.page-about {
  --about-gold-glow: rgba(242, 201, 76, 0.28);
  --about-green-glow: rgba(0, 212, 170, 0.18);
  --about-violet-glow: rgba(123, 94, 167, 0.24);
  --about-panel-bg: rgba(27, 58, 92, 0.55);
  --about-panel-border: rgba(242, 201, 76, 0.18);
  --about-mono: "JetBrains Mono", "Cascadia Code", Consolas, monospace;
  position: relative;
  overflow-x: hidden;
  background:
    radial-gradient(ellipse 65% 40% at 85% 8%, var(--about-violet-glow), transparent 68%),
    radial-gradient(ellipse 50% 35% at 12% 42%, var(--about-green-glow), transparent 70%),
    var(--bg-primary);
}

.page-about .breadcrumb {
  margin: 0;
  padding: 28px 0 0;
}

.page-about .breadcrumb-list {
  justify-content: flex-start;
  gap: 8px;
}

.page-about .about-hero {
  padding: 32px 0 72px;
}

.page-about .about-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: start;
}

.page-about .about-hero-copy {
  position: relative;
  z-index: 2;
}

.page-about .about-hero-copy h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 3.6rem);
  line-height: 1.16;
  letter-spacing: 0.01em;
  color: var(--warm-paper);
  margin: 12px 0 18px;
  max-width: 9em;
}

.page-about .about-hero-lead {
  font-family: var(--font-body);
  font-size: 1.06rem;
  line-height: 1.9;
  color: var(--warm-paper);
  margin: 0 0 16px;
  max-width: 34em;
}

.page-about .about-hero-copy > p:not(.about-hero-lead):not(.page-eyebrow) {
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--iron-gray);
  margin: 0 0 20px;
  max-width: 36em;
}

.page-about .about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 26px;
}

.page-about .about-hero-actions .btn {
  min-width: 140px;
  justify-content: center;
}

.page-about .about-hero-media {
  position: relative;
  margin: 0;
  width: 100%;
  max-width: 420px;
}

.page-about .about-hero-media img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
  clip-path: polygon(4% 0, 100% 0, 100% 90%, 96% 100%, 0 100%, 0 10%);
  box-shadow: var(--shadow);
}

.page-about .about-hero-media::after {
  content: "";
  position: absolute;
  right: -16px;
  bottom: -14px;
  width: 72%;
  height: 16px;
  background: linear-gradient(90deg, var(--star-gold), transparent);
  opacity: 0.5;
  transform: skewX(-28deg);
}

.page-about .about-milestone {
  padding: 72px 0;
  background: linear-gradient(180deg, transparent, rgba(27, 58, 92, 0.28) 15%, rgba(27, 58, 92, 0.28) 85%, transparent);
}

.page-about .about-timeline {
  position: relative;
  padding: 28px 0 12px;
  margin: 0 0 40px;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 12px;
  bottom: 12px;
  width: 2px;
  background: repeating-linear-gradient(
    to bottom,
    var(--star-gold) 0 5px,
    transparent 5px 10px
  );
  opacity: 0.45;
}

.page-about .about-timeline-node {
  position: relative;
  margin: 0 0 30px 52px;
  padding: 18px 20px 14px;
  background: var(--about-panel-bg);
  border: 1px solid var(--about-panel-border);
  border-radius: var(--radius);
  backdrop-filter: blur(4px);
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.page-about .about-timeline-node::before {
  content: "";
  position: absolute;
  left: -32px;
  top: 26px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--star-gold);
  border: 3px solid var(--bg-primary);
  box-shadow: 0 0 14px var(--about-gold-glow);
}

.page-about .about-timeline-node:hover {
  border-color: rgba(242, 201, 76, 0.42);
  transform: translateY(-2px);
}

.page-about .about-timeline-node[open] {
  border-color: rgba(0, 212, 170, 0.4);
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.24);
}

.page-about .about-timeline-node[open]::before {
  background: var(--aurora-green);
  box-shadow: 0 0 14px var(--about-green-glow);
}

.page-about .about-timeline-summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 1.12rem;
  color: var(--warm-paper);
  user-select: none;
}

.page-about .about-timeline-summary::-webkit-details-marker {
  display: none;
}

.page-about .about-timeline-summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--about-mono);
  font-size: 1rem;
  color: var(--aurora-green);
  transition: transform 0.2s ease;
}

.page-about .about-timeline-node[open] .about-timeline-summary::after {
  content: "−";
  transform: rotate(180deg);
}

.page-about .about-timeline-version {
  font-family: var(--about-mono);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--star-gold);
  background: rgba(242, 201, 76, 0.12);
  border: 1px solid rgba(242, 201, 76, 0.3);
  border-radius: 999px;
  padding: 2px 10px;
  white-space: nowrap;
}

.page-about .about-timeline-heading {
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-about .about-timeline-body {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed rgba(160, 170, 181, 0.28);
}

.page-about .about-timeline-body p {
  font-family: var(--font-body);
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--iron-gray);
  margin: 0 0 10px;
}

.page-about .about-timeline-body ul {
  margin: 0;
  padding-left: 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-about .about-timeline-body li {
  font-family: var(--font-body);
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--warm-paper);
}

.page-about .about-milestone-media {
  margin: 36px 0 0;
  position: relative;
}

.page-about .about-milestone-media img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
  clip-path: polygon(0 0, 96% 3%, 100% 97%, 4% 100%);
  box-shadow: var(--shadow);
}

.page-about .about-method {
  padding: 72px 0 32px;
}

.page-about .about-method-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: center;
}

.page-about .about-method-copy h3 {
  font-family: var(--font-display);
  font-size: 1.16rem;
  color: var(--star-gold);
  margin: 28px 0 10px;
  letter-spacing: 0.02em;
}

.page-about .about-method-copy h3:first-child {
  margin-top: 0;
}

.page-about .about-method-copy p {
  font-family: var(--font-body);
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--iron-gray);
  margin: 0 0 8px;
}

.page-about .about-method-note {
  margin-top: 18px;
  padding: 12px 16px;
  border-left: 3px solid var(--aurora-green);
  background: rgba(0, 212, 170, 0.07);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-family: var(--font-body);
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--iron-gray);
}

.page-about .about-method-media {
  margin: 0;
}

.page-about .about-method-media img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
  clip-path: polygon(6% 0, 100% 0, 100% 88%, 94% 100%, 0 100%, 0 12%);
  box-shadow: var(--shadow);
}

.page-about .about-service {
  padding: 72px 0 80px;
  background: radial-gradient(ellipse 70% 50% at 20% 100%, rgba(123, 94, 167, 0.18), transparent 70%);
}

.page-about .about-service-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 28px 0 36px;
}

.page-about .about-service-item {
  position: relative;
  padding: 26px 22px;
  background: rgba(27, 58, 92, 0.48);
  border: 1px solid rgba(160, 170, 181, 0.16);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.page-about .about-service-item:hover {
  border-color: rgba(242, 201, 76, 0.4);
  transform: translateY(-2px);
}

.page-about .about-service-item::before {
  content: "";
  position: absolute;
  right: -24px;
  top: -24px;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--about-gold-glow), transparent 70%);
  opacity: 0.5;
}

.page-about .about-service-value {
  display: block;
  font-family: var(--about-mono);
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--aurora-green);
  letter-spacing: -0.02em;
}

.page-about .about-service-label {
  display: block;
  margin-top: 8px;
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: var(--iron-gray);
  letter-spacing: 0.04em;
}

.page-about .about-service-detail {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-top: 36px;
  padding: 28px;
  background:
    linear-gradient(135deg, rgba(27, 58, 92, 0.7), rgba(10, 22, 40, 0.85)),
    var(--bg-primary);
  border: 1px solid rgba(160, 170, 181, 0.14);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.page-about .about-service-text h3 {
  font-family: var(--font-display);
  font-size: 1.12rem;
  color: var(--star-gold);
  margin: 0 0 10px;
}

.page-about .about-service-text p {
  font-family: var(--font-body);
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--iron-gray);
  margin: 0 0 16px;
}

.page-about .about-contact-card {
  border-top: 1px dashed rgba(160, 170, 181, 0.26);
  padding-top: 22px;
}

.page-about .about-contact-card h3 {
  font-family: var(--font-display);
  font-size: 1.08rem;
  color: var(--warm-paper);
  margin: 0 0 14px;
}

.page-about .about-contact-card .btn {
  margin-top: 18px;
  justify-content: center;
}

.page-about .contact-list {
  display: grid;
  gap: 10px;
}

.page-about .contact-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-about .contact-label {
  font-family: var(--about-mono);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--aurora-green);
}

.page-about .contact-value {
  font-family: var(--font-body);
  font-size: 0.96rem;
  color: var(--warm-paper);
  word-break: break-all;
}

@media (min-width: 640px) {
  .page-about .about-service-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-about .about-service-detail {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 40px;
  }

  .page-about .about-contact-card {
    border-top: none;
    border-left: 1px dashed rgba(160, 170, 181, 0.26);
    padding: 0 0 0 28px;
  }

  .page-about .contact-item {
    flex-direction: row;
    justify-content: space-between;
    gap: 16px;
  }
}

@media (min-width: 768px) {
  .page-about .about-hero-grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 56px;
    align-items: center;
  }

  .page-about .about-hero-media {
    max-width: none;
  }

  .page-about .about-timeline::before {
    left: 50%;
    transform: translateX(-50%);
    background: repeating-linear-gradient(
      to bottom,
      var(--star-gold) 0 5px,
      transparent 5px 10px
    );
    opacity: 0.4;
  }

  .page-about .about-timeline-node {
    width: calc(50% - 52px);
    margin-left: 0;
    transform: rotate(-0.3deg);
  }

  .page-about .about-timeline-node:nth-child(even) {
    margin-left: auto;
    transform: rotate(0.3deg);
  }

  .page-about .about-timeline-node::before {
    left: auto;
    right: -34px;
    top: 28px;
  }

  .page-about .about-timeline-node:nth-child(even)::before {
    left: -34px;
    right: auto;
  }

  .page-about .about-method-grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 56px;
  }

  .page-about .about-method-media {
    order: 2;
  }

  .page-about .about-method-copy {
    order: 1;
  }

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

@media (min-width: 1024px) {
  .page-about .about-hero {
    padding: 56px 0 96px;
  }

  .page-about .about-hero-copy {
    padding-bottom: 40px;
  }

  .page-about .about-hero-media {
    margin-top: 24px;
  }

  .page-about .about-hero-media::before {
    content: "";
    position: absolute;
    left: -60px;
    bottom: 40px;
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(242, 201, 76, 0.16), transparent 70%);
    pointer-events: none;
  }

  .page-about .about-milestone-media {
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
  }
}