.inst-page {
  background:
    radial-gradient(circle at 82% 0%, color-mix(in srgb, var(--green) 12%, transparent) 0, transparent 28rem),
    var(--bg);
  color: var(--tx);
}

.inst-hero {
  padding: 170px 0 80px;
  border-bottom: 1px solid var(--line);
}

.inst-hero-inner {
  max-width: 840px;
}

.inst-hero h1 {
  max-width: 780px;
  margin: 18px 0 24px;
  font-size: clamp(48px, 8vw, 104px);
  line-height: .88;
  letter-spacing: 0;
}

.inst-hero p {
  max-width: 680px;
  margin: 0 0 14px;
  color: var(--tx2);
  font-size: clamp(19px, 2.5vw, 26px);
  line-height: 1.28;
}

.inst-band {
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.inst-cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.inst-card {
  min-height: 124px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card);
  color: var(--tx);
  text-decoration: none;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform .18s ease, border-color .18s ease, background .18s ease;
}

.inst-card:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--green) 55%, var(--line));
  background: color-mix(in srgb, var(--green) 8%, var(--card));
}

.inst-card span {
  color: var(--tx3);
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.inst-card strong {
  font-size: 22px;
  line-height: 1.05;
  font-weight: 600;
}

.inst-content {
  padding: 80px 0 88px;
}

.inst-grid {
  display: grid;
  grid-template-columns: minmax(180px, 280px) minmax(0, 1fr);
  gap: clamp(28px, 7vw, 92px);
  align-items: start;
}

.inst-aside {
  position: sticky;
  top: 110px;
  border-left: 2px solid var(--green);
  padding-left: 18px;
}

.inst-mark {
  font-size: 36px;
  line-height: 1;
  margin-bottom: 18px;
}

.inst-aside p {
  color: var(--tx3);
  font-size: 15px;
  line-height: 1.5;
}

.inst-sections {
  display: grid;
  gap: 18px;
}

.inst-section {
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
}

.inst-section:first-child {
  padding-top: 0;
}

.inst-section h2 {
  max-width: 680px;
  margin: 0 0 16px;
  font-size: clamp(30px, 4vw, 48px);
  line-height: .98;
}

.inst-section p {
  max-width: 780px;
  margin: 0 0 12px;
  color: var(--tx2);
  font-size: 18px;
  line-height: 1.48;
}

.inst-section ul {
  max-width: 760px;
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.inst-section li {
  position: relative;
  padding-left: 22px;
  color: var(--tx2);
  font-size: 18px;
  line-height: 1.4;
}

.inst-section li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
}

.inst-final {
  padding: 74px 0 86px;
  text-align: center;
  background: color-mix(in srgb, var(--green) 8%, var(--bg));
  border-top: 1px solid var(--line);
}

.inst-final h2 {
  margin: 0 0 12px;
  font-size: clamp(34px, 5vw, 64px);
}

.inst-final p {
  margin: 0 auto 24px;
  max-width: 560px;
  color: var(--tx2);
  font-size: 19px;
}

@media (max-width: 880px) {
  .inst-hero {
    padding: 132px 0 58px;
  }

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

  .inst-grid {
    grid-template-columns: 1fr;
  }

  .inst-aside {
    position: static;
  }
}

@media (max-width: 560px) {
  .inst-hero {
    padding: 116px 0 48px;
  }

  .inst-cards {
    grid-template-columns: 1fr;
  }

  .inst-card {
    min-height: 104px;
  }

  .inst-content {
    padding: 58px 0 64px;
  }
}