.header-link {
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-decoration: none;
  text-transform: uppercase;
}

.header-link:hover {
  color: var(--text);
}

.app-hub {
  scroll-margin-top: 90px;
  min-height: calc(100vh - 168px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center;
}

.app-hub h1 {
  max-width: 760px;
  margin: 0 auto 18px;
  font-size: clamp(42px, 7vw, 76px);
}

.app-hub > p,
.section-heading p {
  max-width: 680px;
  margin: 0 auto;
  color: var(--muted);
  font-size: clamp(15px, 1.8vw, 17px);
  line-height: 1.75;
}

.app-hub .apps {
  margin-top: clamp(30px, 5vw, 54px);
  text-align: left;
}

.about-jump {
  width: fit-content;
  margin: 28px auto 0;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-decoration: none;
  text-transform: uppercase;
}

.about-jump:hover {
  color: var(--text);
}

.about-section {
  padding: clamp(68px, 9vw, 120px) 0 0;
  scroll-margin-top: 90px;
}

.section-heading {
  max-width: 860px;
  margin: 0 auto clamp(28px, 5vw, 46px);
  text-align: center;
}

.section-heading h2 {
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1;
  font-weight: 300;
  letter-spacing: -0.055em;
  margin-bottom: 18px;
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.about-card,
.closing-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.about-card {
  padding: clamp(24px, 3vw, 32px);
}

.about-card h3 {
  margin-bottom: 12px;
  font-size: clamp(23px, 3vw, 30px);
  font-weight: 300;
  letter-spacing: -0.04em;
}

.about-card p,
.closing-panel p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.closing-panel {
  margin-top: 18px;
  padding: clamp(26px, 4vw, 40px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.closing-panel p {
  max-width: 740px;
}

@media (max-width: 760px) {
  .header-link {
    display: none;
  }

  .app-hub {
    min-height: auto;
  }

  .about-grid,
  .closing-panel {
    grid-template-columns: 1fr;
  }

  .closing-panel {
    display: grid;
  }
}