/* ===== IPG B24 — Четыре принципа ===== */

.ipg-b24-principles {
  --ipg-p-bg: #f6f6f8;
  --ipg-p-card: #ffffff;
  --ipg-p-border: #ececec;
  --ipg-p-num: #ececec;
  --ipg-p-text: #000000;
  --ipg-p-radius: 24px;
  --ipg-p-gap: 24px;
  --ipg-p-max: 1140px;

  background: var(--ipg-p-bg);
  padding: 8px 20px 48px;
  font-family: Montserrat, "Segoe UI", Arial, sans-serif;
  color: var(--ipg-p-text);
}

.ipg-b24-principles .container {
  max-width: var(--ipg-p-max);
}

.ipg-b24-principles__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--ipg-p-gap);
  align-items: stretch;
}

.ipg-b24-principle {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 280px;
  aspect-ratio: 756 / 800;
  padding: 28px 28px 32px;
  overflow: hidden;
  border: 1px solid var(--ipg-p-border);
  border-radius: var(--ipg-p-radius);
  background: var(--ipg-p-card);
  box-sizing: border-box;
}

.ipg-b24-principle__num {
  margin: 0;
  font-size: 72px;
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -0.04em;
  color: var(--ipg-p-num);
  user-select: none;
}

.ipg-b24-principle__title {
  margin: 0;
  max-width: 11.5em;
  font-size: 20px;
  font-weight: 400;
  line-height: 1.3;
  color: var(--ipg-p-text);
}

@media (max-width: 1100px) {
  .ipg-b24-principles {
    --ipg-p-gap: 16px;
    padding: 8px 20px 40px;
  }

  .ipg-b24-principles__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ipg-b24-principle {
    min-height: 240px;
    padding: 24px;
  }

  .ipg-b24-principle__num {
    font-size: 64px;
  }
}

@media (max-width: 600px) {
  .ipg-b24-principles {
    padding: 8px 16px 32px;
  }

  .ipg-b24-principles__grid {
    grid-template-columns: 1fr;
  }

  .ipg-b24-principle {
    min-height: 220px;
    aspect-ratio: auto;
  }

  .ipg-b24-principle__title {
    font-size: 18px;
  }
}