.ksr-product {
  --ksr-ink: #0b3156;
  --ksr-blue: #0a5fa8;
  --ksr-blue-dark: #08497f;
  --ksr-line: #d9e3ec;
  --ksr-soft: #f4f7fa;
  --ksr-muted: #5d6d7e;
  width: min(1180px, calc(100% - 32px));
  margin: 32px auto 64px;
  color: #17212b;
  font-family: inherit;
}

.ksr-product *, .ksr-product *::before, .ksr-product *::after { box-sizing: border-box; }

.ksr-product__hero {
  display: grid;
  grid-template-columns: minmax(280px, 42%) minmax(0, 1fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
  padding: clamp(24px, 4vw, 52px);
  border: 1px solid var(--ksr-line);
  border-radius: 22px;
  background: #fff;
  box-shadow: 0 18px 50px rgba(20, 53, 82, 0.08);
}

.ksr-product__media {
  min-height: 320px;
  display: grid;
  place-items: center;
  padding: 24px;
  border-radius: 18px;
  background: linear-gradient(145deg, #f7fafc, #eef4f8);
}

.ksr-product__media img {
  display: block;
  width: 100%;
  max-height: 440px;
  object-fit: contain;
}

.ksr-product__placeholder {
  font-size: clamp(34px, 6vw, 72px);
  font-weight: 800;
  letter-spacing: 0.08em;
  color: #b9c7d3;
}

.ksr-product__eyebrow {
  margin: 0 0 12px;
  color: var(--ksr-blue);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.ksr-product__intro h1 {
  margin: 0;
  color: var(--ksr-ink);
  font-size: clamp(34px, 5vw, 60px);
  line-height: 1.05;
  letter-spacing: -0.035em;
}

.ksr-product__code {
  margin: 16px 0 0;
  color: var(--ksr-muted);
}

.ksr-product__key-specs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 26px 0;
}

.ksr-product__key-specs div {
  padding: 15px 17px;
  border: 1px solid var(--ksr-line);
  border-radius: 12px;
  background: var(--ksr-soft);
}

.ksr-product__key-specs dt {
  color: var(--ksr-muted);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.ksr-product__key-specs dd {
  margin: 6px 0 0;
  color: var(--ksr-ink);
  font-size: 19px;
  font-weight: 800;
}

.ksr-product__quote,
.ksr-product__pdf-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 22px;
  border-radius: 10px;
  background: var(--ksr-blue);
  color: #fff !important;
  font-weight: 800;
  text-decoration: none !important;
  transition: background .2s ease, transform .2s ease;
}

.ksr-product__quote:hover,
.ksr-product__pdf-button:hover {
  background: var(--ksr-blue-dark);
  transform: translateY(-1px);
}

.ksr-product__tabs {
  display: flex;
  gap: 8px;
  margin: 38px 0 0;
  padding: 8px;
  border: 1px solid var(--ksr-line);
  border-radius: 14px;
  background: var(--ksr-soft);
}

.ksr-product__tabs button {
  flex: 1;
  min-height: 48px;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: var(--ksr-ink);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.ksr-product__tabs button[aria-selected="true"] {
  background: #fff;
  color: var(--ksr-blue);
  box-shadow: 0 6px 20px rgba(14, 55, 89, 0.1);
}

.ksr-product__panel {
  margin-top: 20px;
  padding: clamp(24px, 4vw, 48px);
  border: 1px solid var(--ksr-line);
  border-radius: 18px;
  background: #fff;
}

.ksr-product.is-tabs-ready .ksr-product__panel[hidden] { display: none; }

.ksr-product__panel > h2 {
  margin: 0 0 28px;
  color: var(--ksr-ink);
  font-size: clamp(28px, 4vw, 40px);
  letter-spacing: -0.025em;
}

.ksr-product__overview {
  color: #263746;
  font-size: 17px;
  line-height: 1.75;
}

.ksr-product__overview h2,
.ksr-product__overview h3,
.ksr-product__overview h4 {
  margin: 34px 0 12px;
  color: var(--ksr-ink);
  line-height: 1.2;
}

.ksr-product__overview h3 { font-size: 25px; }
.ksr-product__overview p { margin: 0 0 18px; }
.ksr-product__overview ul,
.ksr-product__overview ol { margin: 0 0 22px; padding-left: 24px; }
.ksr-product__overview li { margin: 7px 0; }
.ksr-product__overview img { display: block; max-width: 100%; height: auto; margin: 22px auto; border-radius: 12px; }
.ksr-product__overview table { width: 100%; border-collapse: collapse; margin: 22px 0; }
.ksr-product__overview th,
.ksr-product__overview td { padding: 12px; border: 1px solid var(--ksr-line); text-align: left; vertical-align: top; }

.ksr-product__table-wrap { overflow-x: auto; }
.ksr-product__datasheet { width: 100%; border-collapse: separate; border-spacing: 0; border: 1px solid var(--ksr-line); border-radius: 12px; overflow: hidden; }
.ksr-product__datasheet th,
.ksr-product__datasheet td { padding: 15px 18px; border-bottom: 1px solid var(--ksr-line); text-align: left; vertical-align: top; }
.ksr-product__datasheet th { width: 42%; color: var(--ksr-ink); background: var(--ksr-soft); font-weight: 750; }
.ksr-product__datasheet tr:last-child th,
.ksr-product__datasheet tr:last-child td { border-bottom: 0; }

.ksr-product__notice {
  margin: 0;
  padding: 18px;
  border: 1px solid #e7d7a8;
  border-radius: 10px;
  background: #fff9e8;
  color: #6c5821;
}

.ksr-product__pdf-actions { margin: 28px 0 18px; }
.ksr-product__pdf { position: relative; min-height: 680px; border: 1px solid var(--ksr-line); border-radius: 12px; overflow: hidden; background: var(--ksr-soft); }
.ksr-product__pdf iframe { display: block; width: 100%; height: 760px; border: 0; }

@media (max-width: 800px) {
  .ksr-product { width: min(100% - 20px, 1180px); margin-top: 18px; }
  .ksr-product__hero { grid-template-columns: 1fr; padding: 22px; }
  .ksr-product__media { min-height: 250px; }
  .ksr-product__key-specs { grid-template-columns: 1fr; }
  .ksr-product__panel { padding: 22px 17px; }
  .ksr-product__datasheet th,
  .ksr-product__datasheet td { display: block; width: 100%; }
  .ksr-product__datasheet th { border-bottom: 0; padding-bottom: 6px; }
  .ksr-product__datasheet td { padding-top: 6px; }
  .ksr-product__pdf { min-height: 480px; }
  .ksr-product__pdf iframe { height: 560px; }
}