.page-about {
  --about-pad: 24px;
  background: var(--c-paper);
  color: var(--c-ink);
  overflow-x: hidden;
  font-family: var(--font-body);
}

.page-about .container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding-left: var(--about-pad);
  padding-right: var(--about-pad);
}

/* ===== Hero ===== */
.about-hero {
  position: relative;
  background: var(--c-deep);
  color: var(--c-paper);
  padding: 88px 0 72px;
  overflow: hidden;
}

.about-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 42%;
  height: 100%;
  background: linear-gradient(160deg, rgba(255, 106, 19, 0.55), rgba(255, 106, 19, 0) 64%);
  pointer-events: none;
}

.about-hero::after {
  content: "";
  position: absolute;
  left: -8%;
  bottom: -52%;
  width: 34%;
  height: 150%;
  transform: rotate(18deg);
  background: rgba(57, 255, 136, 0.10);
  border: 1px solid rgba(57, 255, 136, 0.2);
  pointer-events: none;
}

.about-breadcrumb {
  margin-bottom: 36px;
  position: relative;
  z-index: 1;
}

.about-breadcrumb a {
  color: var(--c-green);
  text-decoration: none;
  border-bottom: 1px solid rgba(57, 255, 136, 0.4);
}

.about-breadcrumb a:hover {
  color: var(--c-orange);
  border-color: var(--c-orange);
}

.about-breadcrumb .breadcrumb-sep {
  color: rgba(245, 239, 230, 0.5);
  margin: 0 6px;
}

.about-breadcrumb [aria-current="page"] {
  color: rgba(245, 239, 230, 0.85);
}

.about-hero-grid {
  display: grid;
  gap: 36px;
  position: relative;
  z-index: 1;
}

.about-kicker {
  margin: 0 0 14px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-orange);
}

.about-hero-title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 38px;
  line-height: 1.18;
  letter-spacing: 0.01em;
  color: var(--c-paper);
}

.about-hero-sub {
  margin: 0 0 22px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--c-green);
}

.about-hero-lead {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.9;
  color: rgba(245, 239, 230, 0.86);
}

.about-hero-panel {
  list-style: none;
  margin: 0;
  padding: 24px 22px;
  background: var(--c-orange);
  color: var(--c-deep);
  clip-path: polygon(0 0, 100% 4%, 100% 96%, 0 100%);
  display: grid;
  gap: 14px;
  align-content: center;
}

.about-hero-fact {
  display: flex;
  align-items: baseline;
  gap: 8px;
  border-bottom: 1px solid rgba(10, 30, 61, 0.22);
  padding-bottom: 12px;
}

.about-hero-fact:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.about-hero-fact-num {
  font-family: var(--font-number);
  font-size: 36px;
  font-weight: 900;
  line-height: 1;
  color: var(--c-deep);
}

.about-hero-fact-label {
  font-size: 14px;
  font-weight: 700;
  color: var(--c-deep);
}

/* ===== Section base ===== */
.about-section {
  padding: 64px 0;
}

.about-section-head {
  margin-bottom: 36px;
}

.about-section-index {
  display: inline-block;
  font-family: var(--font-number);
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--c-orange);
  background: rgba(255, 106, 19, 0.08);
  border-left: 4px solid var(--c-orange);
  padding: 4px 12px;
  margin-bottom: 14px;
}

.about-section-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 30px;
  line-height: 1.28;
  color: var(--c-deep);
}

.about-section-sub {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(26, 26, 26, 0.7);
}

/* ===== Mission ===== */
.about-mission {
  background: var(--c-paper);
}

.about-mission-grid {
  display: grid;
  gap: 32px;
  align-items: center;
}

.about-mission-lead {
  margin: 0 0 14px;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.8;
  color: var(--c-deep);
}

.about-mission-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(26, 26, 26, 0.78);
}

.about-keyword-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.about-keyword-list li {
  border: 1px solid rgba(10, 30, 61, 0.18);
  border-left: 4px solid var(--c-orange);
  background: var(--c-white);
  padding: 12px 14px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(26, 26, 26, 0.82);
  box-shadow: 4px 4px 0 rgba(10, 30, 61, 0.06);
}

.about-keyword-list strong {
  color: var(--c-deep);
}

.about-mission-figure {
  margin: 0;
  border: 1px solid rgba(10, 30, 61, 0.2);
  background: var(--c-white);
  box-shadow: 10px 12px 0 rgba(10, 30, 61, 0.12);
}

.about-mission-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.about-fig-label {
  padding: 10px 14px;
  font-size: 13px;
  line-height: 1.6;
  color: rgba(26, 26, 26, 0.65);
  border-top: 1px solid rgba(10, 30, 61, 0.12);
  background: var(--c-paper);
}

/* ===== Timeline ===== */
.about-timeline-section {
  background:
    linear-gradient(rgba(10, 30, 61, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10, 30, 61, 0.03) 1px, transparent 1px);
  background-size: 28px 28px;
  border-top: 1px solid rgba(10, 30, 61, 0.1);
  border-bottom: 1px solid rgba(10, 30, 61, 0.1);
}

.about-timeline {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.about-timeline::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: rgba(10, 30, 61, 0.18);
}

.about-timeline-item {
  position: relative;
  padding-left: 36px;
}

.about-timeline-year {
  display: block;
  font-family: var(--font-number);
  font-size: 20px;
  font-weight: 900;
  line-height: 1.25;
  color: var(--c-deep);
}

.about-timeline-dot {
  position: absolute;
  left: 3px;
  top: 7px;
  width: 14px;
  height: 14px;
  background: var(--c-orange);
  box-shadow: 0 0 0 3px var(--c-paper);
  z-index: 1;
}

.about-timeline-card {
  margin-top: 14px;
  background: var(--c-white);
  border: 1px solid rgba(10, 30, 61, 0.16);
  padding: 14px 14px 12px;
  box-shadow: 5px 5px 0 rgba(10, 30, 61, 0.08);
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
}

.about-timeline-item:hover .about-timeline-card {
  border-color: var(--c-orange);
  box-shadow: 7px 7px 0 rgba(255, 106, 19, 0.28);
  transform: translateY(-2px);
}

.about-timeline-head {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--c-deep);
}

.about-timeline-text {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(26, 26, 26, 0.7);
}

/* ===== Stats ===== */
.about-stats {
  background: var(--c-deep);
  color: var(--c-paper);
}

.about-stats-head .about-section-title {
  color: var(--c-paper);
}

.about-stats-head .about-section-sub {
  color: rgba(245, 239, 230, 0.7);
}

.about-stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.about-stat {
  border: 1px solid rgba(245, 239, 230, 0.16);
  background: rgba(255, 255, 255, 0.04);
  padding: 20px 16px 18px;
}

.about-stat-value {
  display: flex;
  align-items: baseline;
}

.about-stat-num {
  font-family: var(--font-number);
  font-size: 40px;
  font-weight: 900;
  line-height: 1;
  color: var(--c-green);
}

.about-stat-unit {
  font-family: var(--font-number);
  font-size: 18px;
  font-weight: 700;
  color: var(--c-orange);
  margin-left: 3px;
}

.about-stat-label {
  display: block;
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: rgba(245, 239, 230, 0.78);
}

.about-stats-secondary {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid rgba(245, 239, 230, 0.14);
}

.about-stat-sm {
  border: none;
  background: transparent;
  padding: 0;
}

.about-stat-sm .about-stat-num {
  font-size: 26px;
}

.about-stat-sm .about-stat-label {
  font-size: 12px;
  color: rgba(245, 239, 230, 0.65);
}

.about-stats-pulse {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 32px 0 0;
  padding: 8px 14px;
  border: 1px solid rgba(57, 255, 136, 0.38);
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-green);
}

.about-stats-pulse::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-green);
  animation: about-pulse 1.8s ease-in-out infinite;
}

@keyframes about-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* ===== Team ===== */
.about-team-section {
  background: var(--c-white);
}

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

.about-team-col {
  order: 2;
}

.about-team-figure {
  order: 1;
  margin: 0;
  border: 1px solid rgba(10, 30, 61, 0.18);
  background: var(--c-paper);
  box-shadow: 10px 12px 0 rgba(10, 30, 61, 0.1);
}

.about-team-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.about-team-list {
  display: grid;
  gap: 14px;
  margin: 0;
}

.about-team-card {
  border: 1px solid rgba(10, 30, 61, 0.16);
  border-left: 5px solid var(--c-steel);
  background: var(--c-white);
  padding: 16px 16px 14px;
  box-shadow: 4px 4px 0 rgba(10, 30, 61, 0.05);
  transition: background 0.3s, border-color 0.3s, transform 0.3s;
}

.about-team-card:hover,
.about-team-card:focus-within {
  background: rgba(255, 106, 19, 0.06);
  border-left-color: var(--c-orange);
  transform: translateY(-2px);
}

.about-team-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 6px;
}

.about-team-role {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--c-deep);
}

.about-team-count {
  font-family: var(--font-number);
  font-size: 18px;
  font-weight: 900;
  color: var(--c-orange);
}

.about-team-detail {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(26, 26, 26, 0.72);
}

/* ===== Certificates ===== */
.about-cert-wrap {
  display: grid;
  gap: 30px;
  margin-top: 52px;
  padding-top: 40px;
  border-top: 1px solid rgba(10, 30, 61, 0.14);
}

.about-cert-heading {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--c-deep);
}

.about-cert-heading + .about-cert-heading {
  margin-top: 30px;
}

.about-cert-list {
  list-style: none;
  margin: 0 0 30px;
  padding: 0;
}

.about-cert-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 13px 0;
  border-bottom: 1px solid rgba(10, 30, 61, 0.12);
  font-size: 14px;
  line-height: 1.7;
  color: rgba(26, 26, 26, 0.82);
}

.about-cert-list li::before {
  content: "";
  flex: 0 0 8px;
  width: 8px;
  height: 8px;
  background: var(--c-green);
  margin-top: 9px;
}

.about-eco-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(26, 26, 26, 0.75);
}

.about-cert-figure {
  margin: 0;
  border: 1px solid rgba(10, 30, 61, 0.18);
  background: var(--c-paper);
  box-shadow: 8px 10px 0 rgba(10, 30, 61, 0.1);
}

.about-cert-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ===== Next ===== */
.about-next {
  background: var(--c-deep);
  color: var(--c-paper);
  padding: 72px 0;
}

.about-next-head {
  margin-bottom: 34px;
}

.about-next-head .about-section-index {
  background: rgba(255, 106, 19, 0.14);
}

.about-next-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 28px;
  line-height: 1.3;
  color: var(--c-paper);
}

.about-next-grid {
  display: grid;
  gap: 14px;
}

.about-next-card {
  display: block;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(245, 239, 230, 0.18);
  padding: 18px 16px;
  color: var(--c-paper);
  text-decoration: none;
  transition: border-color 0.3s, background 0.3s, transform 0.3s;
}

.about-next-card:hover,
.about-next-card:focus-visible {
  border-color: var(--c-orange);
  background: rgba(255, 106, 19, 0.1);
  transform: translateY(-2px);
}

.about-next-card-title {
  display: block;
  font-size: 16px;
  font-weight: 700;
  color: var(--c-paper);
}

.about-next-card-desc {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(245, 239, 230, 0.72);
}

.about-next-arrow {
  display: inline-block;
  margin-top: 12px;
  color: var(--c-green);
  font-size: 18px;
  font-weight: 700;
}

/* ===== Desktop ≥ 640px ===== */
@media (min-width: 640px) {
  .about-hero-title {
    font-size: 44px;
  }

  .about-hero-grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 36px;
    align-items: end;
  }

  .about-section-title {
    font-size: 34px;
  }

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

  .about-stats-secondary {
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
  }

  .about-next-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ===== Desktop ≥ 960px ===== */
@media (min-width: 960px) {
  .about-hero {
    padding: 128px 0 96px;
  }

  .about-hero-lead {
    font-size: 16px;
  }

  .about-hero-panel {
    padding: 28px 26px;
  }

  .about-hero-fact-num {
    font-size: 42px;
  }

  .about-section {
    padding: 88px 0;
  }

  .about-mission-grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 56px;
  }

  .about-timeline {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 16px;
    align-items: start;
  }

  .about-timeline::before {
    left: 0;
    right: 0;
    top: 41px;
    bottom: auto;
    width: auto;
    height: 2px;
    background: rgba(10, 30, 61, 0.2);
  }

  .about-timeline-item {
    padding-left: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .about-timeline-year {
    font-size: 20px;
    line-height: 1.25;
    margin-bottom: 10px;
  }

  .about-timeline-dot {
    position: relative;
    left: auto;
    top: auto;
    flex: 0 0 auto;
    width: 14px;
    height: 14px;
    margin-bottom: 16px;
    box-shadow: 0 0 0 3px rgba(10, 30, 61, 0.08);
  }

  .about-timeline-card {
    width: 100%;
    margin-top: 0;
  }

  .about-team-grid {
    grid-template-columns: 1fr 0.9fr;
    gap: 48px;
    align-items: center;
  }

  .about-team-col {
    order: 1;
  }

  .about-team-figure {
    order: 2;
  }

  .about-cert-wrap {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 52px;
    align-items: center;
  }

  .about-next {
    padding: 88px 0;
  }

  .about-next-title {
    font-size: 34px;
  }
}

/* ===== Desktop ≥ 1100px ===== */
@media (min-width: 1100px) {
  .about-next-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
  }

  .about-section-title {
    font-size: 38px;
  }

  .about-stat-num {
    font-size: 48px;
  }
}

/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
  .about-stats-pulse::before {
    animation: none;
  }

  .about-timeline-card,
  .about-team-card,
  .about-next-card {
    transition: none;
  }

  .about-timeline-item:hover .about-timeline-card,
  .about-team-card:hover,
  .about-team-card:focus-within,
  .about-next-card:hover,
  .about-next-card:focus-visible {
    transform: none;
  }
}