/**
 * راهنمای برند نترون — سایدبار تودرتو، پالت رنگ، سکشن فیگما
 * بر پایهٔ چیدمان privacy-page (netron-privacy-page).
 */

main.site-main.brand-guide-page {
  overflow-x: visible;
  overflow-y: visible;
}

.brand-guide-page .privacy-page__layout {
  grid-template-columns: minmax(260px, 320px) minmax(0, 1fr);
}

/*
 * موبایل: قانون تک‌ستونهٔ privacy-page با specificity پایین‌تر از بالا OVERRIDE می‌شد
 * و گرید دو ستونه می‌ماند → محتوا کنار فهرست فشرده می‌شد. اینجا همان specificity را تکمیل می‌کنیم.
 */
@media (max-width: 991px) {
  .brand-guide-page .privacy-page__layout {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-4);
  }

  .brand-guide-page .privacy-page__sidebar {
    order: 1;
    min-width: 0;
    width: 100%;
    max-width: 100%;
  }

  .brand-guide-page .privacy-page__main {
    order: 2;
    min-width: 0;
    width: 100%;
  }

  .brand-guide-page .privacy-page__sidebar-sticky {
    position: relative;
    top: auto;
  }
}

.brand-guide__toc {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

/* اکاردئون موبایل؛ در ≥992px با JS همه [open] و استایل شبیه فهرست تخت */
.brand-guide__toc-details {
  margin: 0;
  padding: 0;
  border-radius: var(--radius-md);
  border: 1px solid color-mix(in srgb, var(--color-divider) 90%, transparent);
  background-color: color-mix(in srgb, var(--color-background) 88%, #fff);
}

.brand-guide__toc-summary {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-text-secondary);
  text-align: right;
  list-style: none;
  cursor: pointer;
  user-select: none;
}

.brand-guide__toc-summary::-webkit-details-marker {
  display: none;
}

.brand-guide__toc-summary::marker {
  content: "";
}

.brand-guide__toc-summary-label {
  flex: 1;
  min-width: 0;
}

.brand-guide__toc-chevron {
  flex-shrink: 0;
  width: 0.55rem;
  height: 0.55rem;
  margin-inline-start: var(--space-2);
  border-inline-end: 2px solid currentcolor;
  border-bottom: 2px solid currentcolor;
  transform: rotate(45deg);
  transition: transform 0.2s ease;
  opacity: 0.85;
}

.brand-guide__toc-details[open] .brand-guide__toc-chevron {
  transform: rotate(225deg);
}

@media (min-width: 992px) {
  .brand-guide__toc {
    gap: var(--space-5);
  }

  .brand-guide__toc-details {
    border: none;
    background: transparent;
    border-radius: 0;
  }

  .brand-guide__toc-summary {
    padding: 0;
    margin: 0 0 var(--space-2);
    cursor: default;
    pointer-events: none;
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--color-text-secondary);
  }

  .brand-guide__toc-chevron {
    display: none;
  }
}

.brand-guide__toc-sub {
  list-style: none;
  margin: 0;
  padding: 0 0 var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding-inline-start: var(--space-3);
  margin-inline-start: var(--space-3);
  margin-inline-end: var(--space-2);
  border-inline-start: 2px solid color-mix(in srgb, var(--color-primary) 40%, var(--color-divider));
}

@media (min-width: 992px) {
  .brand-guide__toc-sub {
    padding-bottom: 0;
    margin-inline-start: 0;
    margin-inline-end: 0;
  }
}

.brand-guide__toc-sub .privacy-page__toc-link {
  font-size: 0.875rem;
  line-height: 1.55;
}

.brand-guide__section-title-en {
  display: block;
  margin-top: var(--space-1);
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--color-text-secondary);
}

.brand-guide__palette-intro {
  margin: 0 0 var(--space-4);
}

.brand-guide__palette-stack {
  display: flex;
  flex-direction: column;
  gap: clamp(2.5rem, 6vw, 4rem);
  margin-top: var(--space-4);
}

.brand-guide__palette-band-title {
  margin: 0 0 var(--space-4);
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.45;
  color: var(--color-text-heading);
  text-align: right;
}

.brand-guide__palette-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
}

@media (min-width: 600px) {
  .brand-guide__palette-grid--2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .brand-guide__palette-grid--4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .brand-guide__palette-grid--3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .brand-guide__palette-grid--4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .brand-guide__palette-grid--3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.brand-guide__color-card {
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-divider);
  background-color: color-mix(in srgb, var(--color-background) 94%, #fff);
  overflow: hidden;
  text-align: right;
  padding: 8px;
}

.brand-guide__swatch {
  margin-bottom: 12px;
  border-radius: 6px;
  flex-shrink: 0;
  height: 7.5rem;
  border-bottom: 1px solid var(--color-divider);
}

.brand-guide__swatch--gradient {
  background: linear-gradient(135deg, #161c3e 0%, #0f172a 100%);
}

.brand-guide__color-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  flex: 1;
}

.brand-guide__color-name {
  margin: 0;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.45;
  color: var(--color-text-heading);
}

.brand-guide__color-row {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--color-text-body);
}

.brand-guide__color-row code {
  padding: 0.15em 0.35em;
  border-radius: var(--radius-sm);
  background-color: color-mix(in srgb, var(--color-divider) 45%, transparent);
  font-family: ui-monospace, monospace;
  font-size: 0.8125rem;
  direction: ltr;
  unicode-bidi: embed;
}

.brand-guide__h3 {
  margin: var(--space-5) 0 var(--space-3);
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.45;
  color: var(--color-primary);
  text-align: right;
}

.brand-guide__h3:first-child {
  margin-top: 0;
}

.brand-guide__equation-wrap {
  margin: var(--space-4) 0;
  padding: var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-divider);
  background-color: color-mix(in srgb, var(--color-background) 92%, #fff);
  text-align: center;
}

.brand-guide__equation {
  margin: 0 0 var(--space-2);
  font-family: ui-monospace, 'Courier New', monospace;
  font-size: clamp(0.875rem, 2vw, 1rem);
  font-weight: 600;
  line-height: 1.6;
  color: var(--color-text-heading);
  direction: ltr;
  unicode-bidi: embed;
}

.brand-guide__equation-fa {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--color-text-body);
}

.brand-guide__tone-example {
  margin: var(--space-4) 0 0;
  padding: var(--space-4);
  border-radius: var(--radius-md);
  border-inline-start: 4px solid var(--color-primary);
  background-color: color-mix(in srgb, var(--color-primary) 6%, var(--color-background));
}

.brand-guide__tone-example p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 2;
  color: var(--color-text-body);
}

.brand-guide__tone-example p + p {
  margin-top: var(--space-3);
}

.brand-guide__callout-warn {
  margin-top: var(--space-4);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid color-mix(in srgb, var(--color-warning, #ffc107) 45%, var(--color-divider));
  background-color: color-mix(in srgb, var(--color-warning, #ffc107) 10%, var(--color-background));
}

.brand-guide__callout-warn p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 2;
  color: var(--color-text-body);
}

.brand-guide__callout-warn p + p {
  margin-top: var(--space-3);
}

.brand-guide__ui-dark {
  margin-top: var(--space-4);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid color-mix(in srgb, #fff 12%, transparent);
  background: linear-gradient(135deg, #161c3e 0%, #0f172a 100%);
}

.brand-guide__ui-dark p {
  margin: 0;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.75;
  color: #f8fafc;
  text-align: right;
}

.brand-guide__figma {
  scroll-margin-top: calc(var(--header-bar-height) + var(--space-4));
  box-sizing: border-box;
  padding: clamp(var(--space-5), 4vw, var(--space-6));
  border-radius: var(--radius-lg);
  border: 1px solid color-mix(in srgb, #fff 10%, transparent);
  background-color: #12182b;
  text-align: right;
}

.brand-guide__figma-inner {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
}

.brand-guide__figma-content {
  padding: 16px;
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-4);
}

.brand-guide__figma-title {
  margin: 0;
  font-size: clamp(1.0625rem, 2.4vw, 1.35rem);
  font-weight: 800;
  line-height: 1.45;
  color: #f8fafc;
}

.brand-guide__figma-lead {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 2;
  color: color-mix(in srgb, #f8fafc 78%, transparent);
}

.brand-guide__figma-icon-wrap {
  margin-top: 16px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand-guide__figma-icon-wrap svg {
  display: block;
  width: clamp(4rem, 14vw, 5.3125rem);
  height: auto;
}

.brand-guide__figma-btn {
  box-sizing: border-box;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  align-self: flex-start;
  min-height: 48px;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  border: none;
  font-family: var(--font-primary);
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1.45;
  color: #fff;
  text-decoration: none;
  background-color: #2563eb;
  cursor: pointer;
  transition: opacity 0.15s ease;
}

.brand-guide__figma-btn:hover {
  opacity: 0.92;
}

.brand-guide__figma-btn:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 3px;
}

@media (max-width: 767px) {
  .brand-guide__figma-inner {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }

  .brand-guide__figma-content {
    align-items: center;
  }

  .brand-guide__figma-btn {
    align-self: center;
    width: 100%;
    max-width: 20rem;
  }

  .brand-guide__figma-icon-wrap {
    order: -1;
  }
}