, 20, 40, 0.15);
}
.page-about .timeline-item__card h3 {
  font-family: var(--font-head);
  font-size: 24px;
  line-height: 1.2;
  color: var(--ink);
  margin: 8px 0 10px;
}
.page-about .timeline-item__card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.65;
  color: rgba(26, 26, 26, 0.7);
}

.page-about .about-metrics {
  position: relative;
  background: var(--blue);
  color: var(--white);
  padding: 80px 20px 72px;
  overflow: hidden;
}
.page-about .about-metrics::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 8px;
  background: linear-gradient(90deg, var(--green), var(--purple));
}
.page-about .about-metrics::after {
  content: "";
  position: absolute;
  top: -30%;
  left: -20%;
  width: 80%;
  height: 80%;
  background: radial-gradient(circle, rgba(36, 255, 143, 0.22), transparent 65%);
  pointer-events: none;
}
.page-about .about-metrics__head {
  position: relative;
  max-width: 760px;
  margin: 0 auto 48px;
  text-align: center;
}
.page-about .about-metrics .about-section-tag {
  color: var(--green);
}
.page-about .about-metrics .about-section-tag::before {
  background: var(--green);
}
.page-about .about-metrics__head h2 {
  color: var(--white);
}
.page-about .about-metrics__head p {
  font-size: 16px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.72);
  margin: 0;
}
.page-about .about-metrics__grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  max-width: var(--container);
  margin: 0 auto 48px;
}
.page-about .about-metric {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-md);
  padding: 22px 18px;
  text-align: center;
  transition: background 0.2s ease;
}
.page-about .about-metric:hover {
  background: rgba(255, 255, 255, 0.12);
}
.page-about .about-metric__num {
  display: block;
  font-family: var(--font-number);
  font-size: clamp(36px, 5vw, 64px);
  line-height: 1;
  color: var(--green);
  letter-spacing: 0.01em;
  text-shadow: 0 0 24px rgba(36, 255, 143, 0.35);
}
.page-about .about-metric__unit {
  font-size: 0.42em;
  margin-left: 2px;
  color: var(--green);
  font-weight: 700;
  letter-spacing: 0.02em;
}
.page-about .about-metric__label {
  display: block;
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.4;
  color: rgba(255, 255, 255, 0.78);
  letter-spacing: 0.04em;
}
.page-about .about-metrics__media {
  position: relative;
  max-width: 640px;
  margin: 0 auto;
}
.page-about .about-metrics__media img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 420px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.3);
}

.page-about .about-philosophy {
  background: linear-gradient(135deg, var(--cream), #fdfbf5);
  padding: 80px 20px;
}
.page-about .about-philosophy__inner {
  max-width: var(--container);
  margin: 0 auto;
  text-align: center;
}
.page-about .about-philosophy__inner .about-section-tag {
  justify-content: center;
}
.page-about .about-philosophy__lead {
  font-family: var(--font-head);
  font-size: clamp(22px, 3.4vw, 36px);
  line-height: 1.3;
  color: var(--blue);
  margin: 8px 0 40px;
}
.page-about .about-philosophy__cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  max-width: 1000px;
  margin: 0 auto 36px;
  text-align: left;
}
.page-about .about-philosophy__card {
  position: relative;
  background: var(--white);
  border: 1px solid var(--about-line);
  border-radius: var(--radius-lg);
  padding: 30px 24px 28px;
  box-shadow: var(--shadow-card);
  overflow: hidden;
}
.page-about .about-philosophy__card::after {
  content: "";
  position: absolute;
  right: -30px;
  top: -30px;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: rgba(138, 79, 255, 0.12);
  pointer-events: none;
}
.page-about .about-philosophy__index {
  display: inline-flex;
  font-family: var(--font-number);
  font-size: 56px;
  line-height: 1;
  color: var(--purple);
  opacity: 0.45;
}
.page-about .about-philosophy__card h3 {
  font-family: var(--font-head);
  font-size: 26px;
  color: var(--ink);
  margin: 14px 0 8px;
}
.page-about .about-philosophy__card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.65;
  color: rgba(26, 26, 26, 0.68);
}
.page-about .about-philosophy__footnote {
  color: rgba(26, 26, 26, 0.62);
  font-size: 15px;
  margin: 0;
}

.page-about .about-compliance {
  background: var(--white);
  padding: 72px 20px 88px;
}
.page-about .about-compliance__inner {
  max-width: 880px;
  margin: 0 auto;
}
.page-about .about-compliance h2 {
  margin-bottom: 12px;
}
.page-about .about-compliance p {
  font-size: 16px;
  line-height: 1.7;
  color: rgba(26, 26, 26, 0.72);
  margin: 0 0 20px;
}
.page-about .about-compliance__list {
  list-style: none;
  padding: 0;
  margin: 24px 0 32px;
  display: grid;
  gap: 12px;
}
.page-about .about-compliance__list li {
  position: relative;
  padding-left: 34px;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
}
.page-about .about-compliance__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--green);
  opacity: 0.85;
}
.page-about .about-compliance__contacts {
  display: grid;
  gap: 10px;
  margin: 0 0 28px;
  background: var(--about-soft);
  border: 1px solid var(--about-line);
  border-radius: var(--radius-md);
  padding: 22px 24px;
}
.page-about .about-compliance__contacts p {
  margin: 0;
  font-size: 15px;
  color: var(--ink);
}

@media (min-width: 900px) {
  .page-about .timeline-list::before {
    left: 50%;
    transform: translateX(-50%);
  }
  .page-about .timeline-item {
    width: 50%;
    padding-left: 0;
    padding-right: 56px;
  }
  .page-about .timeline-item:nth-child(even) {
    margin-left: 50%;
    padding-left: 56px;
    padding-right: 0;
  }
  .page-about .timeline-item__node {
    left: auto;
    right: -16px;
    top: 8px;
  }
  .page-about .timeline-item:nth-child(even) .timeline-item__node {
    right: auto;
    left: -16px;
  }
  .page-about .timeline-item:nth-child(even) .timeline-item__card::after {
    right: auto;
    left: 14px;
  }
  .page-about .about-metrics__grid {
    grid-template-columns: repeat(5, 1fr);
    gap: 18px;
  }
  .page-about .about-philosophy__cards {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
}

@media (min-width: 1024px) {
  .page-about .about-hero__inner {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
    gap: 48px;
    padding-top: calc(var(--header-space) + 40px);
    padding-bottom: 88px;
  }
  .page-about .about-hero__visual {
    clip-path: polygon(14% 0, 100% 0, 100% 82%, 0 100%);
    min-height: 420px;
    border-radius: var(--radius-md) 0 var(--radius-lg) var(--radius-lg);
  }
  .page-about .about-hero__visual img {
    min-height: 420px;
  }
  .page-about .about-toc {
    position: fixed;
    top: 50%;
    right: 24px;
    transform: translateY(-50%);
    flex-direction: column;
    width: auto;
    max-width: 220px;
    padding: 12px;
    border: 1px solid var(--about-line);
    border-radius: 28px;
    bottom: auto;
    background: rgba(247, 243, 232, 0.92);
    box-shadow: var(--shadow-card);
    backdrop-filter: blur(14px);
  }
  .page-about .about-toc a {
    text-align: left;
  }
  .page-about .about-origin__inner {
    grid-template-columns: 3fr 2fr;
    align-items: center;
    gap: 56px;
    padding: 88px 32px;
  }
  .page-about .about-timeline {
    padding: 88px 32px 104px;
  }
  .page-about .about-philosophy {
    padding: 96px 32px;
  }
  .page-about .about-compliance {
    padding: 88px 32px 96px;
  }
}
