.page-about {
  background: var(--night-blue);
  color: var(--text-light);
  overflow-x: hidden;
}

.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding-top: calc(var(--header-h) + 40px);
  padding-bottom: 130px;
}
.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 82% 28%, rgba(138, 43, 226, 0.22), transparent 34%),
    linear-gradient(135deg, rgba(57, 255, 20, 0.05) 0%, transparent 46%);
  pointer-events: none;
}
.page-about .about-hero::after {
  content: "";
  position: absolute;
  right: -8%;
  top: 18%;
  width: 56%;
  height: 70%;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 64px 64px;
  transform: rotate(-14deg);
  pointer-events: none;
  mask-image: linear-gradient(90deg, transparent, #000);
}
.page-about .about-hero .container { position: relative; z-index: 2; }
.page-about .hero-grid { margin-top: 44px; }
.page-about .hero-copy { max-width: 860px; }
.page-about .hero-facts {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 34px;
}
.page-about .fact-cell {
  padding: 16px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--volt-purple);
  border-radius: var(--radius-sm);
  background: rgba(17, 34, 64, 0.72);
  backdrop-filter: blur(8px);
}
.page-about .fact-label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--text-dim);
}
.page-about .fact-value {
  display: block;
  margin-top: 6px;
  font-family: var(--font-title);
  font-size: 15px;
  color: var(--text-light);
}
.page-about .hero-silhouette {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 170px;
  z-index: 1;
  pointer-events: none;
}
.page-about .hero-silhouette svg { width: 100%; height: 100%; display: block; }

.page-about .origin-section {
  position: relative;
  padding-top: 88px;
  padding-bottom: 96px;
}
.page-about .origin-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(92%, 840px);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line), transparent);
}
.page-about .origin-copy .tag { display: inline-flex; margin-bottom: 20px; }
.page-about .origin-copy .section-title { margin: 6px 0 22px; }
.page-about .origin-copy p {
  margin-bottom: 18px;
  line-height: 1.85;
  color: var(--text-soft);
}
.page-about .origin-copy .btn { margin-top: 10px; }
.page-about .origin-image {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--panel-blue);
}
.page-about .origin-image img { display: block; width: 100%; height: auto; }
.page-about .image-meta {
  padding: 12px 16px;
  font-size: 13px;
  color: var(--text-dim);
  border-top: 1px solid var(--line);
}

.page-about .milestone-section {
  position: relative;
  padding-top: 80px;
  padding-bottom: 110px;
  background:
    radial-gradient(circle at 90% 8%, rgba(138, 43, 226, 0.14), transparent 28%),
    linear-gradient(180deg, rgba(17, 34, 64, 0.28) 0%, transparent 30%);
}
.page-about .milestone-section::after {
  content: "";
  position: absolute;
  right: -110px;
  top: 18%;
  width: 300px;
  height: 300px;
  border: 1px dashed rgba(138, 43, 226, 0.15);
  border-radius: 50%;
  box-shadow: 0 0 0 40px rgba(138, 43, 226, 0.025);
  pointer-events: none;
}
.page-about .milestone-head { margin-bottom: 56px; }
.page-about .timeline-layout { display: grid; gap: 40px; }
.page-about .timeline-wrap { position: relative; }
.page-about .timeline-line {
  position: absolute;
  left: 16px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  z-index: 0;
}
.page-about .timeline-line svg { width: 100%; height: 100%; display: block; }
.page-about .timeline-list {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
  z-index: 1;
}
.page-about .timeline-entry {
  position: relative;
  padding-left: 52px;
  margin-bottom: 34px;
}
.page-about .timeline-entry:last-child { margin-bottom: 0; }
.page-about .timeline-dot {
  position: absolute;
  left: 8px;
  top: 22px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--neon-green);
  box-shadow: 0 0 0 4px rgba(57, 255, 20, 0.14), 0 0 16px rgba(57, 255, 20, 0.5);
  transition: transform var(--transition), box-shadow var(--transition);
}
.page-about .timeline-entry:hover .timeline-dot,
.page-about .timeline-entry:focus-within .timeline-dot {
  transform: scale(1.18);
  box-shadow: 0 0 0 6px rgba(57, 255, 20, 0.2), 0 0 24px rgba(57, 255, 20, 0.75);
}
.page-about .timeline-card {
  padding: 22px 22px 22px 24px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--volt-purple);
  border-radius: var(--radius-md);
  background: var(--panel-blue);
}
.page-about .timeline-num {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--neon-green);
}
.page-about .timeline-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-title);
  font-size: 17px;
  line-height: 1.4;
  color: var(--text-light);
}
.page-about .timeline-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-soft);
}
.page-about .timeline-aside { display: grid; gap: 18px; align-content: start; }
.page-about .timeline-note {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(17, 34, 64, 0.65);
}
.page-about .timeline-note h3 {
  margin: 0 0 14px;
  font-family: var(--font-title);
  font-size: 16px;
  color: var(--text-light);
}
.page-about .timeline-note ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-about .timeline-note li {
  position: relative;
  padding-left: 22px;
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.6;
}
.page-about .timeline-note li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 8px;
  width: 7px;
  height: 7px;
  background: var(--volt-purple);
  transform: rotate(45deg);
}
.page-about .timeline-aside .image-frame {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--panel-blue);
}
.page-about .timeline-aside .image-frame img { display: block; width: 100%; height: auto; }

.page-about .promise-section {
  padding-top: 84px;
  padding-bottom: 96px;
  background:
    linear-gradient(180deg, transparent 0%, rgba(138, 43, 226, 0.07) 18%, rgba(17, 34, 64, 0.55) 52%, rgba(138, 43, 226, 0.05) 86%, transparent 100%);
}
.page-about .promise-layout { margin-top: 48px; display: grid; gap: 36px; }
.page-about .promise-cards { display: grid; gap: 18px; }
.page-about .promise-card {
  position: relative;
  padding: 26px 24px 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--panel-blue);
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition);
}
.page-about .promise-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 26px;
  width: 56px;
  height: 3px;
  background: linear-gradient(90deg, var(--neon-green), var(--volt-purple));
}
.page-about .promise-card:hover {
  transform: translateY(-4px);
  border-color: rgba(138, 43, 226, 0.55);
}
.page-about .promise-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  margin-bottom: 18px;
  border: 1px solid rgba(57, 255, 20, 0.4);
  border-radius: 12px;
  background: rgba(57, 255, 20, 0.07);
  font-family: var(--font-title);
  font-size: 14px;
  font-weight: 700;
  color: var(--neon-green);
}
.page-about .promise-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-title);
  font-size: 17px;
  color: var(--text-light);
}
.page-about .promise-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-soft);
}
.page-about .promise-image {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--panel-blue);
}
.page-about .promise-image img { display: block; width: 100%; height: auto; }
.page-about .promise-note {
  margin-top: 36px;
  padding: 20px 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  justify-content: space-between;
  border: 1px dashed rgba(138, 43, 226, 0.55);
  border-radius: var(--radius-md);
  background: rgba(138, 43, 226, 0.055);
}
.page-about .promise-note p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-soft);
  max-width: 720px;
}

.page-about .about-cta { padding-top: 40px; padding-bottom: 110px; }
.page-about .cta-panel {
  display: grid;
  gap: 24px;
  padding: 32px 28px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(138, 43, 226, 0.45);
  background:
    linear-gradient(120deg, rgba(138, 43, 226, 0.16), rgba(17, 34, 64, 0.82) 56%);
  box-shadow: var(--shadow-panel);
}
.page-about .cta-panel h2 {
  margin: 0 0 10px;
  font-family: var(--font-title);
  font-size: clamp(20px, 3vw, 28px);
  line-height: 1.4;
  color: var(--text-light);
}
.page-about .cta-panel p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-soft);
  max-width: 680px;
}
.page-about .cta-actions { display: flex; flex-wrap: wrap; gap: 14px; }

@media (min-width: 900px) {
  .page-about .about-hero { padding-bottom: 170px; }
  .page-about .hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: 52px;
    align-items: end;
  }
  .page-about .hero-facts { margin-top: 0; }
  .page-about .split-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: 64px;
    align-items: center;
  }
  .page-about .origin-section { padding-top: 110px; padding-bottom: 120px; }
  .page-about .timeline-layout {
    grid-template-columns: minmax(0, 1fr) 330px;
    gap: 56px;
    align-items: start;
  }
  .page-about .timeline-aside { position: sticky; top: calc(var(--header-h) + 32px); }
  .page-about .promise-layout {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 48px;
    align-items: center;
  }
  .page-about .promise-cards { grid-template-columns: 1fr 1fr; gap: 20px; }
  .page-about .promise-card:nth-child(3) { grid-column: 1 / -1; }
  .page-about .cta-panel {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 32px;
    padding: 46px 50px;
  }
}