:root {
  --bg: #f2f6f5;
  --bg-deep: #e8efed;
  --surface: rgba(255, 255, 255, 0.9);
  --line: rgba(31, 64, 90, 0.16);
  --text: #142331;
  --text-soft: rgba(20, 35, 49, 0.76);
  --text-muted: rgba(20, 35, 49, 0.6);
  --blue: #246fad;
  --blue-strong: #0f558c;
  --green: #148c78;
  --shadow: 0 20px 58px rgba(32, 62, 82, 0.13);
  --content: min(1120px, calc(100vw - 40px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 50% 0%, rgba(65, 139, 196, 0.1), transparent 30%),
    linear-gradient(180deg, #fbfcfb, var(--bg) 48%, var(--bg-deep));
  font-family: Manrope, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a {
  color: inherit;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
}

.site-header-inner,
.page,
.site-footer-inner {
  width: var(--content);
  margin: 0 auto;
}

.site-header-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
}

.brand img {
  width: 32px;
  height: 38px;
}

.brand strong,
h1,
h2,
h3 {
  font-family: Sora, ui-sans-serif, system-ui, sans-serif;
}

.brand span {
  display: block;
  margin-top: 0.12rem;
  color: var(--text-muted);
  font-size: 0.76rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--text-soft);
}

.site-nav a {
  text-decoration: none;
}

.button,
.button-secondary,
.button-small {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.72rem 1rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 800;
  text-decoration: none;
}

.button,
.button-small {
  color: #fff;
  background: linear-gradient(180deg, #2d86cd, #155f9f);
}

.button-small {
  min-height: 38px;
  padding: 0.55rem 0.9rem;
}

.button-secondary {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.8);
}

.page {
  padding: 2rem 0 4.5rem;
}

.breadcrumb {
  margin: 0 0 2rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.breadcrumb a {
  text-underline-offset: 0.2rem;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(460px, 1.1fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
  padding: 1.5rem 0 4rem;
}

.eyebrow {
  margin: 0 0 0.8rem;
  color: var(--green);
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(2.65rem, 6vw, 4.8rem);
  line-height: 1.02;
  max-width: 12ch;
}

.lead {
  margin: 1.15rem 0 0;
  max-width: 630px;
  color: var(--text-soft);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 1.62;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.hero-media,
.media {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: #fff;
  box-shadow: var(--shadow);
}

.hero-media figcaption,
.media figcaption {
  padding: 0.7rem 0.9rem;
  color: var(--text-soft);
  font-size: 0.82rem;
}

.section {
  padding: 3.8rem 0;
  border-top: 1px solid var(--line);
}

.section-head {
  max-width: 720px;
  margin-bottom: 2rem;
}

h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.15rem);
  line-height: 1.08;
}

.section-head p,
.copy p,
.card p,
.step p {
  color: var(--text-soft);
  line-height: 1.66;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.2rem;
}

.card,
.step,
.callout {
  padding: 1.4rem;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--surface);
}

.card h3,
.step h3 {
  margin: 0;
  font-size: 1.2rem;
}

.card .card-heading {
  margin: 0;
  font-size: 1.2rem;
  line-height: 1.2;
}

.step .card-heading {
  margin: 0;
  font-size: 1.2rem;
  line-height: 1.2;
}

.card p,
.step p {
  margin: 0.65rem 0 0;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(440px, 1.05fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: center;
}

.copy h2 {
  font-size: clamp(1.8rem, 3.4vw, 2.7rem);
}

.plain-list {
  margin: 1.2rem 0 0;
  padding-left: 1.2rem;
  color: var(--text-soft);
  line-height: 1.7;
}

.steps {
  display: grid;
  gap: 0.9rem;
  counter-reset: steps;
}

.section-steps {
  margin-top: 1.2rem;
}

.step {
  position: relative;
  padding-left: 4rem;
  counter-increment: steps;
}

.step::before {
  content: counter(steps);
  position: absolute;
  top: 1.35rem;
  left: 1.35rem;
  width: 1.8rem;
  height: 1.8rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--blue);
  font-weight: 800;
}

pre {
  margin: 1.2rem 0 0;
  padding: 1.2rem;
  overflow-x: auto;
  border-radius: 16px;
  color: #eaf2f7;
  background: #142331;
  line-height: 1.6;
}

code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.callout {
  margin-top: 1.2rem;
  border-left: 4px solid var(--green);
}

.callout strong {
  display: block;
  margin-bottom: 0.35rem;
}

.related {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.related-lead {
  margin-bottom: 1.2rem;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--surface);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 680px;
}

th,
td {
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  line-height: 1.5;
}

th {
  color: var(--text);
  background: rgba(36, 111, 173, 0.07);
  font-size: 0.86rem;
}

td {
  color: var(--text-soft);
}

tbody tr:last-child td {
  border-bottom: 0;
}

.article-copy {
  max-width: 780px;
}

.article-copy h2 {
  margin-top: 2.4rem;
  font-size: clamp(1.65rem, 3vw, 2.3rem);
}

.article-copy h2:first-child {
  margin-top: 0;
}

.article-copy p {
  color: var(--text-soft);
  line-height: 1.72;
}

.article-copy a {
  color: var(--blue-strong);
  text-underline-offset: 0.2rem;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.62);
}

.site-footer-inner {
  min-height: 86px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.site-footer nav {
  display: flex;
  gap: 1rem;
}

@media (max-width: 900px) {
  .hero,
  .split {
    grid-template-columns: 1fr;
  }

}

@media (max-width: 640px) {
  :root {
    --content: calc(100vw - 28px);
  }

  .site-header {
    position: static;
  }

  .site-header-inner {
    padding: 0.75rem 0;
    display: grid;
    grid-template-columns: 1fr;
    align-items: flex-start;
  }

  .site-nav {
    display: flex;
    justify-content: flex-start;
    gap: 1rem;
    font-size: 0.9rem;
  }

  .site-nav .button-small {
    display: none;
  }

  .page {
    padding-top: 1.3rem;
  }

  .hero {
    padding: 0 0 3rem;
  }

  h1 {
    max-width: 100%;
    font-size: clamp(2.3rem, 10.5vw, 3.2rem);
    overflow-wrap: break-word;
  }

  .content-grid {
    grid-template-columns: 1fr;
  }

  .actions .button,
  .actions .button-secondary {
    width: 100%;
  }

  .site-footer-inner {
    padding: 1.2rem 0;
    display: grid;
  }
}