.iso-section {
  scroll-margin-top: 1.5rem;
  background: #e9edf2;
  padding: 3.5rem 1.25rem;
}

.iso-section__inner {
  display: grid;
  max-width: 72rem;
  margin: 0 auto;
  gap: 2.5rem;
  align-items: center;
}

.iso-section__certificate {
  text-align: center;
  color: #0f172a;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
}

.iso-section__certificate img {
  width: min(19rem, 80%);
  margin: 0 auto 1rem;
}

.iso-section__content {
  max-width: 50rem;
}

.iso-section__eyebrow {
  margin-bottom: 0.8rem;
  color: #1d4ed8;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.iso-section__content h2 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 900;
  line-height: 1.1;
  color: #0f172a;
}

.iso-section__content h2 span,
.iso-section__content h3 {
  color: #1d4ed8;
}

.iso-section__content h3 {
  margin-top: 1.25rem;
  font-size: clamp(1.35rem, 3vw, 2rem);
  font-weight: 800;
  line-height: 1.3;
}

.iso-section__content > p:not(.iso-section__eyebrow) {
  margin-top: 1rem;
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  font-weight: 700;
  line-height: 1.45;
  color: #273348;
}

.iso-section__content > a {
  display: inline-flex;
  margin-top: 1.75rem;
  border-radius: 0.375rem;
  background: #102a83;
  padding: 0.85rem 1.4rem;
  color: #fff;
  font-size: 0.9rem;
  font-weight: 800;
  transition: background-color 0.15s ease, transform 0.15s ease;
}

.iso-section__content > a:hover {
  background: #173aa9;
  transform: translateY(-1px);
}

.iso-article__hero {
  background: #102a83;
  color: #fff;
}

.iso-article__hero-inner {
  max-width: 56rem;
  margin: 0 auto;
  padding: 4.5rem 1.25rem 4rem;
}

.iso-article__hero p {
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #bfdbfe;
}

.iso-article__hero h1 {
  max-width: 48rem;
  margin-top: 1rem;
  font-size: clamp(2.25rem, 6vw, 4rem);
  font-weight: 900;
  line-height: 1.08;
}

.iso-article__rule {
  width: 5rem;
  height: 0.35rem;
  margin-top: 1.75rem;
  border-radius: 999px;
  background: #e0aa00;
}

.iso-article__body {
  max-width: 56rem;
  margin: 0 auto;
  padding: 3rem 1.25rem 4.5rem;
  color: #334155;
}

.iso-article__body > p {
  margin-top: 1.25rem;
  font-size: 1.08rem;
  line-height: 1.9;
}

.iso-article__body > p:first-child {
  margin-top: 0;
  font-size: 1.22rem;
  font-weight: 600;
  color: #0f172a;
}

.iso-article__body h2 {
  margin-top: 2.75rem;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 900;
  line-height: 1.2;
  color: #102a83;
}

.iso-article__body ol {
  display: grid;
  counter-reset: iso-reasons;
  gap: 1rem;
  margin-top: 1.5rem;
}

.iso-article__body li {
  counter-increment: iso-reasons;
  position: relative;
  border: 1px solid #e2e8f0;
  border-left: 4px solid #1d4ed8;
  border-radius: 0.5rem;
  background: #fff;
  padding: 1.25rem 1.25rem 1.25rem 4rem;
  font-size: 1rem;
  line-height: 1.75;
  box-shadow: 0 1px 3px #00000012;
}

.iso-article__body li::before {
  content: counter(iso-reasons);
  position: absolute;
  left: 1.25rem;
  top: 1.2rem;
  display: grid;
  width: 1.8rem;
  height: 1.8rem;
  place-items: center;
  border-radius: 999px;
  background: #102a83;
  color: #fff;
  font-size: 0.85rem;
  font-weight: 900;
}

.iso-article__body li strong {
  color: #0f172a;
}

.iso-article__certificate {
  margin-top: 3rem;
  border: 1px solid #e2e8f0;
  border-radius: 0.75rem;
  background: #fff;
  padding: clamp(1rem, 4vw, 2rem);
  box-shadow: 0 10px 28px #0f172a12;
}

.iso-article__certificate img {
  width: 100%;
  height: auto;
}

.iso-article__certificate figcaption {
  margin-top: 1rem;
  text-align: center;
  font-size: 0.9rem;
  font-weight: 700;
  color: #64748b;
}

.iso-article__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.iso-article__actions a {
  display: inline-flex;
  border-radius: 0.375rem;
  padding: 0.8rem 1.2rem;
  font-size: 0.9rem;
  font-weight: 800;
}

.iso-article__actions a:first-child {
  background: #102a83;
  color: #fff;
}

.iso-article__actions a:last-child {
  border: 1px solid #cbd5e1;
  color: #102a83;
  background: #fff;
}

@media (min-width: 48rem) {
  .iso-section {
    padding: 4.5rem 2rem;
  }

  .iso-section__inner {
    grid-template-columns: minmax(15rem, 0.65fr) minmax(0, 1.35fr);
  }

  .iso-article__hero-inner,
  .iso-article__body {
    padding-right: 2rem;
    padding-left: 2rem;
  }
}