/* ═══════════════════════════════════════════════════════════════
   BuxChat Design System
   Professional packaging industry aesthetic
   ═══════════════════════════════════════════════════════════════ */

/* ── CSS Variables ─────────────────────────────────────────── */
:root {
  --primary:        #1e3a5f;   /* Deep navy */
  --primary-dark:   #14283f;
  --primary-light:  #2a5082;
  --accent:         #f47c20;   /* Warm orange */
  --accent-dark:    #d96510;
  --accent-light:   #f9a55a;
  --success:        #22a06b;
  --white:          #ffffff;
  --off-white:      #f8f9fc;
  --light:          #f1f4f9;
  --border:         #dde3ee;
  --text:           #1a2030;
  --text-secondary: #4a5568;
  --text-muted:     #6b7a94;
  --shadow-sm:      0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md:      0 4px 12px rgba(0,0,0,.10), 0 2px 4px rgba(0,0,0,.06);
  --shadow-lg:      0 10px 30px rgba(0,0,0,.12), 0 4px 8px rgba(0,0,0,.08);
  --radius-sm:      6px;
  --radius-md:      12px;
  --radius-lg:      18px;
  --radius-xl:      24px;
  --font-sans:      'Inter', system-ui, -apple-system, sans-serif;
  --font-display:   'Poppins', var(--font-sans);
  --transition:     0.2s ease;
}

/* ── Reset & Base ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent); }
img { max-width: 100%; height: auto; }
ul { list-style: none; }

/* ── Container ─────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.25rem;
}
@media (min-width: 768px)  { .container { padding: 0 2rem; } }
@media (min-width: 1200px) { .container { padding: 0 2.5rem; } }

/* ── Typography ─────────────────────────────────────────────── */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.25;
  color: var(--primary);
}
h1 { font-size: clamp(1.8rem, 4vw, 2.75rem); }
h2 { font-size: clamp(1.4rem, 3vw, 2rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.35rem); }
h4 { font-size: 1.1rem; }
p  { color: var(--text-secondary); }
em { font-style: italic; color: var(--accent); }

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .6rem 1.4rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  text-decoration: none;
  line-height: 1;
}
.btn-primary {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); color: var(--white); }
.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn-outline:hover { background: var(--primary); color: var(--white); }
.btn-cta {
  background: var(--accent);
  color: var(--white);
  border-color: var(--accent);
}
.btn-cta:hover { background: var(--accent-dark); border-color: var(--accent-dark); color: var(--white); transform: translateY(-1px); }
.btn-sm  { padding: .4rem 1rem; font-size: .82rem; }
.btn-lg  { padding: .85rem 2rem; font-size: 1rem; }

/* ── Tags / Chips ───────────────────────────────────────────── */
.tag-chip {
  display: inline-block;
  padding: .25rem .7rem;
  background: var(--light);
  color: var(--primary);
  border-radius: 999px;
  font-size: .78rem;
  font-weight: 500;
  transition: all var(--transition);
}
.tag-chip:hover { background: var(--primary); color: var(--white); }

/* ── Section helpers ─────────────────────────────────────────── */
.section       { padding: 4rem 0; }
.section.bg-light { background: var(--off-white); }
.section-head  {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}
.section-head h2 { margin-bottom: .25rem; }
.section-head p  { color: var(--text-muted); margin: 0; }
.view-all { font-size: .9rem; font-weight: 600; color: var(--accent); white-space: nowrap; }
.view-all:hover { color: var(--accent-dark); }
.view-all-link { font-size: .85rem; font-weight: 600; color: var(--accent); display: inline-block; margin-top: .5rem; }

/* ══════════════════════════════════════════════════════════════
   HEADER
   ══════════════════════════════════════════════════════════════ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--primary);
  box-shadow: var(--shadow-md);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: .85rem 0;
}
.site-logo {
  display: flex;
  align-items: center;
  gap: .5rem;
  text-decoration: none;
  flex-shrink: 0;
}
.logo-icon { font-size: 1.6rem; }
.logo-text { font-family: var(--font-display); font-size: 1.4rem; font-weight: 800; line-height: 1; }
.logo-brand  { color: var(--white); }
.logo-accent { color: var(--accent); }

/* Header search */
.header-search { flex: 1; max-width: 560px; }
.search-input-wrap {
  display: flex;
  align-items: center;
  background: rgba(255,255,255,.12);
  border: 1.5px solid rgba(255,255,255,.25);
  border-radius: var(--radius-sm);
  padding: .1rem .1rem .1rem .85rem;
  gap: .5rem;
  transition: all var(--transition);
}
.search-input-wrap:focus-within {
  background: var(--white);
  border-color: var(--white);
}
.search-icon { width: 1rem; height: 1rem; color: rgba(255,255,255,.7); flex-shrink: 0; }
.search-input-wrap:focus-within .search-icon { color: var(--text-muted); }
.search-input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  font-size: .9rem;
  color: var(--white);
  font-family: var(--font-sans);
  padding: .4rem 0;
}
.search-input::placeholder { color: rgba(255,255,255,.55); }
.search-input-wrap:focus-within .search-input { color: var(--text); }
.search-input-wrap:focus-within .search-input::placeholder { color: var(--text-muted); }
.search-btn {
  background: var(--accent);
  color: var(--white);
  border: none;
  padding: .45rem .9rem;
  border-radius: calc(var(--radius-sm) - 2px);
  font-weight: 600;
  font-size: .82rem;
  cursor: pointer;
  transition: background var(--transition);
}
.search-btn:hover { background: var(--accent-dark); }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: .4rem;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition);
}

/* Navigation */
.site-nav {
  background: var(--primary-dark);
  border-top: 1px solid rgba(255,255,255,.1);
}
.nav-list {
  display: flex;
  align-items: center;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.nav-list::-webkit-scrollbar { display: none; }
.nav-list li a {
  display: block;
  padding: .65rem 1rem;
  color: rgba(255,255,255,.8);
  font-size: .875rem;
  font-weight: 500;
  white-space: nowrap;
  transition: color var(--transition);
}
.nav-list li.active a,
.nav-list li a:hover { color: var(--white); }
.nav-list .nav-cta { margin-left: auto; padding: .4rem .75rem; }

/* Ad banner wrapper */
.ad-banner-wrap { background: var(--off-white); padding: .5rem 0; border-bottom: 1px solid var(--border); }

/* Breadcrumb */
.breadcrumb-nav { background: var(--off-white); border-bottom: 1px solid var(--border); }
.breadcrumb {
  display: flex;
  align-items: center;
  gap: .35rem;
  padding: .6rem 0;
  flex-wrap: wrap;
  font-size: .82rem;
}
.breadcrumb li { display: flex; align-items: center; gap: .35rem; }
.breadcrumb a { color: var(--primary); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb li:last-child span { color: var(--text-muted); }
.breadcrumb svg { width: .5rem; height: .8rem; color: var(--border); }

/* ══════════════════════════════════════════════════════════════
   HERO
   ══════════════════════════════════════════════════════════════ */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 50%, #1a4a8a 100%);
  padding: 4rem 0 5rem;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(244,124,32,.15) 0%, transparent 70%);
  pointer-events: none;
}
.hero .container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}
@media (min-width: 900px) {
  .hero .container { grid-template-columns: 1.1fr 0.9fr; }
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  background: rgba(244,124,32,.2);
  color: var(--accent-light);
  border: 1px solid rgba(244,124,32,.4);
  border-radius: 999px;
  padding: .3rem .9rem;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .02em;
  margin-bottom: 1.25rem;
}
.hero-title {
  color: var(--white);
  font-size: clamp(2rem, 5vw, 3.25rem);
  line-height: 1.15;
  margin-bottom: 1.25rem;
}
.hero-accent { color: var(--accent); }
.hero-subtitle { color: rgba(255,255,255,.8); font-size: 1.05rem; margin-bottom: 2rem; line-height: 1.7; }

/* Hero search */
.hero-search { margin-bottom: 1.5rem; }
.hero-search-wrap {
  display: flex;
  align-items: center;
  background: var(--white);
  border-radius: var(--radius-md);
  padding: .35rem .35rem .35rem 1.1rem;
  gap: .6rem;
  box-shadow: var(--shadow-lg);
}
.hero-search-wrap svg { width: 1.1rem; height: 1.1rem; color: var(--text-muted); flex-shrink: 0; }
.hero-search-input {
  flex: 1;
  border: none;
  outline: none;
  font-size: .95rem;
  font-family: var(--font-sans);
  color: var(--text);
  padding: .5rem 0;
  background: none;
}
.hero-search-input::placeholder { color: var(--text-muted); }
.hero-tags { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem; font-size: .82rem; color: rgba(255,255,255,.7); }

/* Search page form */
.search-page-form { margin-top: 1.5rem; max-width: 640px; }
.search-page-form .hero-search-wrap { box-shadow: var(--shadow-md); }

/* Hero visual cards */
.hero-visual {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  position: relative;
}
@media (max-width: 899px) { .hero-visual { display: none; } }
.hero-card {
  background: rgba(255,255,255,.1);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: var(--radius-md);
  padding: 1.1rem 1.25rem;
  transform: translateX(0);
  transition: transform var(--transition);
}
.hero-card:hover { transform: translateX(-4px); }
.hero-card-1 { margin-right: 2rem; }
.hero-card-2 { margin-left: 2rem; }
.hero-card-3 { margin-right: 1rem; }
.hero-card-q { color: var(--white); font-weight: 600; font-size: .9rem; margin-bottom: .4rem; }
.hero-card-a { color: rgba(255,255,255,.65); font-size: .82rem; }

/* ── Stats Bar ────────────────────────────────────────────── */
.stats-bar {
  background: var(--primary-dark);
  padding: 1.25rem 0;
  border-bottom: 3px solid var(--accent);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}
@media (min-width: 600px) { .stats-grid { grid-template-columns: repeat(4, 1fr); } }
.stat-item { text-align: center; }
.stat-num  { display: block; font-family: var(--font-display); font-size: 1.6rem; font-weight: 800; color: var(--accent); line-height: 1; }
.stat-label { font-size: .78rem; color: rgba(255,255,255,.7); margin-top: .25rem; display: block; }

/* ── Categories Grid ──────────────────────────────────────── */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}
.category-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.1rem;
  transition: all var(--transition);
  text-decoration: none;
  position: relative;
}
.category-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.category-icon { font-size: 1.75rem; flex-shrink: 0; margin-top: .1rem; }
.category-info { flex: 1; min-width: 0; }
.category-info h3 { font-size: 1rem; color: var(--primary); margin-bottom: .25rem; }
.category-info p  { font-size: .8rem; color: var(--text-muted); line-height: 1.45; }
.category-count {
  background: var(--light);
  color: var(--text-muted);
  font-size: .72rem;
  font-weight: 600;
  padding: .2rem .55rem;
  border-radius: 999px;
  white-space: nowrap;
  align-self: flex-start;
}
.category-arrow { width: 1rem; height: 1rem; color: var(--border); margin-top: .2rem; flex-shrink: 0; transition: color var(--transition); }
.category-card:hover .category-arrow { color: var(--accent); }

/* ── Question Cards ───────────────────────────────────────── */
.questions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}
.question-card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.35rem;
  text-decoration: none;
  transition: all var(--transition);
}
.question-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.qc-meta { display: flex; align-items: center; gap: .5rem; margin-bottom: .75rem; }
.qc-category {
  background: rgba(30,58,95,.08);
  color: var(--primary);
  font-size: .72rem;
  font-weight: 600;
  padding: .2rem .55rem;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.qc-views { font-size: .72rem; color: var(--text-muted); margin-left: auto; }
.qc-question { font-size: 1rem; font-weight: 700; color: var(--primary); margin-bottom: .6rem; line-height: 1.35; }
.qc-excerpt  { font-size: .85rem; color: var(--text-muted); line-height: 1.55; flex: 1; margin-bottom: .9rem; }
.qc-read     { font-size: .82rem; font-weight: 600; color: var(--accent); margin-top: auto; }

/* ── Recent List ──────────────────────────────────────────── */
.recent-list { display: flex; flex-direction: column; gap: .75rem; }
.recent-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.1rem 1.25rem;
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all var(--transition);
}
.recent-item:hover { border-color: var(--primary); box-shadow: var(--shadow-sm); }
.recent-icon { font-size: 1.4rem; flex-shrink: 0; margin-top: .1rem; }
.recent-content { flex: 1; min-width: 0; }
.recent-content h3 { font-size: .95rem; color: var(--primary); margin-bottom: .25rem; font-weight: 600; }
.recent-content p  { font-size: .82rem; color: var(--text-muted); }
.recent-meta { display: flex; flex-direction: column; align-items: flex-end; gap: .4rem; flex-shrink: 0; }
.recent-time { font-size: .75rem; color: var(--text-muted); white-space: nowrap; }

/* ── Why Grid ─────────────────────────────────────────────── */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.25rem;
}
.why-card {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-align: center;
}
.why-icon { font-size: 2rem; margin-bottom: .75rem; display: block; }
.why-card h3 { font-size: 1rem; margin-bottom: .5rem; }
.why-card p  { font-size: .85rem; color: var(--text-muted); }

/* ══════════════════════════════════════════════════════════════
   CTA BANNER
   ══════════════════════════════════════════════════════════════ */
.cta-banner {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  padding: 2.5rem 0;
}
.cta-banner__inner {
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}
.cta-banner__icon { font-size: 3rem; flex-shrink: 0; }
.cta-banner__text { flex: 1; min-width: 220px; }
.cta-banner__text h2 { color: var(--white); font-size: 1.5rem; margin-bottom: .4rem; }
.cta-banner__text p  { color: rgba(255,255,255,.9); font-size: .95rem; }
.cta-banner .btn-cta {
  background: var(--white);
  color: var(--accent-dark);
  border-color: var(--white);
  flex-shrink: 0;
  font-size: 1rem;
  padding: .85rem 1.75rem;
}
.cta-banner .btn-cta:hover { background: var(--off-white); color: var(--accent-dark); transform: translateY(-2px); }

.cta-inline {
  background: rgba(244,124,32,.08);
  border: 1.5px solid rgba(244,124,32,.3);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin: 1.5rem 0;
}

/* ══════════════════════════════════════════════════════════════
   ADS
   ══════════════════════════════════════════════════════════════ */
.ad-slot {
  background: var(--light);
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  padding: .5rem;
  text-align: center;
  overflow: hidden;
}
.ad-leaderboard { min-height: 90px; }
.ad-inarticle   { min-height: 250px; margin: 2rem 0; }
.ad-sidebar     { min-height: 250px; margin-bottom: 1.5rem; }

/* ══════════════════════════════════════════════════════════════
   PAGE HERO (inner pages)
   ══════════════════════════════════════════════════════════════ */
.page-hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  padding: 3rem 0;
}
.page-hero h1  { color: var(--white); margin-bottom: .75rem; }
.page-hero p   { color: rgba(255,255,255,.8); font-size: 1.05rem; max-width: 600px; }
.page-hero-sm  { padding: 2rem 0; }
.page-hero-inner {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}
.page-hero-icon { font-size: 2.75rem; flex-shrink: 0; }

/* ══════════════════════════════════════════════════════════════
   QUESTION PAGE
   ══════════════════════════════════════════════════════════════ */
.question-hero { padding: 0; }
.question-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding: 2.5rem 0;
}
@media (min-width: 900px) {
  .question-layout { grid-template-columns: 1fr 320px; }
}

/* Question header */
.question-head { margin-bottom: 2rem; padding-bottom: 2rem; border-bottom: 2px solid var(--border); }
.question-cat-badge {
  display: inline-block;
  background: rgba(30,58,95,.08);
  color: var(--primary);
  font-size: .75rem;
  font-weight: 700;
  padding: .25rem .7rem;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: .05em;
  margin-bottom: .9rem;
  text-decoration: none;
}
.question-cat-badge:hover { background: var(--primary); color: var(--white); }
.question-title { font-size: clamp(1.5rem, 3.5vw, 2.25rem); margin-bottom: 1rem; }
.question-meta {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  font-size: .82rem;
  color: var(--text-muted);
}
.question-meta span { display: flex; align-items: center; gap: .35rem; }

/* Answer body */
.answer-body {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-bottom: 2rem;
}
.answer-badge {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  background: rgba(34,160,107,.1);
  color: var(--success);
  font-size: .78rem;
  font-weight: 700;
  padding: .3rem .8rem;
  border-radius: 999px;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(34,160,107,.25);
}
.answer-badge svg { width: 1rem; height: 1rem; }

.answer-content { line-height: 1.8; }
.answer-content p  { margin-bottom: 1.1rem; color: var(--text-secondary); }
.answer-content strong { color: var(--text); font-weight: 700; }
.answer-content ul { margin: 1rem 0 1.1rem 1.25rem; list-style: none; }
.answer-content ul li {
  position: relative;
  padding-left: 1.35rem;
  margin-bottom: .45rem;
  color: var(--text-secondary);
  font-size: .95rem;
}
.answer-content ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: .55em;
  width: .55rem;
  height: .55rem;
  background: var(--accent);
  border-radius: 50%;
}
/* Tables inside answers */
.answer-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: .88rem;
  overflow-x: auto;
  display: block;
}
.answer-content th {
  background: var(--primary);
  color: var(--white);
  padding: .65rem 1rem;
  text-align: left;
  font-weight: 600;
}
.answer-content td {
  padding: .6rem 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
}
.answer-content tr:nth-child(even) td { background: var(--off-white); }

/* Answer CTA */
.answer-cta {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: var(--radius-lg);
  padding: 1.75rem 2rem;
  margin: 2rem 0;
}
.answer-cta-inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.answer-cta strong { color: var(--white); font-size: 1.1rem; display: block; margin-bottom: .35rem; }
.answer-cta p { color: rgba(255,255,255,.8); font-size: .9rem; margin: 0; }
.answer-cta .btn-cta { flex-shrink: 0; }

/* Share buttons */
.question-share {
  display: flex;
  align-items: center;
  gap: .75rem;
  flex-wrap: wrap;
  font-size: .85rem;
  color: var(--text-muted);
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}
.share-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  text-decoration: none;
  transition: all var(--transition);
}
.share-btn svg { width: 1rem; height: 1rem; }
.share-twitter  { background: #000; color: #fff; }
.share-twitter:hover  { background: #333; color: #fff; transform: scale(1.1); }
.share-linkedin { background: #0a66c2; color: #fff; }
.share-linkedin:hover { background: #084e96; color: #fff; transform: scale(1.1); }

/* ── Sidebar ──────────────────────────────────────────────── */
.question-sidebar { display: flex; flex-direction: column; gap: 1.25rem; }
.sidebar-widget {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}
.sidebar-widget-title { font-size: .95rem; margin-bottom: 1rem; padding-bottom: .75rem; border-bottom: 1px solid var(--border); }
.sidebar-cta { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%); border-color: transparent; text-align: center; }
.sidebar-cta-icon { font-size: 2.5rem; margin-bottom: .75rem; }
.sidebar-cta h3  { color: var(--white); font-size: 1rem; margin-bottom: .5rem; }
.sidebar-cta p   { color: rgba(255,255,255,.8); font-size: .85rem; margin-bottom: 1rem; }
.sidebar-cta .btn-cta { background: var(--accent); border-color: var(--accent); }

.related-list li { padding: .5rem 0; border-bottom: 1px solid var(--light); }
.related-list li:last-child { border-bottom: none; }
.related-list a {
  display: flex;
  align-items: flex-start;
  gap: .6rem;
  font-size: .85rem;
  color: var(--primary);
  text-decoration: none;
  line-height: 1.4;
}
.related-list a:hover { color: var(--accent); }
.rq-icon { font-size: .9rem; flex-shrink: 0; margin-top: .05rem; }
.cat-sidebar-list li { padding: .4rem 0; border-bottom: 1px solid var(--light); }
.cat-sidebar-list li:last-child { border-bottom: none; }
.cat-sidebar-list a { font-size: .875rem; color: var(--primary); }
.cat-sidebar-list a:hover { color: var(--accent); }
.cat-sidebar-list li.active a { color: var(--accent); font-weight: 600; }

/* ══════════════════════════════════════════════════════════════
   LISTING LAYOUT (category / questions / search)
   ══════════════════════════════════════════════════════════════ */
.listing-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding: 2.5rem 0;
}
@media (min-width: 900px) {
  .listing-layout { grid-template-columns: 1fr 300px; }
}
.listing-sidebar { display: flex; flex-direction: column; gap: 1.25rem; }
.listing-header { margin-bottom: 1.5rem; }
.listing-count { font-size: .875rem; color: var(--text-muted); }

/* ── Empty state ──────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
}
.empty-icon { font-size: 3.5rem; margin-bottom: 1rem; display: block; }
.empty-state h3 { margin-bottom: .75rem; }
.empty-state p   { color: var(--text-muted); margin-bottom: 2rem; }

/* ── Pagination ───────────────────────────────────────────── */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}
.pagination-btn {
  padding: .55rem 1.25rem;
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: .875rem;
  font-weight: 600;
  color: var(--primary);
  text-decoration: none;
  transition: all var(--transition);
}
.pagination-btn:hover { background: var(--primary); color: var(--white); border-color: var(--primary); }
.pagination-info { font-size: .875rem; color: var(--text-muted); }

/* ══════════════════════════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════════════════════════ */
.site-footer {
  background: var(--primary-dark);
  padding: 3.5rem 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
@media (min-width: 600px)  { .footer-grid { grid-template-columns: repeat(2,1fr); } }
@media (min-width: 1000px) { .footer-grid { grid-template-columns: 1.5fr 1fr 1fr 1fr; } }
.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: .5rem;
  text-decoration: none;
  margin-bottom: 1rem;
}
.footer-logo span { font-size: 1.5rem; }
.footer-logo strong { font-family: var(--font-display); font-size: 1.3rem; color: var(--white); }
.footer-brand p { color: rgba(255,255,255,.6); font-size: .875rem; line-height: 1.7; }
.footer-col h3 { color: var(--white); font-size: .9rem; margin-bottom: 1rem; letter-spacing: .04em; text-transform: uppercase; }
.footer-col p { color: rgba(255,255,255,.6); font-size: .85rem; margin-bottom: 1rem; }
.footer-col ul li { margin-bottom: .5rem; }
.footer-col a { color: rgba(255,255,255,.65); font-size: .875rem; transition: color var(--transition); }
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .75rem;
  padding: 1.25rem 0;
}
.footer-bottom p { color: rgba(255,255,255,.45); font-size: .8rem; margin: 0; }
.footer-bottom a { color: rgba(255,255,255,.5); font-size: .8rem; }
.footer-bottom a:hover { color: var(--accent); }

/* ══════════════════════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════════════════════ */
@media (max-width: 767px) {
  .nav-toggle { display: flex; }
  .site-nav.nav-open { display: block; }
  .site-nav:not(.nav-open) { display: none; }
  .nav-list { flex-direction: column; align-items: stretch; gap: 0; }
  .nav-list li a { padding: .8rem 1rem; border-bottom: 1px solid rgba(255,255,255,.08); }
  .nav-list .nav-cta { padding: .75rem 1rem; }
  .nav-list .nav-cta .btn { width: 100%; justify-content: center; }
  .header-search { display: none; }
  .cta-banner__inner { text-align: center; justify-content: center; }
  .cta-banner__inner .btn-cta { width: 100%; justify-content: center; }
  .answer-cta-inner { flex-direction: column; text-align: center; }
  .answer-cta .btn { width: 100%; justify-content: center; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 480px) {
  .section { padding: 2.5rem 0; }
  .hero { padding: 2.5rem 0 3rem; }
  .questions-grid { grid-template-columns: 1fr; }
  .categories-grid { grid-template-columns: 1fr; }
}

/* ── Utility ──────────────────────────────────────────────── */
.sr-only { position:absolute; width:1px; height:1px; padding:0; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0; }

/* ── Ask the Expert Agent box ─────────────────────────────── */
.section-ask { padding: 3rem 0; }
.ask-box {
  background: linear-gradient(135deg, #fff 0%, #f7f9fc 100%);
  border: 1px solid var(--border, #e5e9f0);
  border-radius: 16px;
  padding: 2rem;
  box-shadow: 0 4px 24px rgba(20, 40, 80, .07);
}
.ask-box-head { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.25rem; }
.ask-box-icon { font-size: 2.25rem; line-height: 1; }
.ask-box-head h2 { margin: 0 0 .2rem; font-size: 1.4rem; }
.ask-box-head p { margin: 0; color: var(--text-muted, #5b6472); }
.ask-input-wrap { display: flex; gap: .6rem; flex-wrap: wrap; }
.ask-input-wrap input {
  flex: 1; min-width: 220px;
  padding: .85rem 1rem;
  border: 1.5px solid var(--border, #d7dde6);
  border-radius: 10px;
  font-size: 1rem;
}
.ask-input-wrap input:focus { outline: none; border-color: var(--accent, #2563eb); }
.ask-result { margin-top: 1.5rem; border-top: 1px dashed var(--border, #d7dde6); padding-top: 1.25rem; }
.ask-result-badge {
  display: inline-flex; align-items: center; gap: .4rem;
  font-weight: 600; font-size: .85rem; color: #157347;
  background: #e7f6ee; border-radius: 999px; padding: .3rem .8rem; margin-bottom: .75rem;
}
.ask-result-badge svg { width: 16px; height: 16px; }
.ask-thinking { color: var(--text-muted, #5b6472); font-style: italic; }
.ask-refusal {
  background: #fdf3e7; border: 1px solid #f3ddc0; color: #8a5a17;
  padding: .85rem 1rem; border-radius: 10px; margin: 0;
}