/* ============================================================
   Aplus Edtech – SAP Interview Questions Section
   Loaded only on /sap-*-interview-questions/ pages, after style.css.
   All selectors are prefixed with .iq- so existing pages are unaffected.
   ============================================================ */

:root {
  --iq-navy: #021a3a;
  --iq-navy-2: #04295c;
  --iq-ink: #0f1e36;
  --iq-body: #33435c;
  --iq-muted: #64748b;
  --iq-line: #e3e9f2;
  --iq-soft: #f4f7fc;
  --iq-blue: #0070F2;
  --iq-cyan: #00A3FF;
  --iq-fresher: #0f9d76;
  --iq-intermediate: #0070F2;
  --iq-experienced: #6d4aff;
  --iq-scenario: #d97706;
  --iq-practical: #db2777;
  --iq-faq: #0e7490;
  --iq-radius: 16px;
  --iq-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Consolas, monospace;
}

.iq-page { background: #fbfcfe; }
.iq-page main { display: block; }

/* ── Reading progress ── */
.iq-progress { position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 1001; pointer-events: none; }
.iq-progress span {
  display: block; height: 100%; width: 0;
  background: linear-gradient(90deg, var(--iq-cyan), var(--iq-blue), var(--iq-experienced));
  transition: width 0.1s linear;
}

/* ── Category sub-navigation ── */
.iq-subnav { background: #fff; border-bottom: 1px solid var(--iq-line); }
.iq-subnav-inner {
  max-width: 1280px; margin: 0 auto; padding: 10px 28px;
  display: flex; align-items: center; gap: 8px; overflow-x: auto; scrollbar-width: none;
}
.iq-subnav-inner::-webkit-scrollbar { display: none; }
.iq-subnav-label {
  font-family: var(--font-head); font-size: 0.78rem; font-weight: 700; color: var(--iq-muted);
  text-transform: uppercase; letter-spacing: 0.06em; white-space: nowrap; margin-right: 6px;
}
.iq-subnav-label i { color: var(--iq-blue); margin-right: 4px; }
.iq-subnav-link {
  white-space: nowrap; font-family: var(--font-head); font-weight: 600; font-size: 0.86rem;
  color: var(--iq-ink); padding: 7px 14px; border-radius: 999px; border: 1px solid var(--iq-line);
  background: #fff; transition: all 0.2s ease;
}
.iq-subnav-link:hover { border-color: var(--iq-blue); color: var(--iq-blue); transform: translateY(-1px); }
.iq-subnav-link.is-active { background: var(--iq-navy); border-color: var(--iq-navy); color: #fff; }

/* ── Hero ── */
.iq-hero { position: relative; overflow: hidden; background: var(--iq-navy); color: #fff; }
.iq-hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(800px 380px at 85% -10%, rgba(0,163,255,0.35), transparent 60%),
    radial-gradient(600px 400px at -10% 110%, rgba(109,74,255,0.30), transparent 60%),
    linear-gradient(135deg, #021a3a 0%, #04295c 55%, #063a7d 100%);
}
.iq-hero-bg::after {
  content: ''; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,0.9), transparent 85%);
  -webkit-mask-image: linear-gradient(180deg, rgba(0,0,0,0.9), transparent 85%);
}
.iq-hero-inner {
  position: relative; max-width: 1240px; margin: 0 auto; padding: 44px 28px 56px;
  display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(300px, 1fr); gap: 44px; align-items: start;
}
.iq-breadcrumb ol { display: flex; flex-wrap: wrap; gap: 6px; list-style: none; margin-bottom: 18px; }
.iq-breadcrumb li { font-size: 0.82rem; color: rgba(255,255,255,0.65); display: flex; align-items: center; gap: 6px; }
.iq-breadcrumb li + li::before { content: '›'; color: rgba(255,255,255,0.4); }
.iq-breadcrumb a { color: rgba(255,255,255,0.85); border-bottom: 1px dotted rgba(255,255,255,0.35); }
.iq-breadcrumb a:hover { color: #fff; border-bottom-color: #fff; }
.iq-breadcrumb li[aria-current] span { color: #9fd8ff; font-weight: 600; }
.iq-hero h1 {
  font-family: var(--font-head); font-weight: 800; letter-spacing: -0.025em; line-height: 1.12;
  font-size: clamp(1.9rem, 3.6vw, 2.9rem); margin-bottom: 18px;
  background: linear-gradient(90deg, #ffffff 0%, #d7ecff 60%, #9fd8ff 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.iq-hero-intro p { color: rgba(255,255,255,0.82); font-size: 1.02rem; line-height: 1.7; margin-bottom: 12px; max-width: 720px; }
.iq-hero-intro a { color: #9fd8ff; border-bottom: 1px solid rgba(159,216,255,0.4); }
.iq-hero-intro ul { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; margin: 6px 0 14px; }
.iq-hero-intro li {
  font-size: 0.82rem; font-weight: 600; padding: 5px 12px; border-radius: 999px;
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.16); color: #e6f3ff;
}
.iq-hero-stats { list-style: none; display: flex; flex-wrap: wrap; gap: 14px; margin-top: 22px; }
.iq-hero-stats li {
  min-width: 130px; padding: 12px 16px; border-radius: 14px;
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.12);
}
.iq-hero-stats b { display: block; font-family: var(--font-head); font-size: 1.35rem; font-weight: 800; color: #fff; }
.iq-hero-stats span { font-size: 0.78rem; color: rgba(255,255,255,0.7); }

.iq-hero-card {
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.18);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-radius: 22px; padding: 24px; box-shadow: 0 20px 50px rgba(0,0,0,0.25);
  animation: iqRise 0.6s ease both;
}
.iq-hero-card-title { font-family: var(--font-head); font-size: 1rem; font-weight: 700; margin-bottom: 14px; color: #fff; }
.iq-hero-card-title i { color: var(--iq-cyan); margin-right: 6px; }
.iq-pills { display: flex; flex-direction: column; gap: 8px; }
.iq-pill {
  display: flex; justify-content: space-between; align-items: center;
  padding: 11px 14px; border-radius: 12px; font-weight: 600; font-size: 0.92rem; color: #fff;
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.12);
  border-left: 4px solid var(--pill, var(--iq-cyan)); transition: transform 0.2s ease, background 0.2s ease;
}
.iq-pill:hover { transform: translateX(4px); background: rgba(255,255,255,0.12); }
.iq-pill b { font-family: var(--font-head); font-size: 0.8rem; padding: 2px 9px; border-radius: 999px; background: rgba(255,255,255,0.14); }
.iq-pill--fresher { --pill: #34d399; }
.iq-pill--intermediate { --pill: #60a5fa; }
.iq-pill--experienced { --pill: #a78bfa; }
.iq-pill--scenario { --pill: #fbbf24; }
.iq-pill--practical { --pill: #f472b6; }
.iq-hero-note { margin-top: 14px; font-size: 0.78rem; line-height: 1.55; color: rgba(255,255,255,0.68); }
.iq-hero-note i { color: var(--iq-cyan); margin-right: 4px; }

@keyframes iqRise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

/* ── Layout ── */
.iq-layout {
  max-width: 1240px; margin: 0 auto; padding: 40px 28px 72px;
  display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 44px; align-items: start;
}
.iq-content { min-width: 0; max-width: 900px; }

/* ── Table of contents ── */
.iq-toc { position: sticky; top: 100px; max-height: calc(100vh - 120px); overflow-y: auto; }
.iq-toc-box { background: #fff; border: 1px solid var(--iq-line); border-radius: var(--iq-radius); padding: 16px 12px; box-shadow: var(--shadow-sm); }
.iq-toc-box summary {
  font-family: var(--font-head); font-weight: 800; font-size: 0.78rem; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--iq-muted); padding: 0 8px 10px; cursor: pointer; list-style: none;
}
.iq-toc-box summary::-webkit-details-marker { display: none; }
.iq-toc ol { list-style: none; display: flex; flex-direction: column; gap: 2px; }
.iq-toc a {
  display: flex; justify-content: space-between; align-items: center; gap: 8px;
  padding: 8px 10px; border-radius: 9px; font-size: 0.88rem; font-weight: 600; color: var(--iq-body);
  border-left: 3px solid transparent; transition: all 0.2s ease;
}
.iq-toc a em { font-style: normal; font-size: 0.72rem; font-weight: 700; color: var(--iq-muted); background: var(--iq-soft); padding: 1px 8px; border-radius: 999px; }
.iq-toc a:hover { background: var(--iq-soft); color: var(--iq-blue); }
.iq-toc a.is-active { background: rgba(0,112,242,0.08); color: var(--iq-blue); border-left-color: var(--iq-blue); }

/* ── Toolbar ── */
.iq-toolbar {
  display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-bottom: 28px;
  padding: 12px; background: #fff; border: 1px solid var(--iq-line); border-radius: var(--iq-radius); box-shadow: var(--shadow-sm);
}
.iq-search { flex: 1 1 280px; display: flex; align-items: center; gap: 10px; padding: 0 14px; border-radius: 12px; background: var(--iq-soft); border: 1px solid transparent; transition: border-color 0.2s, background 0.2s; }
.iq-search:focus-within { border-color: var(--iq-blue); background: #fff; }
.iq-search i { color: var(--iq-muted); }
.iq-search input { flex: 1; border: 0; background: transparent; padding: 12px 0; font: 500 0.95rem var(--font-body); color: var(--iq-ink); outline: none; min-width: 0; }
.iq-toolbar-actions { display: flex; gap: 8px; }
.iq-tool-btn {
  border: 1px solid var(--iq-line); background: #fff; color: var(--iq-ink); border-radius: 10px;
  padding: 10px 14px; font: 600 0.84rem var(--font-head); transition: all 0.2s ease;
}
.iq-tool-btn:hover { border-color: var(--iq-blue); color: var(--iq-blue); }
.iq-filter-status { flex-basis: 100%; font-size: 0.85rem; color: var(--iq-muted); margin: 0 4px; }
.iq-filter-status:empty { display: none; }

/* ── Sections ── */
.iq-section { margin-bottom: 56px; scroll-margin-top: 100px; }
.iq-section-head { margin-bottom: 20px; }
.iq-section-head h2 {
  font-family: var(--font-head); font-weight: 800; color: var(--iq-ink); letter-spacing: -0.02em;
  font-size: clamp(1.4rem, 2.4vw, 1.85rem); line-height: 1.25; margin: 10px 0 10px;
}
.iq-section-intro p { color: var(--iq-body); line-height: 1.7; margin-bottom: 8px; }
.iq-section-intro a, .iq-answer a, .iq-step-body a, .iq-faq-body a { color: var(--iq-blue); font-weight: 600; border-bottom: 1px solid rgba(0,112,242,0.25); }
.iq-section-intro a:hover, .iq-answer a:hover, .iq-step-body a:hover, .iq-faq-body a:hover { border-bottom-color: var(--iq-blue); }
.iq-count { display: inline-block; margin-top: 4px; font-size: 0.8rem; font-weight: 700; color: var(--iq-muted); }

.iq-level {
  display: inline-flex; align-items: center; gap: 6px; font-family: var(--font-head); font-size: 0.72rem;
  font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; padding: 5px 11px; border-radius: 999px;
  color: var(--lvl); background: color-mix(in srgb, var(--lvl) 10%, white);
  border: 1px solid color-mix(in srgb, var(--lvl) 25%, white);
}
.iq-level--fresher, .iq-badge--fresher, .iq-card--fresher { --lvl: var(--iq-fresher); }
.iq-level--intermediate, .iq-badge--intermediate, .iq-card--intermediate { --lvl: var(--iq-intermediate); }
.iq-level--experienced, .iq-badge--experienced, .iq-card--experienced { --lvl: var(--iq-experienced); }
.iq-level--scenario, .iq-badge--scenario, .iq-card--scenario { --lvl: var(--iq-scenario); }
.iq-level--practical, .iq-badge--practical, .iq-card--practical { --lvl: var(--iq-practical); }
.iq-level--faq { --lvl: var(--iq-faq); }
.iq-level--light { --lvl: #9fd8ff; background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.2); }

/* ── Question cards ── */
.iq-list { display: flex; flex-direction: column; gap: 12px; }
.iq-card {
  background: #fff; border: 1px solid var(--iq-line); border-radius: var(--iq-radius);
  border-left: 4px solid var(--lvl, var(--iq-blue)); box-shadow: 0 1px 2px rgba(15,30,54,0.04);
  transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease; scroll-margin-top: 110px;
}
.iq-card:hover { box-shadow: var(--shadow-md); transform: translateY(-1px); }
.iq-card[open] { box-shadow: var(--shadow-md); }
.iq-card summary {
  display: grid; grid-template-columns: auto minmax(0, 1fr) auto auto; gap: 12px; align-items: center;
  padding: 16px 18px; cursor: pointer; list-style: none;
}
.iq-card summary::-webkit-details-marker { display: none; }
.iq-card summary:focus-visible { outline: 3px solid rgba(0,112,242,0.35); outline-offset: 2px; border-radius: 12px; }
.iq-num {
  font-family: var(--font-head); font-weight: 800; font-size: 0.78rem; color: var(--lvl);
  background: color-mix(in srgb, var(--lvl) 9%, white); border-radius: 8px; padding: 5px 8px; min-width: 42px; text-align: center;
}
.iq-q { font-family: var(--font-head); font-size: 1.04rem; font-weight: 700; line-height: 1.45; color: var(--iq-ink); }
.iq-q code { font-size: 0.9em; }
.iq-badge {
  font-size: 0.68rem; font-weight: 800; letter-spacing: 0.05em; text-transform: uppercase; color: var(--lvl);
  border: 1px solid color-mix(in srgb, var(--lvl) 30%, white); border-radius: 999px; padding: 3px 9px; white-space: nowrap;
}
.iq-chev { color: var(--iq-muted); transition: transform 0.25s ease; font-size: 0.8rem; }
.iq-card[open] .iq-chev { transform: rotate(180deg); color: var(--lvl); }
.iq-answer { padding: 0 22px 20px 72px; color: var(--iq-body); font-size: 0.98rem; line-height: 1.75; animation: iqFade 0.3s ease; }
@keyframes iqFade { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }
.iq-answer p, .iq-step-body p, .iq-faq-body p { margin-bottom: 12px; }
.iq-answer ul, .iq-answer ol, .iq-step-body ul, .iq-step-body ol, .iq-faq-body ul, .iq-faq-body ol { margin: 0 0 14px 1.25em; }
.iq-answer ul, .iq-step-body ul, .iq-faq-body ul { list-style: disc; }
.iq-answer ol, .iq-step-body ol, .iq-faq-body ol { list-style: decimal; }
.iq-answer li, .iq-step-body li, .iq-faq-body li { margin-bottom: 6px; padding-left: 2px; }
.iq-answer li::marker { color: var(--lvl); }
.iq-answer strong { color: var(--iq-ink); }
.iq-page :not(pre) > code {
  font-family: var(--iq-mono); font-size: 0.86em; background: #eef3fb; color: #0b3b7a;
  padding: 2px 6px; border-radius: 6px; border: 1px solid #dde7f5; white-space: nowrap;
}
.iq-anchor { display: inline-flex; align-items: center; gap: 5px; margin-top: 6px; font-size: 0.78rem; font-weight: 600; color: var(--iq-muted) !important; border: 0 !important; }
.iq-anchor:hover { color: var(--iq-blue) !important; }

/* Interview tip */
.iq-tip {
  margin: 4px 0 10px; padding: 14px 16px; border-radius: 12px;
  background: linear-gradient(135deg, #fff8e6, #fffdf6); border: 1px solid #fde7b0;
}
.iq-tip-label { display: inline-flex; align-items: center; gap: 6px; font-family: var(--font-head); font-size: 0.74rem; font-weight: 800; letter-spacing: 0.06em; text-transform: uppercase; color: #a16207; margin-bottom: 4px; }
.iq-tip p { margin: 0 !important; color: #5b4a1f; font-size: 0.94rem; }

/* Tables */
.iq-table-wrap { overflow-x: auto; margin: 4px 0 16px; border: 1px solid var(--iq-line); border-radius: 12px; }
.iq-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.iq-table th { background: var(--iq-soft); color: var(--iq-ink); font-family: var(--font-head); font-weight: 700; text-align: left; }
.iq-table th, .iq-table td { padding: 10px 14px; border-bottom: 1px solid var(--iq-line); vertical-align: top; }
.iq-table tr:last-child td { border-bottom: 0; }

/* Code blocks */
.iq-code { margin: 6px 0 16px; border-radius: 12px; overflow: hidden; background: #0b1426; border: 1px solid #1c2a44; }
.iq-code-bar { display: flex; justify-content: space-between; align-items: center; padding: 8px 14px; background: #111d35; border-bottom: 1px solid #1c2a44; }
.iq-code-bar span { font: 700 0.7rem var(--font-head); letter-spacing: 0.1em; color: #7dd3fc; }
.iq-copy { background: rgba(255,255,255,0.08); color: #cbd5e1; border: 1px solid rgba(255,255,255,0.12); border-radius: 6px; padding: 3px 10px; font-size: 0.72rem; font-weight: 600; }
.iq-copy:hover { background: rgba(255,255,255,0.16); color: #fff; }
.iq-code pre { margin: 0; padding: 14px 16px; overflow-x: auto; }
.iq-code code { font-family: var(--iq-mono); font-size: 0.84rem; line-height: 1.65; color: #e2e8f0; white-space: pre; }

/* ── Step / info cards ── */
.iq-steps { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.iq-step {
  position: relative; background: #fff; border: 1px solid var(--iq-line); border-radius: var(--iq-radius);
  padding: 20px 20px 16px; transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s;
}
.iq-step:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: #c9d8ee; }
.iq-step-num { font-family: var(--font-head); font-weight: 800; font-size: 0.9rem; color: var(--iq-blue); background: rgba(0,112,242,0.08); border-radius: 10px; padding: 6px 10px; display: inline-block; }
.iq-step-icon { width: 42px; height: 42px; border-radius: 12px; display: inline-flex; align-items: center; justify-content: center; color: #fff; background: linear-gradient(135deg, var(--iq-blue), var(--iq-experienced)); }
.iq-step h3 { font-family: var(--font-head); font-size: 1.02rem; font-weight: 700; color: var(--iq-ink); margin: 12px 0 8px; }
.iq-step-body { font-size: 0.92rem; line-height: 1.65; color: var(--iq-body); }

/* ── FAQ ── */
.iq-faq-list { display: flex; flex-direction: column; gap: 10px; }
.iq-faq { background: #fff; border: 1px solid var(--iq-line); border-radius: 14px; transition: box-shadow 0.25s; }
.iq-faq[open] { box-shadow: var(--shadow-sm); border-color: #c9d8ee; }
.iq-faq summary { display: flex; justify-content: space-between; align-items: center; gap: 14px; padding: 16px 18px; cursor: pointer; list-style: none; }
.iq-faq summary::-webkit-details-marker { display: none; }
.iq-faq summary h3 { font-family: var(--font-head); font-size: 1rem; font-weight: 700; color: var(--iq-ink); line-height: 1.45; }
.iq-faq-icon { flex: none; width: 26px; height: 26px; border-radius: 50%; background: var(--iq-soft); position: relative; transition: transform 0.25s, background 0.25s; }
.iq-faq-icon::before, .iq-faq-icon::after { content: ''; position: absolute; left: 50%; top: 50%; width: 11px; height: 2px; background: var(--iq-faq); transform: translate(-50%, -50%); border-radius: 2px; }
.iq-faq-icon::after { transform: translate(-50%, -50%) rotate(90deg); transition: transform 0.25s; }
.iq-faq[open] .iq-faq-icon { background: rgba(14,116,144,0.12); }
.iq-faq[open] .iq-faq-icon::after { transform: translate(-50%, -50%) rotate(0deg); }
.iq-faq-body { padding: 0 18px 16px; color: var(--iq-body); line-height: 1.7; font-size: 0.96rem; }

/* ── CTAs & buttons ── */
.iq-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; border-radius: 12px; padding: 12px 18px;
  font: 700 0.9rem var(--font-head); border: 1px solid transparent; transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s; cursor: pointer;
}
.iq-btn:hover { transform: translateY(-2px); }
.iq-btn--primary { background: linear-gradient(135deg, var(--iq-blue), #0059c7); color: #fff; box-shadow: 0 8px 20px rgba(0,112,242,0.28); }
.iq-btn--primary:hover { box-shadow: 0 12px 26px rgba(0,112,242,0.36); }
.iq-btn--ghost { background: #fff; color: var(--iq-ink); border-color: var(--iq-line); }
.iq-btn--ghost:hover { border-color: var(--iq-blue); color: var(--iq-blue); }
.iq-btn--outline-light { background: transparent; color: #fff; border-color: rgba(255,255,255,0.35); }
.iq-btn--outline-light:hover { background: rgba(255,255,255,0.08); }
.iq-btn--block { width: 100%; }

.iq-cta-inline {
  display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 18px; align-items: center;
  margin: -16px 0 56px; padding: 20px 22px; border-radius: 18px;
  background: linear-gradient(135deg, #eef6ff 0%, #f5f0ff 100%); border: 1px solid #d9e6fb;
}
.iq-cta-inline-icon { width: 48px; height: 48px; border-radius: 14px; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 1.1rem; background: linear-gradient(135deg, var(--iq-blue), var(--iq-experienced)); }
.iq-cta-inline-text strong { font-family: var(--font-head); color: var(--iq-ink); font-size: 1.02rem; }
.iq-cta-inline-text p { margin-top: 4px; font-size: 0.9rem; color: var(--iq-body); line-height: 1.6; }
.iq-cta-inline-actions { display: flex; flex-direction: column; gap: 8px; }

.iq-training { border-radius: 24px; overflow: hidden; background: var(--iq-navy); position: relative; }
.iq-training::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(600px 300px at 100% 0%, rgba(0,163,255,0.3), transparent 60%),
              radial-gradient(500px 300px at 0% 100%, rgba(109,74,255,0.28), transparent 60%);
}
.iq-training-inner { position: relative; display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(260px, 1fr); gap: 28px; padding: 32px; }
.iq-training-copy h2 { font-family: var(--font-head); color: #fff; font-weight: 800; font-size: clamp(1.3rem, 2.3vw, 1.7rem); line-height: 1.3; margin: 12px 0; letter-spacing: -0.02em; }
.iq-training-copy p { color: rgba(255,255,255,0.8); line-height: 1.7; margin-bottom: 16px; }
.iq-training-links { list-style: none; display: grid; gap: 8px; }
.iq-training-links a { display: inline-flex; align-items: center; gap: 10px; color: #cfe8ff; font-weight: 600; font-size: 0.94rem; }
.iq-training-links a i { width: 18px; color: var(--iq-cyan); }
.iq-training-links a:hover { color: #fff; }
.iq-training-card { background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.16); border-radius: 18px; padding: 22px; display: flex; flex-direction: column; gap: 10px; }
.iq-training-card h3 { font-family: var(--font-head); color: #fff; font-size: 1.08rem; font-weight: 700; }
.iq-training-card p { color: rgba(255,255,255,0.75); font-size: 0.9rem; line-height: 1.6; margin-bottom: 4px; }
.iq-training-phone { text-align: center; color: #cfe8ff; font-weight: 700; font-size: 0.9rem; padding-top: 4px; }
.iq-training-phone i { margin-right: 6px; color: var(--iq-cyan); }

/* ── Related & module grids ── */
.iq-related-grid, .iq-module-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 14px; }
.iq-related-card, .iq-module-card {
  display: flex; flex-direction: column; gap: 8px; padding: 20px; background: #fff; border: 1px solid var(--iq-line);
  border-radius: var(--iq-radius); transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s;
}
.iq-related-card:hover, .iq-module-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: #bcd3f5; }
.iq-related-icon, .iq-module-icon {
  width: 44px; height: 44px; border-radius: 12px; display: flex; align-items: center; justify-content: center;
  color: #fff; background: linear-gradient(135deg, var(--iq-blue), var(--iq-cyan));
}
.iq-related-title, .iq-module-title { font-family: var(--font-head); font-weight: 800; color: var(--iq-ink); font-size: 1.02rem; }
.iq-related-text, .iq-module-text { font-size: 0.88rem; color: var(--iq-body); line-height: 1.6; }
.iq-module-meta { display: flex; gap: 8px; flex-wrap: wrap; margin-top: auto; padding-top: 6px; }
.iq-module-meta span { font-size: 0.74rem; font-weight: 700; color: var(--iq-muted); background: var(--iq-soft); padding: 3px 9px; border-radius: 999px; }
.iq-module-go { font-family: var(--font-head); font-weight: 700; font-size: 0.86rem; color: var(--iq-blue); }
.iq-module-go i { transition: transform 0.2s ease; }
.iq-module-card:hover .iq-module-go i { transform: translateX(4px); }

.iq-updated { font-size: 0.84rem; color: var(--iq-muted); border-top: 1px solid var(--iq-line); padding-top: 18px; }
.iq-updated i { margin-right: 6px; color: var(--iq-blue); }

.iq-hidden { display: none !important; }
mark.iq-mark { background: #fff1a8; color: inherit; padding: 0 2px; border-radius: 3px; }

/* ── Responsive ── */
@media (min-width: 769px) {
  .iq-page .floating-sticky-dock { display: none; }
}
@media (max-width: 1080px) {
  .iq-layout { grid-template-columns: 1fr; gap: 20px; padding-top: 24px; }
  .iq-toc { position: static; max-height: none; }
  .iq-toc-box ol { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); }
  .iq-content { max-width: none; }
}
@media (max-width: 900px) {
  .iq-hero-inner { grid-template-columns: 1fr; gap: 26px; padding: 30px 20px 40px; }
  .iq-training-inner { grid-template-columns: 1fr; padding: 24px; }
  .iq-cta-inline { grid-template-columns: 1fr; text-align: left; }
  .iq-cta-inline-actions { flex-direction: row; flex-wrap: wrap; }
}
@media (max-width: 640px) {
  .iq-subnav-inner { padding: 8px 14px; }
  .iq-layout { padding: 18px 14px 56px; }
  .iq-card summary { grid-template-columns: auto minmax(0, 1fr) auto; padding: 14px; gap: 10px; }
  .iq-badge { display: none; }
  .iq-q { font-size: 0.97rem; }
  .iq-answer { padding: 0 16px 16px; font-size: 0.95rem; }
  .iq-hero-stats li { min-width: 0; flex: 1 1 40%; }
  .iq-toolbar-actions { width: 100%; }
  .iq-tool-btn { flex: 1; }
  .iq-page :not(pre) > code { white-space: normal; word-break: break-word; }
}
@media (prefers-reduced-motion: reduce) {
  .iq-page *, .iq-page *::before, .iq-page *::after { animation: none !important; transition: none !important; }
}
@media print {
  .site-header, .iq-subnav, .iq-toc, .iq-toolbar, .floating-sticky-dock, .iq-cta-inline, .iq-training, .footer, .iq-progress { display: none !important; }
  .iq-layout { display: block; }
  .iq-answer { padding-left: 18px; }
}