.about-hero,
.about-section {
  padding: 88px 80px;
}

.about-hero {
  background: linear-gradient(180deg, #fff, var(--color-bg-secondary));
  border-bottom: 1px solid var(--color-border-primary);
}

.about-hero__inner,
.about-section__inner {
  max-width: 1400px;
  width: 100%;
  min-width: 0;
  margin: 0 auto;
}

.about-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(360px, 0.98fr);
  gap: 72px;
  align-items: center;
}

.about-hero__copy,
.about-section__copy {
  min-width: 0;
}

.about-hero h1 {
  margin-top: 24px;
  overflow-wrap: normal;
  text-wrap: balance;
}

.about-hero__desc {
  max-width: 620px;
  color: var(--ink2);
  font-size: 18px;
  line-height: 1.7;
  margin-bottom: 32px;
}

.about-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.about-hero__visual {
  min-width: 0;
}

.about-window {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.about-window__body {
  padding: 24px;
  display: grid;
  gap: 16px;
  background: var(--surface);
}

.about-source,
.about-experience-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--color-neutral-50);
  padding: 18px;
}

.about-source img {
  width: 40%;
  margin-left: auto;
  margin-right: auto;
  margin-top: 16px;
}

.about-source__label {
  display: inline-flex;
  color: var(--ink3);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.about-experience-card {
  background: #f2faf5;
}

.about-experience-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: 16px;
}

.about-experience-list span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-width: 0;
  color: var(--ink2);
  background: white;
  border: 1px solid rgba(116, 198, 157, 0.25);
  border-radius: 8px;
  padding: 9px 10px;
  font-size: 13px;
  line-height: 1.35;
}

.about-experience-list svg {
  color: var(--accent2);
  flex-shrink: 0;
}

.about-window__status {
  color: white;
  background: var(--primary);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.45;
}

.about-section--tinted,
.about-section--audiences {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border-primary);
  border-bottom: 1px solid var(--color-border-primary);
}

.about-section__header {
  margin-bottom: 44px;
}

.about-section__header h2,
.about-section__copy h2 {
  max-width: 820px;
}

.about-section__copy p {
  max-width: 650px;
  color: var(--ink2);
  font-size: 16px;
  line-height: 1.75;
  margin-top: 16px;
}

.about-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.78fr);
  gap: 64px;
  align-items: center;
}

.about-comparison {
  display: grid;
  gap: 12px;
}

.about-comparison__panel {
  background: white;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px;
}

.about-comparison__panel span {
  display: block;
  color: var(--ink3);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.about-comparison__panel strong {
  display: block;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 22px;
  line-height: 1.25;
}

.about-comparison__panel--active {
  background: var(--color-secondary-100);
  border-color: var(--color-secondary-200);
}

.about-comparison__arrow {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: white;
  background: var(--primary);
  border-radius: 50%;
  justify-self: center;
}

.about-grid {
  display: grid;
  gap: 16px;
}

.about-grid--three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.about-grid--four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.about-card,
.about-principle {
  border-radius: 12px;
}

.about-card__icon {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  background: var(--color-primary-50);
  border-radius: 10px;
  margin-bottom: 18px;
}

.about-card h3,
.about-principle h3,
.about-audience h3 {
  color: var(--ink);
  font-size: 21px;
  line-height: 1.25;
  margin-bottom: 10px;
}

.about-card p,
.about-principle p,
.about-audience p {
  color: var(--ink2);
  font-size: 14px;
  line-height: 1.65;
}

.about-closing-line {
  margin-top: 28px;
  color: var(--primary);
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
}

.about-principle__num {
  display: inline-block;
  color: var(--color-secondary-500);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  margin-bottom: 18px;
}

.about-audience-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--color-neutral-200);
  border: 1px solid var(--color-neutral-200);
  border-radius: 12px;
  overflow: hidden;
}

.about-audience {
  background: white;
  padding: 28px;
}

.about-audience p + p {
  margin-top: 12px;
}

.about-split--experience {
  align-items: start;
}

.about-experience-areas {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-content: start;
}

.about-experience-areas span {
  color: var(--ink2);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 13px;
  font-weight: 500;
  line-height: 1.35;
}

@media (max-width: 1100px) {
  .about-hero,
  .about-section {
    padding-right: 40px;
    padding-left: 40px;
  }

  .about-hero__inner,
  .about-split {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .about-grid--four {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .about-hero,
  .about-section {
    padding: 60px 20px;
  }

  .about-hero h1 {
    margin-top: 20px;
  }

  .about-hero__desc {
    font-size: 16px;
  }

  .about-grid--three,
  .about-grid--four,
  .about-audience-list {
    grid-template-columns: 1fr;
  }

  .about-section__header {
    margin-bottom: 32px;
  }
}

@media (max-width: 520px) {
  .about-hero h1 {
    font-size: 34px;
    max-width: 100%;
    text-wrap: auto;
  }

  .about-actions .btn {
    width: 100%;
  }

  .about-experience-list {
    grid-template-columns: 1fr;
  }

  .about-comparison__panel strong,
  .about-closing-line {
    font-size: 20px;
  }
}