.page-about {
  position: relative;
  background: var(--color-primary-deep);
  overflow-x: hidden;
}

.page-about img {
  max-width: 100%;
  height: auto;
}

.page-about figure {
  margin: 0;
}

/* Hero */
.page-about .about-hero {
  position: relative;
  padding-top: calc(var(--header-offset) + 44px);
  padding-bottom: 44px;
  background:
    linear-gradient(135deg, rgba(57, 255, 20, 0.06) 0%, transparent 42%),
    linear-gradient(315deg, rgba(255, 107, 53, 0.08) 0%, transparent 36%),
    var(--color-primary);
  border-bottom: 1px solid rgba(57, 255, 20, 0.22);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(160, 176, 201, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(160, 176, 201, 0.06) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 18px;
  background: linear-gradient(105deg, transparent 0 30%, var(--color-accent) 30% 36%, transparent 36% 66%, var(--color-accent-2) 66% 72%, transparent 72%);
  opacity: 0.38;
  pointer-events: none;
}

.page-about .about-hero__inner {
  position: relative;
  z-index: 1;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.page-about .about-hero__deco {
  position: absolute;
  top: -70px;
  right: -70px;
  width: 360px;
  height: 520px;
  clip-path: polygon(40% 0, 100% 0, 100% 62%, 0 100%);
  background: linear-gradient(135deg, rgba(57, 255, 20, 0.16), rgba(13, 42, 94, 0.12));
  pointer-events: none;
}

.page-about .breadcrumb {
  margin-bottom: 30px;
  color: var(--color-text-muted);
}

.page-about .breadcrumb__link {
  color: var(--color-accent);
  text-decoration: none;
}

.page-about .breadcrumb__link:hover {
  color: var(--color-text);
}

.page-about .about-hero__grid {
  display: grid;
  gap: 32px;
}

.page-about .about-hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.page-about .about-hero__kicker::before {
  content: "";
  width: 30px;
  height: 2px;
  background: var(--color-accent);
}

.page-about .about-hero h1 {
  margin: 0 0 20px;
  font-family: var(--font-heading);
  font-weight: 300;
  font-size: clamp(2.2rem, 6vw, 4.4rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.page-about .about-hero__lead {
  margin: 0;
  max-width: 56ch;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--color-text-muted);
}

.page-about .about-hero__meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  align-self: end;
  padding: 18px 16px;
  background: rgba(13, 42, 94, 0.55);
  border: 1px solid rgba(57, 255, 20, 0.18);
  border-radius: var(--radius-md);
}

.page-about .about-hero__meta-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-about .about-hero__meta-label {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
}

.page-about .stat-num {
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
  font-size: 2.4rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.page-about .stat-num__unit {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-accent);
}

/* Page index */
.page-about .about-index {
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 18px var(--container-padding);
  overflow-x: auto;
  border-top: 1px solid rgba(57, 255, 20, 0.14);
  border-bottom: 1px solid rgba(57, 255, 20, 0.14);
  scrollbar-width: none;
}

.page-about .about-index::-webkit-scrollbar {
  display: none;
}

.page-about .about-index__label {
  flex: 0 0 auto;
  padding: 6px 14px 6px 0;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  border-right: 1px solid rgba(160, 176, 201, 0.25);
}

.page-about .about-index__link {
  flex: 0 0 auto;
  padding: 8px 16px;
  border: 1px solid rgba(57, 255, 20, 0.25);
  border-radius: var(--radius-pill);
  font-size: 0.84rem;
  text-decoration: none;
  color: var(--color-text);
  transition: background var(--transition-base), color var(--transition-base), border-color var(--transition-base);
}

.page-about .about-index__link:hover {
  background: rgba(57, 255, 20, 0.12);
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* Sections */
.page-about .about-section {
  position: relative;
  padding: 64px 0 76px;
}

.page-about .about-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(105deg, transparent 0 30%, var(--color-accent) 30% 36%, transparent 36% 66%, var(--color-accent-2) 66% 72%, transparent 72%);
  opacity: 0.55;
}

.page-about .about-section--alt {
  background: rgba(13, 42, 94, 0.34);
}

.page-about .about-section--alt::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(160, 176, 201, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(160, 176, 201, 0.045) 1px, transparent 1px);
  background-size: 36px 36px;
  pointer-events: none;
}

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

.page-about .about-section__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: grid;
  gap: 32px;
}

.page-about .section-head__block {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 10px;
}

.page-about .section-head__index {
  font-size: 3.4rem;
  font-weight: 800;
  line-height: 0.9;
  letter-spacing: -0.03em;
  color: var(--color-accent);
}

.page-about .section-head__label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.page-about .section-head__title {
  margin: 0 0 8px;
  font-family: var(--font-heading);
  font-weight: 300;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.page-about .section-head__note {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* Origin */
.page-about .about-origin {
  display: grid;
  gap: 28px;
  align-items: start;
}

.page-about .about-origin__text {
  padding: 28px;
  background: linear-gradient(135deg, rgba(13, 42, 94, 0.92), rgba(13, 42, 94, 0.6));
  line-height: 1.85;
  color: var(--color-text);
}

.page-about .about-origin__text p {
  margin: 0 0 16px;
  font-size: 0.95rem;
}

.page-about .about-origin__text p:last-of-type {
  margin-bottom: 22px;
}

.page-about .about-origin__facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 18px;
  border-top: 1px solid rgba(57, 255, 20, 0.2);
  padding-top: 18px;
}

.page-about .about-origin__facts li {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-about .about-origin__facts span {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.page-about .about-origin__facts strong {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text);
}

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

.page-about .about-origin__figure img {
  display: block;
  width: 100%;
  clip-path: var(--clip-notch);
  border: 1px solid rgba(57, 255, 20, 0.2);
}

.page-about .about-origin__figure figcaption {
  margin-top: 10px;
  padding-left: 14px;
  border-left: 3px solid var(--color-accent);
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--color-text-muted);
}

/* Timeline */
.page-about .about-timeline {
  display: grid;
  gap: 28px;
}

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

.page-about .about-timeline__hero img {
  display: block;
  width: 100%;
  border: 1px solid rgba(57, 255, 20, 0.16);
}

.page-about .about-timeline__hero figcaption {
  margin-top: 10px;
  padding-left: 14px;
  border-left: 3px solid var(--color-accent-2);
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--color-text-muted);
}

.page-about .about-timeline__scroller {
  position: relative;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: thin;
  scrollbar-color: rgba(57, 255, 20, 0.5) transparent;
}

.page-about .about-timeline__track {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 24px 4px 32px;
  display: flex;
  gap: 28px;
  min-width: max-content;
}

.page-about .about-timeline__track::before {
  content: "";
  position: absolute;
  top: 23px;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, rgba(57, 255, 20, 0.55), rgba(57, 255, 20, 0.2) 50%, rgba(255, 107, 53, 0.55));
}

.page-about .about-timeline__item {
  position: relative;
  width: 250px;
  padding: 28px 20px 24px;
  background: linear-gradient(180deg, rgba(13, 42, 94, 0.95), rgba(13, 42, 94, 0.85));
  border: 1px solid rgba(57, 255, 20, 0.18);
  border-radius: var(--radius-md);
  transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.page-about .about-timeline__item::after {
  content: "";
  position: absolute;
  top: 0;
  left: -28px;
  width: 28px;
  height: 2px;
  background: rgba(57, 255, 20, 0.35);
}

.page-about .about-timeline__item:first-child::after {
  display: none;
}

.page-about .about-timeline__item:hover {
  transform: translateY(-6px);
  border-color: rgba(57, 255, 20, 0.6);
  box-shadow: 0 14px 36px rgba(57, 255, 20, 0.08);
}

.page-about .about-timeline__dot {
  position: absolute;
  top: -10px;
  left: 24px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 12px rgba(57, 255, 20, 0.55);
}

.page-about .about-timeline__dot::before {
  content: "";
  position: absolute;
  inset: -6px;
  border: 1px solid rgba(57, 255, 20, 0.4);
  border-radius: 50%;
}

.page-about .about-timeline__item--hot .about-timeline__dot {
  background: var(--color-accent-2);
  box-shadow: 0 0 14px rgba(255, 107, 53, 0.6);
}

.page-about .about-timeline__item--hot .about-timeline__dot::before {
  border-color: rgba(255, 107, 53, 0.45);
}

.page-about .about-timeline__tag {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  background: var(--color-accent-2);
}

.page-about .about-timeline__year {
  display: block;
  margin-bottom: 6px;
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--color-accent);
}

.page-about .about-timeline__item--hot .about-timeline__year {
  color: var(--color-accent-2);
}

.page-about .about-timeline__title {
  margin: 0 0 8px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text);
}

.page-about .about-timeline__desc {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--color-text-muted);
}

/* Credentials */
.page-about .about-cert {
  display: grid;
  gap: 28px;
  align-items: start;
}

.page-about .about-cert__figure {
  position: relative;
  max-width: 400px;
}

.page-about .about-cert__figure img {
  display: block;
  width: 100%;
  clip-path: var(--clip-corner);
  border: 1px solid rgba(57, 255, 20, 0.2);
}

.page-about .about-cert__figure figcaption {
  margin-top: 10px;
  padding-left: 14px;
  border-left: 3px solid var(--color-accent);
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--color-text-muted);
}

.page-about .about-cert__grid {
  display: grid;
  gap: 16px;
}

.page-about .about-cert__card {
  position: relative;
  padding: 20px 18px;
  background: rgba(10, 31, 68, 0.55);
  border: 1px solid rgba(160, 176, 201, 0.16);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius-md);
  transition: background var(--transition-base), border-color var(--transition-base), transform var(--transition-base);
}

.page-about .about-cert__card:hover {
  background: rgba(57, 255, 20, 0.08);
  border-left-color: var(--color-accent-2);
  transform: translateY(-3px);
}

.page-about .about-cert__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.page-about .about-cert__index {
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.page-about .about-cert__code {
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-size: 0.74rem;
  font-weight: 800;
  color: var(--color-accent);
  background: rgba(57, 255, 20, 0.1);
}

.page-about .about-cert__name {
  margin: 0 0 6px;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text);
}

.page-about .about-cert__desc {
  margin: 0;
  font-size: 0.87rem;
  line-height: 1.65;
  color: var(--color-text-muted);
}

/* Promise */
.page-about .about-promise {
  display: grid;
  gap: 24px;
}

.page-about .about-promise__lead {
  margin: 0;
  padding: 18px 20px;
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: linear-gradient(90deg, rgba(57, 255, 20, 0.12), transparent 72%);
  font-size: 1rem;
  line-height: 1.9;
  color: var(--color-text);
}

.page-about .about-promise__grid {
  display: grid;
  gap: 16px;
}

.page-about .about-promise__item {
  position: relative;
  padding: 24px 20px;
  background: rgba(13, 42, 94, 0.4);
  border: 1px solid rgba(160, 176, 201, 0.16);
  border-top: 3px solid var(--color-accent);
  border-radius: var(--radius-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.page-about .about-promise__item:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(57, 255, 20, 0.08);
}

.page-about .about-promise__item:nth-child(even) {
  border-top-color: var(--color-accent-2);
}

.page-about .about-promise__num {
  display: block;
  margin-bottom: 6px;
  font-size: 2.6rem;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--color-accent);
}

.page-about .about-promise__item:nth-child(even) .about-promise__num {
  color: var(--color-accent-2);
}

.page-about .about-promise__title {
  margin: 0 0 8px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
}

.page-about .about-promise__desc {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--color-text-muted);
}

/* CTA */
.page-about .about-cta {
  position: relative;
  padding: 72px 0;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
  border-top: 1px solid rgba(57, 255, 20, 0.2);
}

.page-about .about-cta::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -80px;
  width: 420px;
  height: 420px;
  background: repeating-linear-gradient(135deg, rgba(57, 255, 20, 0.07) 0 14px, transparent 14px 28px);
  transform: rotate(12deg);
  pointer-events: none;
}

.page-about .about-cta__inner {
  position: relative;
  z-index: 1;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  text-align: center;
}

.page-about .about-cta__kicker {
  display: inline-block;
  margin-bottom: 18px;
  padding: 6px 16px;
  border: 1px solid rgba(57, 255, 20, 0.4);
  border-radius: var(--radius-pill);
  background: rgba(57, 255, 20, 0.08);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.page-about .about-cta h2 {
  margin: 0 auto 16px;
  max-width: 18ch;
  font-family: var(--font-heading);
  font-weight: 300;
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.page-about .about-cta__text {
  margin: 0 auto;
  max-width: 42ch;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--color-text-muted);
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
  margin-top: 30px;
}

@media (min-width: 640px) {
  .page-about .about-origin__facts {
    grid-template-columns: repeat(3, 1fr);
  }

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

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

@media (min-width: 680px) {
  .page-about .about-cert {
    grid-template-columns: 200px 1fr;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero {
    padding-top: calc(var(--header-offset) + 64px);
    padding-bottom: 64px;
  }

  .page-about .about-hero__grid {
    grid-template-columns: 1.4fr 0.6fr;
    gap: 48px;
    align-items: end;
  }

  .page-about .about-hero__meta {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-about .about-hero__deco {
    display: block;
  }

  .page-about .about-section {
    padding: 96px 0 110px;
  }

  .page-about .about-section__inner {
    grid-template-columns: repeat(6, 1fr);
    gap: 48px 40px;
  }

  .page-about .section-head {
    grid-column: 1 / 3;
  }

  .page-about .about-origin,
  .page-about .about-timeline,
  .page-about .about-cert,
  .page-about .about-promise {
    grid-column: 3 / -1;
  }

  .page-about .about-origin {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 32px;
  }

  .page-about .about-cert {
    grid-template-columns: 260px 1fr;
    gap: 36px;
  }

  .page-about .about-cta {
    padding: 88px 0;
  }
}

@media (max-width: 480px) {
  .page-about .about-hero__deco {
    display: none;
  }

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

  .page-about .about-hero__meta-item {
    flex-direction: row;
    align-items: baseline;
    justify-content: space-between;
  }

  .page-about .stat-num {
    font-size: 2rem;
  }
}