:root {
  color-scheme: light;
  --ink: #101827;
  --muted: #657083;
  --line: #2e7d5b;
  --paper: #f7f8f7;
  --panel: #ffffff;
  --border: rgba(16, 24, 39, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  color: var(--ink);
  background: var(--paper);
}

.page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px;
}

.mark {
  width: min(780px, 100%);
}

.line {
  width: 64px;
  height: 3px;
  margin-bottom: 26px;
  background: var(--line);
}

h1 {
  margin: 0;
  font-size: clamp(36px, 7vw, 68px);
  font-weight: 680;
  line-height: 1;
  letter-spacing: 0;
}

p {
  margin: 28px 0 0;
  font-size: 18px;
  line-height: 1.45;
  color: var(--muted);
}

.ops-link {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  align-items: center;
  justify-content: center;
  min-width: 148px;
  min-height: 64px;
  margin-top: 36px;
  padding: 12px 20px;
  border: 1px solid var(--border);
  color: var(--ink);
  text-decoration: none;
  background: var(--panel);
  box-shadow: 0 18px 44px rgba(16, 24, 39, 0.08);
  transition:
    border-color 160ms ease,
    transform 160ms ease,
    box-shadow 160ms ease;
}

.ops-link:hover,
.ops-link:focus-visible {
  border-color: var(--line);
  transform: translateY(-1px);
  box-shadow: 0 22px 54px rgba(16, 24, 39, 0.12);
  outline: none;
}

.ops-link span {
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
}

.ops-link small {
  font-size: 12px;
  font-weight: 560;
  line-height: 1;
  color: var(--muted);
}

.ops-body {
  background:
    linear-gradient(180deg, rgba(247, 248, 247, 0.96), rgba(238, 243, 240, 0.96)),
    var(--paper);
}

.ops-page {
  min-height: 100vh;
  display: grid;
  align-items: center;
  padding: 32px;
}

.ops-shell {
  width: min(1040px, 100%);
  margin: 0 auto;
}

.ops-topline {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
  color: var(--muted);
  font-size: 13px;
  font-weight: 680;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.ops-hero {
  padding: 72px 0 48px;
}

.ops-hero h1 {
  font-size: clamp(48px, 8vw, 92px);
}

.ops-hero p {
  max-width: 620px;
}

.ops-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.ops-card {
  display: flex;
  min-height: 152px;
  flex-direction: column;
  justify-content: space-between;
  padding: 22px;
  border: 1px solid var(--border);
  color: var(--ink);
  text-decoration: none;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 18px 48px rgba(16, 24, 39, 0.07);
  transition:
    border-color 160ms ease,
    transform 160ms ease,
    box-shadow 160ms ease;
}

.ops-card:hover,
.ops-card:focus-visible {
  border-color: var(--line);
  transform: translateY(-2px);
  box-shadow: 0 24px 62px rgba(16, 24, 39, 0.12);
  outline: none;
}

.ops-card span {
  font-size: 22px;
  font-weight: 760;
  line-height: 1.05;
}

.ops-card small {
  color: var(--muted);
  font-size: 14px;
  font-weight: 560;
  line-height: 1.35;
}

@media (max-width: 520px) {
  .page {
    place-items: end start;
    padding: 28px;
  }

  h1 {
    font-size: 40px;
  }
}

@media (max-width: 900px) {
  .ops-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  .ops-page {
    align-items: stretch;
    padding: 28px;
  }

  .ops-topline {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .ops-hero {
    padding: 52px 0 36px;
  }

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