/* ==========================================================================
   Nestbox install guide — extends styles.css, no JavaScript, no build step.
   ========================================================================== */

.guide {
  padding-bottom: var(--section-space);
}

.guide .site-nav a[aria-current="page"] {
  color: var(--foreground);
}

.guide .site-nav a[aria-current="page"]::after {
  background: var(--primary);
}

.guide-hero {
  padding: clamp(3rem, 7vw, 5.5rem) 0 2.5rem;
  border-bottom: 1px solid var(--border);
  background:
    radial-gradient(48rem 24rem at 12% 0%, rgba(34, 211, 238, 0.1), transparent 70%),
    radial-gradient(36rem 22rem at 90% 10%, rgba(139, 92, 246, 0.08), transparent 70%);
}

.guide-hero h1 {
  margin: 1rem 0 1.1rem;
  font-size: clamp(2.1rem, 5vw, 3.3rem);
  letter-spacing: -0.035em;
  max-width: 22ch;
}

.guide-hero .lede {
  margin-inline: 0;
  max-width: 62ch;
  font-size: clamp(1.02rem, 1.4vw, 1.18rem);
  color: var(--muted);
}

.guide-facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.75rem;
  margin: 2rem 0 1.25rem;
  padding: 0;
  list-style: none;
}

.guide-facts li {
  padding: 0.85rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(19, 26, 43, 0.7);
  font-size: 0.9rem;
  color: var(--muted);
}

.guide-facts strong {
  display: block;
  margin-bottom: 0.2rem;
  color: var(--primary);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.guide-note {
  max-width: 66ch;
  color: var(--muted);
  font-size: 0.92rem;
}

.guide code {
  padding: 0.1em 0.35em;
  border-radius: 5px;
  background: rgba(34, 211, 238, 0.1);
  color: #A5F3FC;
  font-family: var(--font-mono);
  font-size: 0.88em;
}

.guide-body {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: clamp(2rem, 4vw, 4rem);
  padding-top: clamp(2.5rem, 5vw, 4rem);
  align-items: start;
}

/* ---------------------------------------------------------------- contents */

.guide-toc {
  position: sticky;
  top: 5.5rem;
  padding: 1.1rem 1.2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(19, 26, 43, 0.6);
}

.guide-toc h2 {
  margin: 0 0 0.8rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.guide-toc ol {
  margin: 0;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.45rem;
  font-size: 0.9rem;
  counter-reset: toc;
}

.guide-toc li::marker {
  color: var(--border);
}

.guide-toc a {
  color: var(--muted);
  text-decoration: none;
}

.guide-toc a:hover,
.guide-toc a:focus-visible {
  color: var(--primary);
}

/* ----------------------------------------------------------------- article */

.guide-article {
  max-width: 820px;
}

.guide-step {
  padding-top: 1rem;
  margin-bottom: clamp(3rem, 6vw, 4.5rem);
  scroll-margin-top: 6rem;
}

.guide-step + .guide-step {
  border-top: 1px solid var(--border);
  padding-top: 2.5rem;
}

.step-label {
  margin-bottom: 0.5rem;
  color: var(--primary);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.guide-step h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.55rem, 2.6vw, 2.05rem);
}

.guide-step p {
  margin-bottom: 1rem;
  color: #C6D0E2;
}

.guide-step p + figure,
.guide-step pre + figure,
.guide-step ul + figure {
  margin-top: 1.75rem;
}

/* ------------------------------------------------------------------ shots */

.shot {
  margin: 1.6rem 0 2rem;
}

.shot img {
  width: 100%;
  height: auto;
  display: block;
}

.zoom {
  display: block;
  text-decoration: none;
  border-radius: var(--radius);
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.zoom:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; }

.shot-narrow img {
  max-width: 100%;
}

.shot-small .frame {
  max-width: 520px;
}

figcaption {
  margin-top: 0.7rem;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.55;
}

figcaption code {
  font-size: 0.82em;
}

/* ------------------------------------------------------------------- code */

.code {
  margin: 1.2rem 0 1.6rem;
  padding: 1rem 1.15rem;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #0A0F1D;
  color: #D7E1F2;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  line-height: 1.7;
}

.code code {
  padding: 0;
  background: none;
  color: inherit;
  font-size: inherit;
}

/* --------------------------------------------------------------- parts */

.callout {
  margin: 1.5rem 0 1.9rem;
  padding: 1rem 1.15rem;
  border: 1px solid rgba(34, 211, 238, 0.28);
  border-left: 3px solid var(--primary);
  border-radius: var(--radius);
  background: rgba(34, 211, 238, 0.06);
}

.callout p {
  margin: 0;
  color: #B7E9F3;
  font-size: 0.92rem;
}

.callout strong {
  color: #E6FBFF;
}

.checklist {
  display: grid;
  gap: 0.7rem;
  margin: 1.2rem 0 1.6rem;
  padding: 0;
  list-style: none;
}

.checklist li {
  position: relative;
  padding-left: 1.6rem;
  color: #C6D0E2;
}

.checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 2px;
  background: var(--primary);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.12);
}

.checklist strong {
  color: var(--foreground);
}

.table-wrap {
  margin-top: 1.5rem;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.table-wrap table {
  width: 100%;
  min-width: 540px;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.table-wrap th,
.table-wrap td {
  padding: 0.8rem 1rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--border);
}

.table-wrap th {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  background: rgba(19, 26, 43, 0.7);
}

.table-wrap tr:last-child td {
  border-bottom: 0;
}

.table-wrap td:first-child {
  color: var(--foreground);
  font-weight: 500;
}

.table-wrap td:last-child {
  color: var(--muted);
}

/* -------------------------------------------------------------- responsive */

/* Wide screens: give the screenshots room while the prose keeps a readable measure. */
@media (min-width: 1180px) {
  .guide-body {
    max-width: 1240px;
    grid-template-columns: 200px minmax(0, 1fr);
  }

  .guide-article {
    max-width: none;
  }

  .guide-step > p,
  .guide-step > ul,
  .guide-step > pre,
  .guide-step > .callout,
  .guide-step > .table-wrap {
    max-width: 760px;
  }
}

@media (max-width: 900px) {
  .guide-body {
    grid-template-columns: minmax(0, 1fr);
  }

  .guide-toc {
    position: static;
    order: -1;
  }

  .guide-toc ol {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    column-gap: 1.2rem;
  }
}

@media (max-width: 620px) {
  .guide-facts {
    grid-template-columns: 1fr 1fr;
  }

  .guide-hero h1 {
    max-width: none;
  }

  .shot img {
    border-radius: 10px;
  }

  .code {
    font-size: 0.78rem;
  }
}