.page-about {
  --about-accent: #d4af37;
  --about-navy: #0a1f44;
  --about-dark: #050b1c;
  --about-aux: #e4e9f2;
  font-family: var(--font-body);
  color: var(--color-text);
  overflow-x: hidden;
}

.page-about-hero {
  position: relative;
  background: linear-gradient(140deg, #050b1c 0%, #0a1f44 62%, #0d2c5e 100%);
  padding: 108px 20px 72px;
  color: #ffffff;
  overflow: hidden;
}

.page-about-hero::before {
  content: "";
  position: absolute;
  top: -22%;
  right: -12%;
  width: 58%;
  height: 150%;
  background: linear-gradient(135deg, transparent 0%, rgba(212, 175, 55, 0.2) 48%, transparent 92%);
  transform: rotate(14deg);
  pointer-events: none;
}

.page-about-hero::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--about-accent), transparent 68%);
}

.page-about-hero__container {
  max-width: 1160px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.page-about-hero__breadcrumbs {
  margin-bottom: 44px;
  font-size: 13px;
  opacity: 0.85;
}

.page-about-hero__breadcrumbs a {
  color: rgba(255, 255, 255, 0.82);
  text-decoration: none;
  transition: color 0.25s ease;
}

.page-about-hero__breadcrumbs a:hover {
  color: var(--about-accent);
}

.page-about-hero__breadcrumbs span[aria-current="page"] {
  color: var(--about-accent);
}

.page-about-hero__inner {
  max-width: 840px;
  padding-bottom: 36px;
}

.page-about-hero__kicker {
  display: inline-block;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--about-accent);
  border-left: 3px solid var(--about-accent);
  padding-left: 12px;
  margin: 0 0 22px;
}

.page-about-hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(34px, 7.5vw, 60px);
  line-height: 1.08;
  font-weight: 700;
  margin: 0 0 14px;
  letter-spacing: -0.01em;
}

.page-about-hero__lead {
  font-family: var(--font-heading);
  font-size: clamp(17px, 3vw, 24px);
  font-weight: 500;
  color: rgba(255, 255, 255, 0.92);
  margin: 0 0 18px;
}

.page-about-hero__desc {
  font-size: 15px;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.66);
  margin: 0;
  max-width: 620px;
}

.page-about-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--about-accent);
  border: 1px solid rgba(212, 175, 55, 0.55);
  padding: 5px 14px;
  border-radius: 2px;
  margin-bottom: 16px;
  background: rgba(212, 175, 55, 0.05);
}

.page-about-origin {
  padding: 72px 20px;
  background: #ffffff;
}

.page-about-origin__container {
  max-width: 1160px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 44px;
  align-items: center;
}

.page-about-origin__text h2,
.page-about-philosophy__header h2,
.page-about-milestones__intro h2,
.page-about-scale__header h2 {
  font-family: var(--font-heading);
  font-size: clamp(24px, 4.6vw, 36px);
  line-height: 1.28;
  margin: 0 0 18px;
  color: var(--about-navy);
}

.page-about-origin__text p {
  font-size: 15px;
  line-height: 1.85;
  color: var(--color-text-secondary);
  margin: 0 0 14px;
}

.page-about-origin__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-about-origin .btn {
  display: inline-block;
  padding: 12px 26px;
  font-size: 14px;
  font-weight: 500;
  border-radius: 3px;
  text-decoration: none;
  transition: all 0.25s ease;
}

.page-about-origin .btn-primary {
  background: var(--about-accent);
  color: #0a1f44;
  border: 1px solid var(--about-accent);
}

.page-about-origin .btn-primary:hover {
  background: #c09c2c;
  box-shadow: 0 6px 22px rgba(212, 175, 55, 0.38);
}

.page-about-origin .btn-ghost {
  background: transparent;
  color: var(--about-navy);
  border: 1px solid rgba(10, 31, 68, 0.4);
}

.page-about-origin .btn-ghost:hover {
  border-color: var(--about-accent);
  color: var(--about-accent);
}

.page-about-origin__visual {
  position: relative;
  overflow: hidden;
  clip-path: polygon(0 0, calc(100% - 30px) 0, 100% 30px, 100% 100%, 30px 100%, 0 calc(100% - 30px));
  min-height: 300px;
  background: linear-gradient(150deg, #0a1f44, #0d2c5e);
}

.page-about-origin__visual img {
  width: 100%;
  height: 100%;
  min-height: 300px;
  object-fit: cover;
  display: block;
}

.page-about-philosophy {
  padding: 72px 20px;
  background: linear-gradient(180deg, #f4f6fa 0%, var(--about-aux) 100%);
}

.page-about-philosophy__container {
  max-width: 1160px;
  margin: 0 auto;
}

.page-about-philosophy__header {
  max-width: 640px;
  margin-bottom: 44px;
}

.page-about-philosophy__subtitle {
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-text-secondary);
  margin: 0;
}

.page-about-philosophy__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  position: relative;
}

.page-about-philosophy__card {
  background: #ffffff;
  padding: 30px 26px;
  border-left: 4px solid var(--about-accent);
  box-shadow: 0 8px 28px rgba(5, 11, 28, 0.07);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  position: relative;
}

.page-about-philosophy__card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 42px rgba(5, 11, 28, 0.12);
}

.page-about-philosophy__card::after {
  content: "";
  position: absolute;
  bottom: 0;
  right: 0;
  width: 0;
  height: 0;
  border-left: 26px solid transparent;
  border-bottom: 26px solid var(--about-aux);
}

.page-about-philosophy__num {
  display: block;
  font-family: var(--font-heading);
  font-size: 34px;
  font-weight: 700;
  color: rgba(10, 31, 68, 0.14);
  margin-bottom: 10px;
  line-height: 1;
}

.page-about-philosophy__card h3 {
  font-family: var(--font-heading);
  font-size: 19px;
  color: var(--about-navy);
  margin: 0 0 10px;
}

.page-about-philosophy__card p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text-secondary);
  margin: 0;
}

.page-about-milestones {
  padding: 72px 20px;
  background: #ffffff;
}

.page-about-milestones__container {
  max-width: 1160px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 52px;
}

.page-about-milestones__intro {
  max-width: 480px;
}

.page-about-milestones__intro p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-text-secondary);
  margin-bottom: 24px;
}

.page-about-milestones__intro img {
  width: 100%;
  height: auto;
  max-width: 480px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
  display: block;
}

.page-about-milestones__timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.page-about-milestones__timeline::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 4px;
  bottom: 4px;
  width: 2px;
  background: linear-gradient(180deg, var(--about-accent) 0%, rgba(212, 175, 55, 0.12) 100%);
}

.page-about-milestones__item {
  position: relative;
  padding-left: 42px;
  margin-bottom: 30px;
}

.page-about-milestones__item:last-child {
  margin-bottom: 0;
}

.page-about-milestones__dot {
  position: absolute;
  left: 4px;
  top: 8px;
  width: 18px;
  height: 18px;
  background: var(--about-navy);
  border: 3px solid var(--about-accent);
  transform: rotate(45deg);
  box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.18);
}

.page-about-milestones__card {
  background: #f8f9fc;
  border: 1px solid #e4e9f2;
  padding: 24px 22px;
  border-radius: 4px;
  transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.page-about-milestones__card:hover {
  background: #ffffff;
  border-color: var(--about-accent);
  box-shadow: 0 10px 30px rgba(5, 11, 28, 0.08);
}

.page-about-milestones__version {
  display: inline-block;
  background: var(--about-navy);
  color: #ffffff;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  padding: 4px 12px;
  border-radius: 2px;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.page-about-milestones__card h3 {
  font-family: var(--font-heading);
  font-size: 17px;
  color: var(--about-navy);
  margin: 0 0 10px;
}

.page-about-milestones__card p {
  font-size: 14px;
  line-height: 1.78;
  color: var(--color-text-secondary);
  margin: 0;
}

.page-about-scale {
  background: linear-gradient(135deg, var(--about-dark) 0%, var(--about-navy) 100%);
  padding: 72px 20px;
  color: #ffffff;
  position: relative;
  overflow: hidden;
}

.page-about-scale::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 46%;
  height: 100%;
  background: radial-gradient(ellipse at top right, rgba(212, 175, 55, 0.16) 0%, transparent 70%);
  pointer-events: none;
}

.page-about-scale__container {
  max-width: 1160px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.page-about-scale__header {
  max-width: 540px;
  margin-bottom: 44px;
}

.page-about-scale__header h2 {
  color: #ffffff;
}

.page-about-scale__header p {
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.68);
  margin: 0;
}

.page-about-scale__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-bottom: 36px;
}

.page-about-scale__stat {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 26px 14px;
  text-align: center;
  transition: background 0.3s ease, border-color 0.3s ease;
}

.page-about-scale__stat:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(212, 175, 55, 0.55);
}

.page-about-scale__num {
  display: block;
  font-family: var(--font-heading);
  font-size: clamp(26px, 5vw, 38px);
  font-weight: 700;
  color: var(--about-accent);
  line-height: 1.1;
  margin-bottom: 6px;
}

.page-about-scale__label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.72);
}

.page-about-scale__footer {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  align-items: center;
  margin-top: 30px;
}

.page-about-scale__footer img {
  width: 100%;
  height: auto;
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 24px 100%, 0 calc(100% - 24px));
  display: block;
}

.page-about-scale__note p {
  font-size: 14px;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.76);
  margin: 0 0 14px;
}

.page-about-scale__note a {
  color: var(--about-accent);
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: color 0.25s ease;
}

.page-about-scale__note a:hover {
  color: #ffffff;
}

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

  .page-about-philosophy__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    align-items: start;
  }

  .page-about-philosophy__card:nth-child(2) {
    transform: translateY(30px);
  }

  .page-about-milestones__container {
    grid-template-columns: 0.85fr 1.15fr;
    gap: 68px;
  }

  .page-about-scale__stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }

  .page-about-scale__footer {
    grid-template-columns: 1fr 1fr;
    gap: 44px;
  }
}

@media (min-width: 1024px) {
  .page-about-hero {
    padding: 130px 32px 96px;
  }

  .page-about-origin {
    padding: 104px 32px;
  }

  .page-about-philosophy {
    padding: 104px 32px;
  }

  .page-about-milestones {
    padding: 104px 32px;
  }

  .page-about-scale {
    padding: 104px 32px;
  }
}