/* defines the shared visual tokens and document defaults. */
:root {
  --page-bg: #f4f6f9;
  --paper: #fff;
  --text: #172033;
  --muted: #556173;
  --line: #dce2eb;
  --accent: #c56517;
  --accent-dark: #9a4b0f;
  --tint: #edf2f8;
  --shadow: 0 18px 42px rgba(17, 31, 51, 0.1);
}

/* normalizes sizing and page typography. */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--page-bg);
  color: var(--text);
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.65;
}
a { color: inherit; }

/* keeps primary navigation visible and compact. */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(8px);
}
.site-header__inner {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 13px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.breadcrumbs,
.language-switch {
  display: flex;
  align-items: center;
  gap: 10px;
}
.breadcrumbs a,
.language-switch a {
  text-decoration: none;
}
.breadcrumbs a:hover,
.language-switch a:hover { text-decoration: underline; }
.language-switch a {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 0.86rem;
}
.language-switch a[aria-current="page"] {
  border-color: var(--accent);
  color: var(--accent-dark);
  font-weight: 700;
}

/* gives the product introduction a stable two-column layout. */
.hero {
  width: min(1120px, calc(100% - 40px));
  margin: 36px auto 24px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.82fr);
  align-items: center;
  gap: 38px;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: clamp(24px, 4vw, 54px);
  background: var(--paper);
  box-shadow: var(--shadow);
}
.eyebrow {
  margin: 0 0 8px;
  color: var(--accent-dark);
  font-size: 0.83rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 1.08;
}
.lead {
  margin: 20px 0 0;
  color: var(--muted);
  font-size: clamp(1.03rem, 1.6vw, 1.2rem);
}
.hero__actions {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.button {
  display: inline-flex;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 10px 18px;
  background: var(--paper);
  font-weight: 750;
  text-decoration: none;
}
.button--primary {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
}
.button:hover { transform: translateY(-1px); }
.hero__media { margin: 0; }
.hero__media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 16px;
  background: var(--tint);
}

/* lays out the detailed capability and outcome sections. */
.content-section {
  width: min(1120px, calc(100% - 40px));
  margin: 24px auto;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: clamp(22px, 4vw, 44px);
  background: var(--paper);
}
.content-section--tinted { background: var(--tint); }
.content-section h2 {
  margin: 0 0 24px;
  font-size: clamp(1.45rem, 2.5vw, 2rem);
  line-height: 1.2;
}
.feature-grid,
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.feature-card,
.related-card {
  border: 1px solid var(--line);
  border-radius: 15px;
  padding: 20px;
  background: var(--paper);
}
.feature-card h3 { margin: 0 0 8px; }
.feature-card p { margin: 0; color: var(--muted); }
.benefit-list {
  margin: 0;
  padding-left: 1.3rem;
  columns: 2;
  column-gap: 48px;
}
.benefit-list li {
  margin: 0 0 12px;
  break-inside: avoid;
}
.related-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-decoration: none;
}
.related-card span { color: var(--muted); }
.related-card:hover { border-color: var(--accent); }

/* provides a restrained footer and mobile layout. */
.site-footer {
  width: min(1120px, calc(100% - 40px));
  margin: 28px auto 0;
  padding: 26px 0 40px;
  color: var(--muted);
}
@media (max-width: 820px) {
  .site-header__inner,
  .hero,
  .content-section,
  .site-footer { width: min(100% - 28px, 1120px); }
  .site-header__inner { align-items: flex-start; }
  .hero { grid-template-columns: 1fr; gap: 24px; }
  .feature-grid,
  .related-grid { grid-template-columns: 1fr; }
  .benefit-list { columns: 1; }
}