/* ──────────────────────────────────────────────────────────────
   Getting Started page. All selectors are scoped to .gs-* so this
   file cannot leak into the rest of the site.
   ────────────────────────────────────────────────────────────── */

/* ── Type ─────────────────────────────────────────────────────── */
.gs-hero,
.gs-content,
.gs-toc,
.gs-help {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

/* ── Hero ─────────────────────────────────────────────────────── */
.gs-hero {
  background: #1C9AAD;
  color: #fff;
  padding: 3rem 0 2.5rem;
}
.gs-hero h1 {
  color: #fff;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}
.gs-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  font-weight: 600;
  opacity: 0.85;
  margin-bottom: 0.5rem;
}
.gs-lede {
  font-size: 1rem;
  line-height: 1.6;
  max-width: 62rem;
  opacity: 0.95;
  margin-bottom: 0.7rem;
}
.gs-lede:last-child {
  margin-bottom: 0;
}
.gs-hero a {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.gs-hero a:hover {
  color: #dff2f5;
}
.gs-hero .btn {
  font-weight: 600;
}
.gs-hero .btn-outline-light:hover {
  color: #1C6CAD;
}

/* ── Page body ────────────────────────────────────────────────── */
.gs-body {
  padding: 2.25rem 0 3rem;
  background: #fff;
}
.gs-content {
  counter-reset: gs-step;
  max-width: 46rem;
  font-size: 1rem;
  line-height: 1.6;
  color: #343a40;
}
.gs-content > p:first-child {
  font-size: 1.08rem;
  color: #495057;
}

/* ── Numbered step headings (numbers come from the CSS counter,
      so the markdown stays clean and the TOC stays readable) ──── */
.gs-content h2 {
  counter-increment: gs-step;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.4rem;
  font-weight: 700;
  color: #16323f;
  margin: 2rem 0 0.85rem;
  padding-top: 1.35rem;
  border-top: 1px solid #eef1f3;
  scroll-margin-top: 6.5rem;
}
.gs-content h2::before {
  content: counter(gs-step);
  flex: 0 0 2rem;
  height: 2rem;
  border-radius: 50%;
  background: #1C9AAD;
  color: #fff;
  font-size: 0.95rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.gs-content h2:first-of-type {
  margin-top: 0.5rem;
  padding-top: 0;
  border-top: 0;
}

/* Sub-headings act as small labels: "Command line", "Python", … */
.gs-content h3 {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 700;
  color: #1C6CAD;
  margin: 1.25rem 0 0.5rem;
  scroll-margin-top: 6.5rem;
}

.gs-content p,
.gs-content ol,
.gs-content ul {
  margin-bottom: 0.85rem;
}
.gs-content ol,
.gs-content ul {
  padding-left: 1.25rem;
}
.gs-content li {
  margin-bottom: 0.2rem;
}

/* ── Code ─────────────────────────────────────────────────────── */
.gs-content code {
  background: #f1f4f6;
  color: #0f4c5c;
  padding: 0.15rem 0.35rem;
  border-radius: 4px;
  font-size: 0.875em;
}
.gs-content .highlight {
  position: relative;
  margin: 0 0 1rem;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid #e3e9ec;
}
.gs-content .highlight pre {
  margin: 0;
  padding: 0.8rem 1rem;
  font-size: 0.84rem;
  line-height: 1.55;
  overflow-x: auto;
}
.gs-content .highlight code {
  background: none;
  color: inherit;
  padding: 0;
  font-size: inherit;
}

.gs-copy {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  border: 1px solid #d7dee3;
  background: #fff;
  color: #5b6b74;
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.25rem 0.5rem;
  border-radius: 6px;
  opacity: 0;
  transition: opacity 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.gs-content .highlight:hover .gs-copy,
.gs-copy:focus {
  opacity: 1;
}
.gs-copy:hover {
  color: #1C9AAD;
  border-color: #9fd3db;
}
.gs-copy.copied {
  background: #1C9AAD;
  border-color: #1C9AAD;
  color: #fff;
  opacity: 1;
}

/* ── Expandable options ───────────────────────────────────────── */
.gs-options {
  counter-reset: gs-option;
  margin: 1rem 0 1.25rem;
}
.gs-option {
  border: 1px solid #e3e9ec;
  border-radius: 10px;
  background: #fff;
  margin-bottom: 0.45rem;
  overflow: hidden;
}
.gs-option[open] {
  border-color: #cfe4e8;
  box-shadow: 0 1px 2px rgba(16, 24, 40, 0.05),
              0 10px 24px -14px rgba(16, 24, 40, 0.3);
}
.gs-option > summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.7rem 0.9rem;
  font-weight: 600;
  color: #16323f;
  background: #fbfcfd;
}
.gs-option > summary::-webkit-details-marker {
  display: none;
}
.gs-option > summary::before {
  counter-increment: gs-option;
  content: "Option " counter(gs-option);
  flex: 0 0 auto;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #1C9AAD;
  background: #e7f4f6;
  border-radius: 999px;
  padding: 0.2rem 0.55rem;
}
.gs-option > summary::after {
  content: "";
  margin-left: auto;
  flex: 0 0 auto;
  width: 0.5rem;
  height: 0.5rem;
  border-right: 2px solid #8a9aa3;
  border-bottom: 2px solid #8a9aa3;
  transform: rotate(45deg);
  transition: transform 0.15s ease;
}
.gs-option[open] > summary::after {
  transform: rotate(-135deg);
}
.gs-option > summary:hover {
  background: #f3f8f9;
}
.gs-option-body {
  padding: 0.5rem 0.9rem 0.9rem;
}
.gs-option-body > :last-child {
  margin-bottom: 0;
}

/* ── Callout ──────────────────────────────────────────────────── */
.gs-note {
  border-left: 4px solid #1C9AAD;
  background: #f2fafb;
  border-radius: 0 8px 8px 0;
  padding: 0.85rem 1rem;
  margin: 1.25rem 0;
}
.gs-note-title {
  display: block;
  font-weight: 700;
  color: #14707e;
  font-size: 0.95rem;
  margin-bottom: 0.25rem;
}
.gs-note p:last-child {
  margin-bottom: 0;
}

/* ── Argument table ───────────────────────────────────────────── */
.gs-content table {
  font-size: 0.92rem;
}
.gs-content thead th {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #6c757d;
  font-weight: 700;
}

/* ── Sticky table of contents ─────────────────────────────────── */
.gs-toc {
  position: sticky;
  top: 6.5rem;
}
.gs-toc-title {
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.72rem;
  font-weight: 700;
  color: #6c757d;
  margin-bottom: 0.75rem;
}
.gs-toc nav > ul {
  counter-reset: gs-toc;
  border-left: 2px solid #e9ecef;
}
.gs-toc nav ul {
  list-style: none;
  padding-left: 0;
  margin: 0;
}
.gs-toc nav ul ul {
  display: none; /* top-level steps only */
}
.gs-toc nav > ul > li > a::before {
  counter-increment: gs-toc;
  content: counter(gs-toc) ".";
  color: #adb5bd;
  margin-right: 0.4rem;
  font-variant-numeric: tabular-nums;
}
.gs-toc nav a {
  display: block;
  padding: 0.35rem 0 0.35rem 0.9rem;
  margin-left: -2px;
  border-left: 2px solid transparent;
  color: #495057;
  text-decoration: none;
  font-size: 0.88rem;
  line-height: 1.35;
}
.gs-toc nav a:hover {
  color: #1C9AAD;
  border-left-color: #1C9AAD;
}

/* ── Closing help card ────────────────────────────────────────── */
.gs-help {
  max-width: 48rem;
  margin-top: 2.25rem;
  background: #f6f8f9;
  border: 1px solid #e9eef0;
  border-radius: 12px;
  padding: 1.5rem;
}
.gs-help h2 {
  font-size: 1.15rem;
  font-weight: 700;
  color: #16323f;
  margin-bottom: 0.85rem;
}
.gs-help p {
  margin-bottom: 1rem;
  color: #495057;
}