/* ==========================================================================
   Samsung-Elite — Appliance hubs, fault guides & error-code pages
   ========================================================================== */

/* ---------- Page hero variants ---------- */
.page-hero__inner { display: grid; grid-template-columns: minmax(0, 1fr); gap: 32px; align-items: center; }
.page-hero__meta { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 18px; list-style: none; padding: 0; font-size: var(--fs-sm); color: var(--c-muted); }
.page-hero__meta li { display: inline-flex; align-items: center; gap: 6px; }
.page-hero__meta .icon { width: 17px; height: 17px; color: var(--c-primary); }
.page-hero__actions { margin-top: 24px; }
.page-hero--dark { background: var(--g-dark); color: var(--d-ink); padding-bottom: clamp(48px, 7vw, 96px); }
.page-hero--dark .page-hero__bg { background-image: linear-gradient(rgba(125, 155, 255, 0.07) 1px, transparent 1px), linear-gradient(90deg, rgba(125, 155, 255, 0.07) 1px, transparent 1px); background-size: 56px 56px; mask-image: radial-gradient(ellipse 70% 70% at 70% 40%, #000 25%, transparent 75%); -webkit-mask-image: radial-gradient(ellipse 70% 70% at 70% 40%, #000 25%, transparent 75%); }
.page-hero--dark h1 { color: #fff; }
.page-hero--dark .page-hero__lead, .page-hero--dark .page-hero__meta { color: var(--d-muted); }
.page-hero--dark .page-hero__meta .icon { color: var(--c-accent); }
.page-hero--dark .eyebrow { color: #cfe0ff; background: rgba(61, 107, 255, 0.14); border-color: rgba(125, 155, 255, 0.28); }
.page-hero--dark .breadcrumbs, .page-hero--dark .breadcrumbs a { color: var(--d-muted); }
.page-hero--dark .breadcrumbs [aria-current] { color: #fff; }
.page-hero__visual { position: relative; aspect-ratio: 1 / 0.85; max-width: 520px; width: 100%; margin-inline: auto; }
.page-hero__visual::before { content: ''; position: absolute; inset: 15%; border-radius: 50%; background: radial-gradient(circle, rgba(31, 75, 255, 0.5), transparent 65%); filter: blur(30px); }
.page-hero__img { position: absolute; filter: drop-shadow(0 34px 40px rgba(0, 0, 0, 0.55)); }
.page-hero__img--0 { width: 62%; left: 30%; bottom: 0; z-index: 2; }
.page-hero__img--1 { width: 50%; left: 2%; top: 2%; opacity: 0.85; }

/* ---------- Guide layout ---------- */
.guide__layout { display: grid; grid-template-columns: minmax(0, 1fr); gap: 32px; align-items: start; }
.guide__article { min-width: 0; }
.guide__section { padding-top: 12px; margin-top: 44px; scroll-margin-top: calc(var(--header-h) + 20px); }
.guide__section > h2 { font-size: clamp(1.4rem, 1.1rem + 1.2vw, 1.9rem); margin-bottom: 18px; }
.guide__section > p, .guide__prose p { font-size: var(--fs-md); color: var(--c-ink-2); line-height: 1.9; }
.guide__section > p + p, .guide__prose p + p { margin-top: 1em; }
.guide__prose h2 { font-size: var(--fs-h2); margin-block: 16px 20px; }

.quick-answer { display: flex; gap: 16px; padding: 22px; border-radius: var(--r-lg); background: linear-gradient(135deg, var(--c-primary-50), #fff); border: 1px solid var(--c-primary-100); }
.quick-answer__icon { flex-shrink: 0; display: grid; place-items: center; width: 46px; height: 46px; border-radius: 14px; background: var(--g-primary); color: #fff; }
.quick-answer h2 { font-size: 1.05rem; margin-bottom: 6px; color: var(--c-primary-700); }
.quick-answer p { color: var(--c-ink-2); line-height: 1.85; }

.cause-list { display: grid; gap: 14px; list-style: none; padding: 0; }
.cause { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 16px; padding: 20px; border-radius: var(--r-lg); background: #fff; border: 1px solid var(--c-line); scroll-margin-top: calc(var(--header-h) + 20px); transition: border-color var(--t), box-shadow var(--t); }
.cause:hover, .cause:target { border-color: var(--c-primary-100); box-shadow: var(--sh); }
.cause:target { border-color: var(--c-primary); }
.cause__num { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 12px; background: #0b1020; color: #5fb6ff; font-weight: 700; }
.cause__body h3 { font-size: 1.12rem; margin-bottom: 8px; }
.cause__body p { color: var(--c-ink-2); line-height: 1.85; }
.cause__parts { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-top: 12px; font-size: var(--fs-sm); color: var(--c-muted); }
.cause__parts .chip { padding: 4px 10px; font-size: var(--fs-xs); background: var(--c-surface); }

.safety-box { display: flex; gap: 12px; padding: 16px 18px; margin-bottom: 18px; border-radius: var(--r); background: #fff8eb; border: 1px solid #f6dfb0; color: #6b4300; }
.safety-box > .icon { color: var(--c-warn); width: 24px; height: 24px; flex-shrink: 0; margin-top: 2px; }
.safety-box p { font-size: var(--fs-sm); line-height: 1.8; margin-top: 4px; }
.steps { counter-reset: step; display: grid; gap: 10px; list-style: none; padding: 0; }
.steps li { counter-increment: step; position: relative; padding: 14px 16px; padding-inline-start: 58px; border-radius: var(--r); background: var(--c-surface); color: var(--c-ink-2); line-height: 1.8; }
.steps li::before { content: counter(step); position: absolute; inset-inline-start: 14px; top: 13px; display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: var(--c-primary); color: #fff; font-weight: 700; font-size: var(--fs-sm); }

.parts-grid { display: grid; gap: 12px; grid-template-columns: minmax(0, 1fr); }
.part-card { display: flex; gap: 14px; padding: 16px; border-radius: var(--r); border: 1px solid var(--c-line); background: #fff; }
.part-card__icon { flex-shrink: 0; display: grid; place-items: center; width: 42px; height: 42px; border-radius: 12px; background: var(--c-primary-50); color: var(--c-primary); }
.part-card h3 { font-size: 1rem; margin-bottom: 4px; }
.part-card p { font-size: var(--fs-sm); color: var(--c-muted); line-height: 1.7; }

.when-list { display: grid; gap: 10px; list-style: none; padding: 0; }
.when-list li { display: flex; gap: 10px; align-items: flex-start; color: var(--c-ink-2); line-height: 1.8; }
.when-list .icon { color: var(--c-primary); margin-top: 4px; width: 18px; height: 18px; }
.inline-cta { display: grid; gap: 16px; margin-top: 24px; padding: 22px; border-radius: var(--r-lg); background: var(--g-dark); color: #fff; }
.inline-cta h3 { font-size: 1.15rem; margin-bottom: 6px; }
.inline-cta p { color: var(--d-muted); font-size: var(--fs-sm); }

.code-chips { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; }
.code-chips .chip { transition: all var(--t-fast); }
.code-chips .chip:hover { background: var(--c-primary); border-color: var(--c-primary); color: #fff; }

/* Aside: TOC + CTA */
.guide__aside { display: grid; gap: 16px; }
.toc { padding: 18px; border-radius: var(--r-lg); background: var(--c-surface); border: 1px solid var(--c-line); }
.toc__title { display: flex; align-items: center; gap: 8px; font-weight: 700; margin-bottom: 10px; }
.toc__title .icon { color: var(--c-primary); }
.toc ol { display: grid; gap: 2px; list-style: none; padding: 0; }
.toc a { display: block; padding: 8px 12px; border-radius: 10px; font-size: var(--fs-sm); color: var(--c-ink-2); border-inline-start: 2px solid transparent; transition: all var(--t-fast); }
.toc a:hover { background: #fff; color: var(--c-ink); }
.toc a.is-active { background: #fff; color: var(--c-primary-600); font-weight: 600; border-inline-start-color: var(--c-primary); }
.side-cta { display: grid; gap: 10px; padding: 20px; border-radius: var(--r-lg); background: var(--g-dark); color: #fff; }
.side-cta h2 { font-size: 1.1rem; }
.side-cta p { font-size: var(--fs-sm); color: var(--d-muted); }
.side-cta__phone { display: flex; align-items: center; gap: 8px; font-size: 1.45rem; font-weight: 700; margin-block: 4px; }
.side-cta__phone .icon { color: var(--c-accent); }

/* Linked guide cards */
.guide-cards { display: grid; gap: 12px; grid-template-columns: minmax(0, 1fr); }
.guide-card { display: flex; align-items: center; gap: 14px; padding: 16px 18px; border-radius: var(--r); background: #fff; border: 1px solid var(--c-line); transition: border-color var(--t), box-shadow var(--t), transform var(--t) var(--ease); }
.guide-card:hover { border-color: var(--c-primary-100); box-shadow: var(--sh); transform: translateY(-3px); }
.guide-card__icon { flex-shrink: 0; display: grid; place-items: center; width: 46px; height: 46px; border-radius: 14px; background: var(--c-primary-50); color: var(--c-primary); transition: background-color var(--t), color var(--t); }
.guide-card:hover .guide-card__icon { background: var(--c-primary); color: #fff; }
.guide-card__body { display: grid; gap: 3px; flex: 1; min-width: 0; }
.guide-card__title { font-weight: 600; line-height: 1.4; }
.guide-card__desc { font-size: var(--fs-sm); color: var(--c-muted); line-height: 1.6; }
.guide-card__arrow { width: 18px; height: 18px; color: var(--c-muted); flex-shrink: 0; }

/* ---------- Hub sections ---------- */
.hub-intro__inner { display: grid; grid-template-columns: minmax(0, 1fr); gap: 32px; align-items: start; }
.hub-intro__facts { display: grid; gap: 12px; list-style: none; padding: 0; }
.hub-intro__facts li { display: flex; gap: 14px; padding: 18px; border-radius: var(--r-lg); border: 1px solid var(--c-line); background: #fff; }
.hub-intro__facts .card__icon { margin: 0; flex-shrink: 0; }
.hub-intro__facts strong { display: block; margin-bottom: 4px; }
.hub-intro__facts p { font-size: var(--fs-sm); color: var(--c-muted); }
.hub-codes__inner { display: grid; gap: 18px; justify-items: start; padding: clamp(22px, 3vw, 36px); border-radius: var(--r-xl); background: var(--c-surface); border: 1px solid var(--c-line); }
.hub-codes__inner h2 { font-size: clamp(1.4rem, 1.1rem + 1.2vw, 1.9rem); }
.hub-codes__inner p { color: var(--c-muted); margin-top: 6px; }
.hub-areas__grid { display: grid; gap: 14px; grid-template-columns: minmax(0, 1fr); }

/* ---------- Error-code pages ---------- */
.codes-page__intro { display: grid; grid-template-columns: minmax(0, 1fr); gap: 24px; align-items: start; margin-bottom: 28px; }
.code-index { display: grid; gap: 10px; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
.code-index__item { display: flex; align-items: center; gap: 12px; padding: 12px !important; }
.code-index__item .code-card__code { min-width: 54px; height: 46px; font-size: 1.1rem; }
.code-index__text { display: grid; gap: 2px; min-width: 0; }
.code-index__text strong { font-size: var(--fs-sm); line-height: 1.4; }
.code-index__text small { font-size: var(--fs-xs); color: var(--c-muted); font-family: ui-monospace, Menlo, monospace; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.code-details { display: grid; gap: 20px; margin-top: 40px; }
.code-detail { padding: clamp(20px, 3vw, 32px); border-radius: var(--r-xl); background: #fff; border: 1px solid var(--c-line); scroll-margin-top: calc(var(--header-h) + 20px); transition: border-color var(--t), box-shadow var(--t); }
.code-detail:target { border-color: var(--c-primary); box-shadow: 0 0 0 4px rgba(31, 75, 255, 0.12), var(--sh); }
.code-detail__head { display: flex; gap: 16px; align-items: center; margin-bottom: 18px; }
.code-card__code--lg { min-width: 78px; height: 66px; font-size: 1.6rem; }
.code-detail h2 { font-size: clamp(1.2rem, 1rem + 0.9vw, 1.6rem); line-height: 1.35; }
.code-detail h3 { display: flex; align-items: center; gap: 8px; font-size: 1rem; margin-bottom: 8px; }
.code-detail h3 .icon { color: var(--c-primary); width: 19px; height: 19px; }
.code-detail__meaning p { color: var(--c-ink-2); line-height: 1.85; }
.code-detail__cols { display: grid; grid-template-columns: minmax(0, 1fr); gap: 18px; margin-block: 18px; }
.code-detail__cols > div { padding: 16px 18px; border-radius: var(--r); background: var(--c-surface); }
.code-detail__cols ul { padding-inline-start: 1.1em; color: var(--c-ink-2); line-height: 1.8; font-size: var(--fs-sm); }
.code-detail__when { margin-top: 16px; }
.code-detail__when ul { padding-inline-start: 1.1em; color: var(--c-ink-2); line-height: 1.8; }
.code-detail__faq { margin-top: 14px; border-top: 1px dashed var(--c-line); padding-top: 12px; }
.code-detail__faq summary { display: flex; justify-content: space-between; gap: 10px; cursor: pointer; list-style: none; font-weight: 600; }
.code-detail__faq summary::-webkit-details-marker { display: none; }
.code-detail__faq summary .icon { width: 20px; height: 20px; color: var(--c-primary); transition: transform var(--t); }
.code-detail__faq[open] summary .icon { transform: rotate(45deg); }
.code-detail__faq p { margin-top: 10px; color: var(--c-ink-2); line-height: 1.8; }
.code-detail__foot { display: grid; gap: 12px; margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--c-line); font-size: var(--fs-sm); }
.code-detail__foot > div { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; }
.code-detail__foot a:not(.btn):not(.chip) { color: var(--c-primary-600); text-decoration: underline; text-underline-offset: 3px; }
.code-detail__label { font-weight: 600; color: var(--c-ink); }
.code-detail__actions { justify-content: space-between; }

/* ---------- Breakpoints ---------- */
@media (min-width: 640px) {
  .parts-grid, .guide-cards--grid, .hub-areas__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .code-detail__cols { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .inline-cta { grid-template-columns: minmax(0, 1fr) auto; align-items: center; }
}
@media (min-width: 1024px) {
  .page-hero--visual .page-hero__inner { grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); }
  .guide__layout { grid-template-columns: minmax(0, 1fr) 320px; gap: 48px; }
  .guide__aside { position: sticky; top: calc(var(--header-h) + 20px); }
  .guide-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .guide-cards--grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .hub-intro__inner { grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr); gap: 56px; }
  .hub-codes__inner { grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr) auto; align-items: center; }
  .hub-areas__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .codes-page__intro { grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); gap: 48px; }
}
@media (min-width: 1200px) {
  .guide-cards--grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .hub-areas__grid { grid-template-columns: repeat(5, minmax(0, 1fr)); }
}
@media (max-width: 1023.98px) {
  /* On small screens the TOC moves below the article as a compact list */
  .guide__aside { order: 2; }
}
.icon-up { transform: rotate(180deg) !important; }