.page-about {
  --about-panel-bg: rgba(19, 43, 92, 0.55);
  --about-accent-glow: rgba(255, 107, 0, 0.18);
  --about-data-glow: rgba(57, 255, 20, 0.12);
  --about-line: rgba(229, 233, 240, 0.14);
  --about-deep-purple: #1A1240;
  --about-stat-bg: rgba(10, 31, 68, 0.72);
  --about-year-size: clamp(3rem, 8vw, 5.5rem);

  background:
    linear-gradient(135deg, var(--c-deep) 0%, var(--about-deep-purple) 100%);
  color: var(--c-text);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  padding: 0;
}

.page-about .breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: rgba(229, 233, 240, 0.7);
  padding: 1.25rem 1.25rem 0;
}

.page-about .breadcrumb a {
  color: var(--c-accent);
  text-decoration: none;
  transition: color 0.2s;
}

.page-about .breadcrumb a:hover {
  color: var(--c-white);
}

.page-about .about-hero {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  padding: 2.5rem 1.25rem 3.5rem;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  height: 100%;
  background:
    linear-gradient(155deg, transparent 0 62%, var(--c-deep-2) 62% 100%);
  pointer-events: none;
}

.page-about .about-hero-copy {
  position: relative;
  z-index: 1;
}

.page-about .about-eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  color: var(--c-data);
  text-transform: uppercase;
  margin-bottom: 0.75rem;
  padding-left: 0.75rem;
  border-left: 3px solid var(--c-accent);
}

.page-about .about-hero h1 {
  font-family: var(--font-title);
  font-size: 2.1rem;
  line-height: 1.18;
  color: var(--c-white);
  margin-bottom: 1rem;
  letter-spacing: 0.01em;
}

.page-about .about-hero-lead {
  font-size: 1rem;
  line-height: 1.7;
  max-width: 46ch;
  margin-bottom: 1.75rem;
}

.page-about .about-hero-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  max-width: 480px;
}

.page-about .hero-stat {
  background: var(--about-stat-bg);
  border: 1px solid var(--about-line);
  border-radius: var(--radius);
  padding: 1rem 0.9rem;
  text-align: center;
  backdrop-filter: blur(4px);
}

.page-about .stat-num,
.page-about .eco-stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--c-data);
  text-shadow: 0 0 18px var(--about-data-glow);
}

.page-about .stat-label,
.page-about .eco-stat-label {
  display: block;
  font-size: 0.8rem;
  color: rgba(229, 233, 240, 0.72);
  margin-top: 0.35rem;
}

.page-about .about-hero-visual {
  position: relative;
  z-index: 1;
}

.page-about .about-hero-img {
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--about-line);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
}

.page-about .hero-visual-tag {
  display: inline-block;
  margin-top: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--c-accent);
  background: var(--about-accent-glow);
  border: 1px solid rgba(255, 107, 0, 0.35);
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius);
}

.page-about .about-section {
  position: relative;
  padding: 3.25rem 1.25rem;
}

.page-about .about-section + .about-section {
  border-top: 1px solid var(--about-line);
}

.page-about .about-section-header {
  margin-bottom: 2rem;
}

.page-about .about-section-no {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--c-accent);
  letter-spacing: 0.14em;
  margin-bottom: 0.4rem;
}

.page-about .about-section h2 {
  font-family: var(--font-title);
  font-size: 1.75rem;
  line-height: 1.2;
  color: var(--c-white);
  margin-bottom: 0.5rem;
}

.page-about .about-section-desc {
  font-size: 0.95rem;
  color: rgba(229, 233, 240, 0.68);
}

.page-about .positioning-layout {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.page-about .positioning-copy {
  font-size: 1rem;
}

.page-about .positioning-copy p + p,
.page-about .eco-content p + p {
  margin-top: 1rem;
}

.page-about .positioning-aside {
  background: var(--about-panel-bg);
  border-left: 3px solid var(--c-accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 1.25rem;
}

.page-about .positioning-list,
.page-about .team-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .positioning-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.95rem;
  padding: 0.45rem 0;
}

.page-about .list-marker {
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--c-data);
  margin-top: 0.5rem;
  transform: rotate(45deg);
}

.page-about .about-milestones {
  background: linear-gradient(180deg, var(--c-blue-deep) 0%, var(--c-deep) 100%);
}

.page-about .milestone-timeline {
  position: relative;
  padding-left: 1.5rem;
}

.page-about .milestone-line {
  position: absolute;
  left: 5px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--c-accent) 0%, var(--c-data) 100%);
  opacity: 0.7;
}

.page-about .milestone-item {
  position: relative;
  padding: 0 0 2.25rem 1rem;
}

.page-about .milestone-item::before {
  content: "";
  position: absolute;
  left: -1.54rem;
  top: 0.6rem;
  width: 11px;
  height: 11px;
  background: var(--c-accent);
  transform: rotate(45deg);
  box-shadow: 0 0 0 4px var(--c-deep), 0 0 16px var(--c-accent);
  border-radius: 1px;
}

.page-about .milestone-year {
  font-family: var(--font-title);
  font-size: var(--about-year-size);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--c-deep-2);
  text-shadow: 0 0 0 rgba(255, 107, 0, 0);
  opacity: 0.35;
  letter-spacing: 0.02em;
  margin-bottom: 0.15rem;
  transition: opacity 0.3s ease, text-shadow 0.3s ease;
}

.page-about .milestone-item:hover .milestone-year {
  opacity: 0.85;
  text-shadow: 0 0 24px rgba(255, 107, 0, 0.25);
}

.page-about .milestone-content h3 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--c-white);
  margin-bottom: 0.35rem;
}

.page-about .milestone-content p {
  font-size: 0.93rem;
  max-width: 56ch;
}

.page-about .milestone-visual {
  margin-top: 1.25rem;
}

.page-about .milestone-visual img {
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--about-line);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}

.page-about .cert-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-about .cert-item {
  background: var(--about-panel-bg);
  border: 1px solid var(--about-line);
  border-left: 3px solid var(--c-data);
  border-radius: var(--radius);
  padding: 1.25rem;
}

.page-about .cert-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--c-deep);
  background: var(--c-data);
  border-radius: 3px;
  margin-bottom: 0.9rem;
  box-shadow: 0 0 18px var(--about-data-glow);
}

.page-about .cert-https {
  background: var(--c-accent);
  color: var(--c-white);
  box-shadow: 0 0 18px var(--about-accent-glow);
}

.page-about .cert-data {
  background: var(--c-white);
  color: var(--c-deep);
}

.page-about .cert-item h3 {
  font-size: 1.05rem;
  color: var(--c-white);
  margin-bottom: 0.4rem;
}

.page-about .cert-item p {
  font-size: 0.92rem;
  margin: 0;
}

.page-about .about-team {
  background:
    radial-gradient(circle at 85% 20%, rgba(57, 255, 20, 0.07) 0 120px, transparent 121px),
    linear-gradient(145deg, var(--c-deep) 0%, var(--about-deep-purple) 100%);
}

.page-about .team-layout {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.page-about .team-copy > p {
  font-size: 1rem;
  margin-bottom: 1.25rem;
}

.page-about .team-list li {
  border-left: 2px solid var(--about-line);
  padding: 0.85rem 0 0.85rem 1rem;
  margin-bottom: 0.4rem;
}

.page-about .team-list li:hover {
  border-left-color: var(--c-accent);
}

.page-about .team-list strong {
  display: block;
  font-family: var(--font-title);
  font-size: 1rem;
  color: var(--c-white);
  margin-bottom: 0.3rem;
}

.page-about .team-list span {
  display: block;
  font-size: 0.92rem;
}

.page-about .team-visual img {
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--about-line);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.32);
}

.page-about .eco-content {
  font-size: 0.98rem;
  max-width: 78ch;
}

.page-about .eco-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
  margin-top: 1.5rem;
}

.page-about .eco-stat {
  text-align: center;
  background: var(--about-stat-bg);
  border: 1px solid var(--about-line);
  border-radius: var(--radius);
  padding: 0.9rem 0.4rem;
}

.page-about .eco-stat-num {
  font-size: 1.4rem;
}

.page-about .about-cta {
  padding: 3.25rem 1.25rem;
  text-align: center;
  background:
    linear-gradient(90deg, rgba(255, 107, 0, 0.14) 0%, transparent 30%, transparent 70%, rgba(255, 107, 0, 0.14) 100%);
  border-top: 1px solid var(--about-line);
}

.page-about .about-cta p {
  font-family: var(--font-title);
  font-size: 1.3rem;
  color: var(--c-white);
  margin: 0 0 1.25rem;
}

.page-about .cta-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.page-about .btn {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius);
  transition: background 0.25s, color 0.25s, border-color 0.25s, transform 0.25s;
}

.page-about .btn--accent {
  background: var(--c-accent);
  color: var(--c-white);
  border: 1px solid var(--c-accent);
}

.page-about .btn--accent:hover {
  background: var(--c-accent-dark);
  border-color: var(--c-accent-dark);
  transform: translateY(-2px);
}

.page-about .btn--ghost {
  border: 1px solid var(--c-text);
  color: var(--c-text);
  background: transparent;
}

.page-about .btn--ghost:hover {
  border-color: var(--c-data);
  color: var(--c-data);
  transform: translateY(-2px);
}

@media (min-width: 720px) {
  .page-about .about-hero {
    flex-direction: row;
    align-items: center;
    gap: 3rem;
    padding: 4rem 2.5rem 5rem;
  }

  .page-about .about-hero-copy {
    flex: 1.1;
  }

  .page-about .about-hero-visual {
    flex: 0.9;
  }

  .page-about .about-hero h1 {
    font-size: 2.6rem;
  }

  .page-about .about-hero-lead {
    font-size: 1.06rem;
  }

  .page-about .about-hero-stats {
    grid-template-columns: repeat(4, 1fr);
    max-width: none;
    gap: 0.65rem;
  }

  .page-about .hero-stat {
    padding: 1rem 0.5rem;
  }

  .page-about .stat-num {
    font-size: 1.45rem;
  }

  .page-about .about-section {
    padding: 4.25rem 2.5rem;
  }

  .page-about .about-section-header {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    flex-wrap: wrap;
  }

  .page-about .about-section-no {
    font-size: 0.95rem;
  }

  .page-about .about-section h2 {
    font-size: 2.1rem;
  }

  .page-about .about-section-desc {
    margin-left: auto;
    text-align: right;
  }

  .page-about .positioning-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2.5rem;
    align-items: start;
  }

  .page-about .milestone-timeline {
    margin: 0 0 2rem;
  }

  .page-about .milestone-item {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 1.5rem;
    padding: 0 0 2.5rem;
  }

  .page-about .milestone-item::before {
    left: -1.56rem;
    top: 1rem;
  }

  .page-about .milestone-year {
    font-size: var(--about-year-size);
  }

  .page-about .cert-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.1rem;
  }

  .page-about .team-layout {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 3rem;
    align-items: center;
  }

  .page-about .about-cta {
    padding: 4rem 2.5rem;
  }

  .page-about .cta-links {
    flex-direction: row;
    justify-content: center;
  }
}

@media (min-width: 1024px) {
  .page-about .breadcrumb {
    padding: 1.5rem 3rem 0;
    max-width: 1400px;
    margin: 0 auto;
  }

  .page-about .about-hero {
    padding: 5rem 4rem 6rem;
    max-width: 1400px;
    margin: 0 auto;
  }

  .page-about .about-section {
    padding: 5rem 4rem;
    max-width: 1400px;
    margin: 0 auto;
  }

  .page-about .about-section--full {
    max-width: none;
    padding-left: 4rem;
    padding-right: 4rem;
  }

  .page-about .about-cta {
    padding: 4.5rem 4rem;
    max-width: none;
  }

  .page-about .about-hero h1 {
    font-size: 3.2rem;
  }
}