.binary-operations-page {
  max-width: 1180px;
  margin: 0 auto;
  padding: 32px 20px 56px;
  color: #172033;
}

.binary-hero {
  background: linear-gradient(135deg, #f3efe3 0%, #d8ecff 100%);
  border: 1px solid #d6dfeb;
  border-radius: 24px;
  padding: 32px;
  box-shadow: 0 20px 50px rgba(23, 32, 51, 0.08);
}

.binary-kicker {
  margin: 0 0 10px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #9b3d12;
}

.binary-hero h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.3rem);
  line-height: 1.1;
}

.binary-intro {
  max-width: 820px;
  margin: 18px 0 0;
  font-size: 1.05rem;
  line-height: 1.7;
}

.binary-quick-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.binary-quick-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border-radius: 999px;
  background: #172033;
  color: #ffffff;
  text-decoration: none;
  font-weight: 600;
}

.binary-quick-links a:hover {
  background: #9b3d12;
}

.binary-calculator-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  margin-top: 30px;
}

.binary-card,
.binary-content-section {
  background: #ffffff;
  border: 1px solid #dbe2ea;
  border-radius: 22px;
  padding: 24px;
  box-shadow: 0 14px 34px rgba(23, 32, 51, 0.06);
}

.binary-card h2,
.binary-content-section h2 {
  margin: 0 0 12px;
  font-size: 1.55rem;
}

.binary-card p,
.binary-content-section p,
.binary-content-section li {
  line-height: 1.7;
}

.binary-card label {
  display: block;
  margin-top: 14px;
  margin-bottom: 6px;
  font-weight: 700;
}

.binary-card input {
  width: 100%;
  border: 1px solid #bcc9d8;
  border-radius: 14px;
  padding: 13px 14px;
  font-size: 1rem;
  background: #f8fbff;
}

.binary-card button {
  margin-top: 18px;
  width: 100%;
  border: none;
  border-radius: 14px;
  padding: 14px 18px;
  background: #9b3d12;
  color: #ffffff;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
}

.binary-card button:hover {
  background: #7c2f0d;
}

.binary-result {
  margin-top: 18px;
  min-height: 72px;
  border-radius: 16px;
  padding: 16px;
  background: #f3f8fd;
  border: 1px solid #d9e5f0;
}

.binary-result strong {
  display: block;
  margin-bottom: 6px;
  color: #0d3b66;
}

.binary-result.error {
  background: #fff1f1;
  border-color: #efc2c2;
  color: #8a1c1c;
}

.binary-content-section {
  margin-top: 24px;
}

.binary-content-section h3 {
  margin-top: 18px;
  margin-bottom: 8px;
  font-size: 1.15rem;
}

.binary-content-section ol {
  margin: 0;
  padding-left: 22px;
}

.faq-item + .faq-item {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid #e4ebf2;
}

@media (max-width: 900px) {
  .binary-calculator-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .binary-operations-page {
    padding: 20px 14px 44px;
  }

  .binary-hero,
  .binary-card,
  .binary-content-section {
    padding: 18px;
    border-radius: 18px;
  }

  .binary-quick-links a {
    width: 100%;
  }
}