/* =============================================
   RechargeKnowledge.qa — Global Stylesheet
   ============================================= */

:root {
  --blue-deep: #1a3a5c;
  --blue-mid: #2563a8;
  --blue-light: #e8f0fb;
  --blue-accent: #3b82f6;
  --gray-50: #f8f9fa;
  --gray-100: #f1f3f5;
  --gray-200: #e9ecef;
  --gray-400: #adb5bd;
  --gray-600: #6c757d;
  --gray-800: #343a40;
  --white: #ffffff;
  --text-body: #2c3e50;
  --text-muted: #5a6a7a;
  --border: #dde3ec;
  --shadow-sm: 0 1px 4px rgba(26,58,92,0.06);
  --shadow-md: 0 4px 20px rgba(26,58,92,0.10);
  --shadow-lg: 0 8px 40px rgba(26,58,92,0.13);
  --radius: 10px;
  --radius-lg: 16px;
  --font-display: 'Lora', Georgia, serif;
  --font-body: 'DM Sans', -apple-system, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--text-body);
  background: var(--gray-50);
  font-size: 16px;
  line-height: 1.7;
}

/* ---- Utility ---- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- Header ---- */
.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--blue-deep);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
}
.logo-icon { font-size: 1.3rem; color: var(--blue-accent); }
.logo-dot { color: var(--blue-accent); }
.main-nav { display: flex; gap: 4px; }
.nav-link {
  padding: 6px 14px;
  border-radius: 6px;
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.2s;
}
.nav-link:hover, .nav-link.active {
  background: var(--blue-light);
  color: var(--blue-mid);
}
.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.4rem;
  cursor: pointer;
  color: var(--blue-deep);
  padding: 4px 8px;
}

/* ---- Disclaimer Banner ---- */
.disclaimer-banner {
  background: #fff8e1;
  border-bottom: 1px solid #ffe082;
  font-size: 0.83rem;
  color: #5d4037;
  padding: 8px 0;
  text-align: center;
}

/* ---- Hero ---- */
.hero {
  background: var(--blue-deep);
  position: relative;
  overflow: hidden;
  padding: 72px 0 80px;
}
.hero-bg-shape {
  position: absolute;
  right: -80px;
  top: -60px;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: rgba(59,130,246,0.08);
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 1; max-width: 760px; }
.hero-label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue-accent);
  margin-bottom: 16px;
}
.hero-h1 {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 4vw, 2.5rem);
  line-height: 1.25;
  color: var(--white);
  margin-bottom: 20px;
  font-weight: 600;
}
.hero-sub {
  font-size: 1.08rem;
  color: rgba(255,255,255,0.78);
  margin-bottom: 32px;
  max-width: 580px;
}
.hero-sub em { color: rgba(255,255,255,0.95); font-style: italic; }
.btn-primary {
  display: inline-block;
  background: var(--blue-accent);
  color: var(--white);
  padding: 12px 28px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: background 0.2s, transform 0.15s;
}
.btn-primary:hover { background: #2563eb; transform: translateY(-1px); }
.btn-secondary {
  display: inline-block;
  background: var(--white);
  color: var(--blue-mid);
  border: 2px solid var(--blue-mid);
  padding: 11px 26px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.2s;
}
.btn-secondary:hover { background: var(--blue-light); }

/* ---- Layout: Sidebar + Main ---- */
.layout-main {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 40px;
  padding-top: 48px;
  padding-bottom: 72px;
  align-items: start;
}

/* ---- Sidebar ---- */
.sidebar { position: sticky; top: 80px; display: flex; flex-direction: column; gap: 20px; }
.sidebar-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
  box-shadow: var(--shadow-sm);
}
.sidebar-title {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue-deep);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--blue-light);
}
.sidebar-nav { list-style: none; display: flex; flex-direction: column; gap: 2px; }
.sidebar-nav a {
  display: block;
  padding: 7px 10px;
  border-radius: 6px;
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.88rem;
  transition: all 0.18s;
}
.sidebar-nav a:hover { background: var(--blue-light); color: var(--blue-mid); }
.sidebar-contact p { font-size: 0.88rem; margin-bottom: 8px; color: var(--text-muted); }
.sidebar-contact a { color: var(--blue-mid); text-decoration: none; }
.sidebar-contact a:hover { text-decoration: underline; }

/* ---- Main Content ---- */
.main-content { display: flex; flex-direction: column; gap: 0; }
.content-section {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 40px;
  margin-bottom: 28px;
  box-shadow: var(--shadow-sm);
}
.section-tag {
  display: inline-block;
  font-size: 0.73rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--blue-accent);
  background: var(--blue-light);
  padding: 3px 10px;
  border-radius: 20px;
  margin-bottom: 14px;
}
.content-section h2 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--blue-deep);
  margin-bottom: 18px;
  line-height: 1.3;
}
.content-section h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--blue-deep);
  margin: 28px 0 12px;
}
.content-section p {
  color: var(--text-body);
  margin-bottom: 14px;
  font-size: 0.97rem;
}
.lead {
  font-size: 1.08rem !important;
  color: var(--blue-deep) !important;
  font-weight: 400;
  border-left: 3px solid var(--blue-accent);
  padding-left: 16px;
}
.info-box {
  background: var(--blue-light);
  border-left: 4px solid var(--blue-accent);
  border-radius: 0 8px 8px 0;
  padding: 14px 18px;
  font-size: 0.9rem;
  color: var(--blue-deep);
  margin-top: 18px;
}
.styled-list {
  padding-left: 0;
  list-style: none;
  margin: 12px 0 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.styled-list li {
  padding: 10px 14px;
  background: var(--gray-50);
  border-radius: 7px;
  border-left: 3px solid var(--blue-accent);
  font-size: 0.95rem;
}
.styled-list--numbered { counter-reset: list-counter; }
.styled-list--numbered li {
  counter-increment: list-counter;
  padding-left: 44px;
  position: relative;
  border-left: none;
  background: var(--gray-50);
  border-radius: 7px;
}
.styled-list--numbered li::before {
  content: counter(list-counter);
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--blue-mid);
  color: white;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
}

/* ---- Table ---- */
.table-wrapper { overflow-x: auto; margin-top: 20px; }
.info-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.info-table th {
  background: var(--blue-deep);
  color: white;
  padding: 10px 16px;
  text-align: left;
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
}
.info-table td { padding: 10px 16px; border-bottom: 1px solid var(--border); }
.info-table tr:last-child td { border-bottom: none; }
.info-table tr:nth-child(even) td { background: var(--gray-50); }

/* ---- FAQ ---- */
.faq-list { display: flex; flex-direction: column; gap: 10px; margin-top: 8px; }
.faq-item {
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: var(--gray-50);
  transition: box-shadow 0.2s;
}
.faq-item[open] { box-shadow: var(--shadow-sm); background: var(--white); }
.faq-item summary {
  padding: 14px 18px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--blue-deep);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-item summary::after { content: '+'; font-size: 1.1rem; color: var(--blue-accent); }
.faq-item[open] summary::after { content: '−'; }
.faq-item p { padding: 0 18px 16px; font-size: 0.92rem; color: var(--text-muted); }

/* ---- CTA Section ---- */
.cta-section {
  background: linear-gradient(135deg, var(--blue-deep) 0%, var(--blue-mid) 100%);
  color: white;
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  text-align: center;
  margin-bottom: 0;
}
.cta-section h2 {
  font-family: var(--font-display);
  font-size: 1.7rem;
  margin-bottom: 12px;
  color: white;
}
.cta-section p { color: rgba(255,255,255,0.8); margin-bottom: 28px; font-size: 1rem; }
.cta-buttons { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ---- Page Hero (inner pages) ---- */
.page-hero {
  background: var(--blue-deep);
  padding: 48px 0 56px;
  position: relative;
  overflow: hidden;
}
.page-hero::after {
  content: '';
  position: absolute;
  right: 0; bottom: 0;
  width: 300px; height: 300px;
  background: rgba(59,130,246,0.07);
  border-radius: 50%;
  transform: translate(40%, 40%);
}
.page-hero-inner { position: relative; z-index: 1; }
.page-hero .hero-label { display: block; margin-bottom: 12px; }
.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.5vw, 2.2rem);
  color: white;
  margin-bottom: 14px;
  font-weight: 600;
}
.page-hero p { color: rgba(255,255,255,0.75); font-size: 1rem; max-width: 600px; }

/* ---- Blog Cards ---- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 8px;
}
.blog-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: box-shadow 0.2s, transform 0.15s;
  display: flex;
  flex-direction: column;
}
.blog-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.blog-card-img {
  height: 8px;
  background: linear-gradient(90deg, var(--blue-accent), var(--blue-mid));
}
.blog-card-body { padding: 22px; flex: 1; display: flex; flex-direction: column; }
.blog-tag {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue-accent);
  margin-bottom: 8px;
}
.blog-card h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--blue-deep);
  margin-bottom: 10px;
  line-height: 1.35;
}
.blog-card p { font-size: 0.88rem; color: var(--text-muted); flex: 1; }
.blog-card-read {
  display: inline-block;
  margin-top: 14px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--blue-accent);
}

/* ---- About / Simple Layout ---- */
.simple-layout {
  padding: 56px 0 80px;
}
.simple-layout .content-section {
  max-width: 800px;
  margin: 0 auto 28px;
}

/* ---- Legal Pages ---- */
.legal-content { max-width: 760px; margin: 0 auto; }
.legal-content h2 { font-family: var(--font-display); color: var(--blue-deep); font-size: 1.3rem; margin: 32px 0 12px; }
.legal-content p, .legal-content li { font-size: 0.95rem; color: var(--text-body); margin-bottom: 12px; }
.legal-content ul { padding-left: 20px; margin-bottom: 14px; }
.legal-content li { margin-bottom: 6px; }

/* ---- Footer ---- */
.site-footer { background: var(--blue-deep); color: rgba(255,255,255,0.75); margin-top: 0; }
.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding: 56px 24px 40px;
}
.footer-brand { grid-column: 1; }
.footer-brand .logo-icon { font-size: 1.2rem; color: var(--blue-accent); margin-right: 6px; }
.footer-brand { font-size: 1rem; font-weight: 600; color: white; }
.footer-tagline { font-size: 0.85rem; color: rgba(255,255,255,0.55); margin-top: 10px; max-width: 240px; line-height: 1.5; }
.footer-links { display: contents; }
.footer-col h4 { font-size: 0.78rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: rgba(255,255,255,0.5); margin-bottom: 16px; }
.footer-col a, .footer-col p {
  display: block;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.65);
  text-decoration: none;
  margin-bottom: 8px;
  transition: color 0.18s;
}
.footer-col a:hover { color: white; }
.footer-disclaimer {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 18px 24px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
  text-align: center;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.07);
  padding: 14px 24px;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.35);
  text-align: center;
}

/* ---- Breadcrumb ---- */
.breadcrumb {
  padding: 12px 0;
  font-size: 0.82rem;
  color: var(--text-muted);
}
.breadcrumb a { color: var(--blue-mid); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb span { margin: 0 6px; color: var(--gray-400); }

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .layout-main { grid-template-columns: 1fr; }
  .sidebar { position: static; flex-direction: row; flex-wrap: wrap; gap: 16px; }
  .sidebar-card { flex: 1 1 200px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 640px) {
  .main-nav { display: none; }
  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0; right: 0;
    background: white;
    border-bottom: 1px solid var(--border);
    padding: 16px;
    box-shadow: var(--shadow-md);
    z-index: 99;
  }
  .nav-toggle { display: block; }
  .content-section { padding: 24px 20px; }
  .hero { padding: 48px 0 56px; }
  .footer-inner { grid-template-columns: 1fr; gap: 28px; }
  .cta-section { padding: 36px 24px; }
}