/* ============================================================
   Help Centre shared styles
   Hub, FAQs, Guides, Articles index + article shells
   Depends on styles.css design tokens
   ============================================================ */

/* ---------- Help Centre hub ---------- */
.help-hero {
            padding: clamp(3rem, 7vw, 5rem) 20px 2rem;
            text-align: center;
        }

        .help-hero h1 {
            color: #0f172a;
            font-size: clamp(2.3rem, 5vw, 4rem);
            line-height: 1;
            margin: 0 0 1rem;
        }

        .help-hero p {
            color: #475569;
            font-size: 1.05rem;
            line-height: 1.55;
            margin: 0 auto;
            max-width: 680px;
        }

        .help-grid {
            display: grid;
            gap: 1rem;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            margin: 1.5rem auto 3rem;
            max-width: 1040px;
            padding: 0 20px;
        }

        .help-card {
            background: #ffffff;
            border: 1px solid #dbe4ef;
            border-radius: 10px;
            box-shadow: 0 14px 34px rgba(15, 23, 42, 0.07);
            color: #0f172a;
            min-height: 190px;
            padding: 1.2rem;
            text-decoration: none;
        }

        .help-card span {
            color: #0f5fbb;
            display: block;
            font-size: 0.78rem;
            font-weight: 800;
            letter-spacing: 0.08em;
            margin-bottom: 0.7rem;
            text-transform: uppercase;
        }

        .help-card h2 {
            font-size: 1.35rem;
            line-height: 1.15;
            margin: 0 0 0.6rem;
        }

        .help-card p {
            color: #475569;
            line-height: 1.45;
            margin: 0;
        }

        @media (max-width: 760px) {
            .help-grid {
                grid-template-columns: 1fr;
            }
        }

/* ---------- Articles library ---------- */
.articles-wrap { margin: 0 auto; max-width: 1100px; padding: clamp(3rem,7vw,5rem) 20px; }
        .articles-back { color: #0f5fbb; font-weight: 800; text-decoration: none; }
        .articles-hero { max-width: 780px; }
        .articles-hero h1 { color: #0f172a; font-size: clamp(2.3rem,6vw,4rem); letter-spacing: -.04em; line-height: 1; margin: 1.2rem 0 1rem; }
        .articles-hero p { color: #475569; font-size: 1.1rem; line-height: 1.6; margin: 0; }
        .article-search-wrap { margin: 2rem 0 1rem; }
        .article-search-wrap label { color: #0f172a; display: block; font-weight: 800; margin-bottom: .55rem; }
        .article-search { background: #fff; border: 2px solid #cbd5e1; border-radius: 12px; box-sizing: border-box; color: #0f172a; font: inherit; font-size: 1.05rem; padding: 1rem; width: 100%; }
        .article-search:focus { border-color: #0f5fbb; box-shadow: 0 0 0 4px rgba(15,95,187,.12); outline: none; }
        .article-meta { color: #64748b; font-size: .9rem; margin: .55rem 0 0; }
        .article-filters { display: flex; flex-wrap: wrap; gap: .55rem; margin: 1.4rem 0 3rem; }
        .article-filter { background: #eef6ff; border: 1px solid #c9def5; border-radius: 999px; color: #0f5fbb; cursor: pointer; font: inherit; font-weight: 800; padding: .65rem .95rem; }
        .article-filter[aria-pressed="true"] { background: #0f5fbb; border-color: #0f5fbb; color: #fff; }
        .featured-label { color: #0f5fbb; font-size: .75rem; font-weight: 900; letter-spacing: .1em; margin-bottom: .8rem; text-transform: uppercase; }
        .featured-grid { display: grid; gap: 1rem; grid-template-columns: repeat(2,minmax(0,1fr)); margin-bottom: 3rem; }
        .article-grid { display: grid; gap: 1rem; grid-template-columns: repeat(3,minmax(0,1fr)); }
        .article-card { background: #fff; border: 1px solid #dbe4ef; border-radius: 12px; box-shadow: 0 12px 30px rgba(15,23,42,.06); display: flex; flex-direction: column; overflow: hidden; transition: transform .2s,border-color .2s; }
        .article-card:hover { border-color: rgba(15,95,187,.5); transform: translateY(-2px); }
        .article-card-image { align-items: center; background: #eef6ff; display: flex; height: 190px; justify-content: center; overflow: hidden; }
        .article-card-image img { box-sizing: border-box; height: 100%; object-fit: contain; padding: 1.2rem; width: 100%; }
        .article-card-body { display: flex; flex: 1; flex-direction: column; padding: 1.25rem; }
        .article-tag { color: #0f5fbb; font-size: .72rem; font-weight: 900; letter-spacing: .08em; margin-bottom: .55rem; text-transform: uppercase; }
        .article-card h2 { color: #0f172a; font-size: 1.3rem; line-height: 1.2; margin: 0 0 .7rem; }
        .article-card p { color: #475569; line-height: 1.55; margin: 0 0 1rem; }
        .article-card a { color: #0f5fbb; font-weight: 800; margin-top: auto; text-decoration: none; }
        .article-card a:hover { text-decoration: underline; }
        .article-empty { background: #fff7ed; border: 1px solid #fed7aa; border-radius: 10px; color: #7c2d12; margin-bottom: 2rem; padding: 1.2rem; }
        .articles-help { background: #eef6ff; border: 1px solid #c9def5; border-radius: 12px; margin: 3rem 0; padding: 1.5rem; }
        .articles-help h2 { color: #0f172a; margin: 0 0 .5rem; }
        .articles-help p { color: #475569; margin: 0 0 1rem; }
        .articles-help a { color: #0f5fbb; font-weight: 800; }
        [hidden] { display: none !important; }
        @media (max-width:850px) { .article-grid { grid-template-columns: repeat(2,minmax(0,1fr)); } }
        @media (max-width:620px) { .featured-grid,.article-grid { grid-template-columns: 1fr; } }

/* ---------- FAQs ---------- */
.faq-wrap { margin: 0 auto; max-width: 1040px; padding: clamp(3rem, 7vw, 5rem) 20px; }
        .faq-back { color: #0f5fbb; font-weight: 800; text-decoration: none; }
        .faq-hero { max-width: 760px; }
        .faq-hero h1 { color: #0f172a; font-size: clamp(2.3rem, 6vw, 4rem); letter-spacing: -0.04em; line-height: 1; margin: 1.2rem 0 1rem; }
        .faq-hero p { color: #475569; font-size: 1.1rem; line-height: 1.6; margin: 0; }
        .faq-search-wrap { margin: 2rem 0 1rem; position: relative; }
        .faq-search-wrap label { color: #0f172a; display: block; font-weight: 800; margin-bottom: 0.55rem; }
        .faq-search { background: #fff; border: 2px solid #cbd5e1; border-radius: 12px; box-sizing: border-box; color: #0f172a; font: inherit; font-size: 1.05rem; padding: 1rem; width: 100%; }
        .faq-search:focus { border-color: #0f5fbb; box-shadow: 0 0 0 4px rgba(15,95,187,.12); outline: none; }
        .faq-meta { color: #64748b; font-size: .9rem; margin: .55rem 0 0; }
        .faq-filters { display: flex; flex-wrap: wrap; gap: .55rem; margin: 1.4rem 0 3rem; }
        .faq-filter { background: #eef6ff; border: 1px solid #c9def5; border-radius: 999px; color: #0f5fbb; cursor: pointer; font: inherit; font-weight: 800; padding: .65rem .95rem; }
        .faq-filter[aria-pressed="true"] { background: #0f5fbb; border-color: #0f5fbb; color: #fff; }
        .faq-section { margin: 0 0 3rem; scroll-margin-top: 4rem; }
        .faq-section-head { margin-bottom: 1rem; }
        .faq-section-head span { color: #0f5fbb; font-size: .75rem; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
        .faq-section-head h2 { color: #0f172a; font-size: clamp(1.55rem, 3vw, 2.1rem); margin: .25rem 0; }
        .faq-section-head p { color: #64748b; margin: 0; }
        .faq-list { display: grid; gap: .75rem; }
        .faq-item { background: #fff; border: 1px solid #dbe4ef; border-radius: 10px; box-shadow: 0 8px 24px rgba(15,23,42,.04); overflow: hidden; }
        .faq-item[open] { border-color: rgba(15,95,187,.5); }
        .faq-item summary { color: #0f172a; cursor: pointer; font-size: 1.03rem; font-weight: 800; list-style: none; padding: 1.1rem 3.2rem 1.1rem 1.2rem; position: relative; }
        .faq-item summary::-webkit-details-marker { display: none; }
        .faq-item summary::after { color: #0f5fbb; content: "+"; font-size: 1.5rem; position: absolute; right: 1.2rem; top: .75rem; }
        .faq-item[open] summary::after { content: "−"; }
        .faq-answer { border-top: 1px solid #e2e8f0; color: #475569; line-height: 1.65; padding: 1rem 1.2rem 1.2rem; }
        .faq-answer p { margin: 0 0 .8rem; }
        .faq-answer p:last-child { margin-bottom: 0; }
        .faq-answer a { color: #0f5fbb; font-weight: 800; }
        .faq-empty { background: #fff7ed; border: 1px solid #fed7aa; border-radius: 10px; color: #7c2d12; padding: 1.2rem; }
        .faq-help { background: #eef6ff; border: 1px solid #c9def5; border-radius: 12px; margin: 1rem 0 3rem; padding: 1.5rem; }
        .faq-help h2 { color: #0f172a; margin: 0 0 .5rem; }
        .faq-help p { color: #475569; margin: 0 0 1rem; }
        .faq-help a { color: #0f5fbb; font-weight: 800; }
        [hidden] { display: none !important; }

/* ---------- Guides index ---------- */
.guides-wrap {
            margin: 0 auto;
            max-width: 980px;
            padding: clamp(3rem, 7vw, 5rem) 20px;
        }

        .guides-wrap h1 {
            color: #0f172a;
            font-size: clamp(2rem, 4vw, 3.2rem);
            margin: 0 0 0.8rem;
        }

        .guides-wrap > p {
            color: #475569;
            font-size: 1.05rem;
            line-height: 1.55;
            margin: 0 0 1.5rem;
            max-width: 720px;
        }

        .guide-jump {
            display: flex;
            flex-wrap: wrap;
            gap: 0.65rem;
            margin: 0 0 3rem;
        }

        .guide-jump a {
            background: #eef6ff;
            border: 1px solid #c9def5;
            border-radius: 999px;
            color: #0f5fbb;
            font-weight: 800;
            padding: 0.65rem 1rem;
            text-decoration: none;
        }

        .guide-section {
            margin-top: 3rem;
            scroll-margin-top: 5rem;
        }

        .guide-section > h2 {
            color: #0f172a;
            font-size: clamp(1.55rem, 3vw, 2rem);
            margin: 0 0 0.35rem;
        }

        .guide-section > p {
            color: #475569;
            margin: 0 0 1.25rem;
        }

        .guide-list {
            display: grid;
            gap: 1rem;
            grid-template-columns: repeat(3, minmax(0, 1fr));
        }

        .guide-card {
            background: #ffffff;
            border: 1px solid #dbe4ef;
            border-radius: 10px;
            padding: 1rem;
        }

        .guide-card h2 {
            color: #0f172a;
            font-size: 1.1rem;
            margin: 0 0 0.45rem;
        }

        .guide-card a {
            color: inherit;
            text-decoration: none;
        }

        .guide-card a:hover {
            color: #0f5fbb;
            text-decoration: underline;
        }

        .guide-card p {
            color: #475569;
            line-height: 1.45;
            margin: 0;
        }

        @media (max-width: 760px) {
            .guide-list {
                grid-template-columns: 1fr;
            }
        }

/* ---------- Shared guide article body ---------- */
.guide{max-width:820px;margin:auto;padding:3rem 20px 5rem}.guide h1{font-size:clamp(2.2rem,6vw,3.6rem);line-height:1.05}.guide h2{color:#0f5fbb;margin-top:2.5rem}.guide p,.guide li{font-size:1.08rem;line-height:1.7}.answer,.note{padding:1.25rem;border-radius:10px;margin:1.5rem 0}.answer{background:#eef6ff;border-left:4px solid #0f5fbb}.note{background:#fff7ed;border-left:4px solid #b45309}.cta{background:#0f172a;color:#fff;padding:2rem;border-radius:12px;margin-top:3rem}.cta a{color:#7dd3fc;font-weight:800}

/* ---------- Modern long-form article shell ---------- */
.article-wrap { margin: 0 auto; max-width: 820px; padding: clamp(3rem,7vw,5rem) 20px; }
        .article-back { color: #0f5fbb; font-weight: 800; text-decoration: none; }
        .article-crumb { color: #64748b; font-size: .95rem; margin-bottom: .25rem; }
        .article-crumb a { color: #0f5fbb; font-weight: 800; text-decoration: none; }
        .article-crumb a:hover { text-decoration: underline; }
        .article-crumb span { margin: 0 .35rem; color: #94a3b8; }
        .article-header { text-align: center; }
        .article-label { color: #0f5fbb; display: block; font-size: .78rem; font-weight: 900; letter-spacing: .1em; margin: 1.5rem 0 .8rem; text-transform: uppercase; }
        .article-header h1 { color: #0f172a; font-size: clamp(2.25rem,7vw,4rem); letter-spacing: -.045em; line-height: 1.02; margin: 0 0 1rem; }
        .article-intro { color: #475569; font-size: 1.15rem; line-height: 1.6; margin: 0 auto 2rem; max-width: 720px; }
        .article-image { background: #eef6ff; border-radius: 12px; box-sizing: border-box; height: min(390px,55vw); margin-bottom: 3rem; object-fit: contain; padding: 1.5rem; width: 100%; }
        .article-body { color: #334155; font-size: 1.08rem; line-height: 1.75; }
        .article-body h2 { color: #0f5fbb; font-size: clamp(1.55rem,4vw,2rem); line-height: 1.2; margin: 3rem 0 1rem; }
        .article-body h3 { color: #0f172a; font-size: 1.25rem; margin: 2rem 0 .65rem; }
        .article-body p { margin: 0 0 1.35rem; }
        .article-body li { margin-bottom: .65rem; }
        .article-callout { background: #eef6ff; border-left: 4px solid #0f5fbb; border-radius: 0 10px 10px 0; margin: 2rem 0; padding: 1.25rem; }
        .article-warning { background: #fff7ed; border-left: 4px solid #b45309; border-radius: 0 10px 10px 0; margin: 2rem 0; padding: 1.25rem; }
        .article-questions { background: #fff; border: 1px solid #dbe4ef; border-radius: 12px; margin: 2rem 0; padding: 1.25rem 1.5rem; }
        .article-questions h3 { margin-top: 0; }
        .article-related { background: #f8fafc; border: 1px solid #dbe4ef; border-radius: 12px; margin: 2.5rem 0 0; padding: 1.5rem; }
        .article-related h2 { color: #0f172a; font-size: 1.25rem; margin: 0 0 1rem; }
        .article-related ul { margin: 0; padding-left: 1.2rem; }
        .article-related li { margin-bottom: .55rem; }
        .article-related a { color: #0f5fbb; font-weight: 700; text-decoration: none; }
        .article-related a:hover { text-decoration: underline; }
        .article-cta { background: #0f172a; border-radius: 12px; color: #fff; margin-top: 3rem; padding: 2rem; }
        .article-cta h2 { color: #fff; margin-top: 0; }
        .article-cta p { color: #cbd5e1; }
        .article-cta a { color: #7dd3fc; font-weight: 800; }

/* ---------- Rescue Intel article pattern ---------- */
.stats-bar { display: inline-flex; gap: 15px; background: rgba(255,255,255,0.05); padding: 5px 15px; border-radius: 8px; font-size: 0.8rem; color: var(--dim); margin-bottom: 1.5rem; border: 1px solid var(--border, rgba(255,255,255,0.1)); }
        .gold-tag { color: var(--gold); font-weight: 700; text-transform: uppercase; font-size: 0.8rem; letter-spacing: 1.5px; background: rgba(245, 158, 11, 0.1); padding: 0.4rem 1rem; border-radius: 8px; margin-bottom: 1rem; display: inline-block; }
        .article-image { width: 100%; height: 400px; object-fit: contain; background: transparent; border-radius: 8px; margin: 0 auto 3rem auto; padding: 2rem; box-sizing: border-box; }
        .article-body { font-size: 1.15rem; color: var(--text); }
        .article-body p { margin-bottom: 1.8rem; }
        .article-body h2 { color: var(--accent); font-size: 2rem; font-weight: 800; margin: 3.5rem 0 1.2rem 0; letter-spacing: -1px; }
        .engagement-hub { margin-top: 4rem; border-top: 1px solid rgba(255,255,255,0.1); padding-top: 3rem; margin-bottom: 5rem; }
        .cta-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
        .cta-card { background: rgba(255, 255, 255, 0.03); padding: 2rem; border-radius: 8px; border: 1px solid rgba(255,255,255,0.1); transition: 0.3s; }
        .cta-card:hover { border-color: var(--accent); background: rgba(56, 189, 248, 0.05); }
        .cta-card h3 { margin-top: 0; font-size: 1.2rem; color: var(--accent); font-weight: 800; }
        .mini-form { display: flex; gap: 10px; margin-top: 15px; }
        .mini-form input { flex: 1; padding: 12px; border-radius: 10px; border: 1px solid rgba(255,255,255,0.1); background: #f8fafc; color: #0f172a; outline: none; font-size: 0.9rem; }
        .btn-sm { background: var(--accent); color: #ffffff; border: none; padding: 12px 20px; border-radius: 10px; font-weight: 800; cursor: pointer; transition: 0.3s; }
        .btn-sm:hover { background: #0b4f9f; transform: translateY(-1px); }
        main > header,
        .intel-article header {
            padding: 4rem 0 2rem 0;
            text-align: center;
        }
        .back-link {
            color: var(--accent, #0f5fbb);
            text-decoration: none;
            font-weight: 700;
            font-size: 0.85rem;
            display: block;
            margin-bottom: 1rem;
        }
        .intel-article h1,
        main > header h1 {
            font-size: clamp(2.2rem, 8vw, 3.5rem);
            font-weight: 900;
            letter-spacing: -2px;
            margin: 0 0 1rem 0;
            line-height: 1.1;
        }
        .hero-subtitle { color: var(--dim); font-size: 1.1rem; margin-bottom: 2rem; }
        @media (max-width: 600px) { .cta-grid { grid-template-columns: 1fr; } }

/* ---------- Focus + a11y for help filters/search ---------- */
.article-filter:focus-visible,
.faq-filter:focus-visible,
.guide-jump a:focus-visible,
.article-search:focus-visible,
.faq-search:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring, 0 0 0 3px rgba(15, 95, 187, 0.35));
}

.help-back,
.articles-back,
.faq-back {
    color: var(--color-brand, #0f5fbb);
    font-weight: 800;
    text-decoration: none;
}
.help-back:hover,
.articles-back:hover,
.faq-back:hover {
    text-decoration: underline;
}

/* Article image responsive */
.article-image {
    max-width: 100%;
    height: auto;
    max-height: min(400px, 55vw);
}

@media (max-width: 640px) {
    .article-wrap,
    .guides-wrap,
    .faq-wrap,
    .articles-wrap,
    .guide {
        padding-left: 14px;
        padding-right: 14px;
    }
    .article-body h2 {
        font-size: clamp(1.35rem, 6vw, 1.75rem);
    }
    header.article-header h1,
    .articles-hero h1,
    .faq-hero h1 {
        font-size: clamp(1.85rem, 9vw, 2.6rem);
    }
}


/* ---------- Legacy dark article theme (classic-hardware / rescue-giant) ---------- */
body.article-legacy {
  --bg: #1e293b;
  --card: rgba(255, 255, 255, 0.9);
  --accent: #0f5fbb;
  --text: #0f172a;
  --dim: #475569;
  --gold: #b45309;
  --black: #000000;
  --card-text: #0f172a;
  --btn-blue: #0f5fbb;
  background: #1e293b;
  color: #0f172a;
  padding-top: var(--nav-h-desktop, 28px);
}
@media (max-width: 768px) {
  body.article-legacy { padding-top: var(--nav-h-mobile, 46px); }
}
body.article-legacy .container {
  max-width: 900px;
  margin: 0 auto;
  padding: clamp(1rem, 4vw, 2rem);
}
body.article-legacy .hero {
  background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('https://images.unsplash.com/photo-1511707171634-5f897ff02aa9');
  background-size: cover;
  padding: clamp(2rem, 6vw, 4rem) clamp(1rem, 4vw, 2rem);
  text-align: center;
  border-radius: 16px;
  margin: 2rem 0;
  color: #fff;
}
body.article-legacy .hero h1 {
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  margin: 0;
  color: #fff;
}
body.article-legacy .byline { color: #93c5fd; font-weight: 600; }
body.article-legacy .article-body {
  background: rgba(255, 255, 255, 0.95);
  color: #0f172a;
  padding: clamp(1.25rem, 4vw, 3rem);
  border-radius: 16px;
  margin: 2rem 0;
}
body.article-legacy .back-link,
body.article-legacy .article-back a {
  color: #93c5fd;
  text-decoration: none;
  font-weight: 700;
}
body.article-legacy .value-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  background: rgba(255,255,255,0.1);
  border-radius: 12px;
  overflow: hidden;
  color: var(--text);
}
body.article-legacy .value-table th,
body.article-legacy .value-table td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid rgba(255,255,255,0.2);
}
body.article-legacy .value-table th {
  background: var(--accent);
  color: white;
  font-weight: 700;
}
body.article-legacy .gold-tag {
  color: var(--gold);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 1.5px;
  background: rgba(245, 158, 11, 0.1);
  padding: 0.4rem 1rem;
  border-radius: 8px;
  margin-bottom: 0.5rem;
  display: inline-block;
}
body.article-legacy .hero-subtitle {
  color: #cbd5e1;
  font-size: 1.15rem;
}
body.article-legacy .article-image {
  width: 100%;
  max-height: min(400px, 55vw);
  object-fit: contain;
  background: transparent;
  border-radius: 8px;
  margin: 0 auto 2rem;
  padding: 1rem;
  box-sizing: border-box;
}


/* ---------- software-wall + intel article extras ---------- */
.share-buttons {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin: 1.5rem 0;
}
.share-btn {
  width: 45px;
  height: 45px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: #eef6ff;
  border: 1px solid #dbe4ef;
  color: #0f5fbb;
  text-decoration: none;
}
.share-btn:hover {
  background: #0f5fbb;
  color: #fff;
}
.value-table {
  width: 100%;
  border-collapse: collapse;
  margin: 2.5rem 0;
  background: var(--card-bg, #fff);
  border: 1px solid var(--border, #dbe4ef);
  border-radius: 12px;
  overflow: hidden;
}
.value-table th,
.value-table td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border, #dbe4ef);
}
.value-table th {
  background: #eef6ff;
  color: #0f172a;
  font-weight: 800;
}
@media (max-width: 640px) {
  .value-table,
  body.article-legacy .value-table {
    display: block;
    max-width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .value-table:focus-visible {
    outline: 3px solid var(--color-focus, #0f5fbb);
    outline-offset: 3px;
  }
}