/* ============================================================
   BillHelp.pk – Main Public Stylesheet
   Mobile-first | Bootstrap 5.3 compatible
   ============================================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800&display=swap');

/* --- CSS Custom Properties --- */
:root {
  --primary:       #0066CC;
  --primary-dark:  #004fa3;
  --primary-light: #e8f2ff;
  --accent:        #28A745;
  --accent-dark:   #1e7e34;
  --accent-light:  #e8f7ec;
  --danger:        #dc3545;
  --warning:       #ffc107;
  --bg:            #F8F9FA;
  --bg-card:       #ffffff;
  --text:          #1a1d23;
  --text-muted:    #6c757d;
  --border:        #e2e8f0;
  --shadow-sm:     0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow:        0 4px 12px rgba(0,0,0,.08), 0 2px 4px rgba(0,0,0,.04);
  --shadow-lg:     0 12px 40px rgba(0,0,0,.12), 0 4px 12px rgba(0,0,0,.06);
  --radius:        12px;
  --radius-sm:     8px;
  --radius-lg:     20px;
  --transition:    all .25s cubic-bezier(.4,0,.2,1);
  --font:          'Poppins', system-ui, -apple-system, sans-serif;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  font-size: clamp(14px, 2vw, 16px);
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

h1,h2,h3,h4,h5,h6 {
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -.02em;
}

a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }

img { max-width: 100%; height: auto; }

/* --- Utility --- */
.bg-primary-light { background: var(--primary-light) !important; }
.text-primary { color: var(--primary) !important; }
.text-accent  { color: var(--accent)  !important; }
.fw-600 { font-weight: 600; }
.fw-700 { font-weight: 700; }
.fw-800 { font-weight: 800; }
.rounded-xl { border-radius: var(--radius) !important; }
.rounded-2xl { border-radius: var(--radius-lg) !important; }

/* ============================================================
   HEADER / NAVBAR
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.navbar-brand {
  font-size: clamp(1.2rem, 3vw, 1.5rem);
  font-weight: 800;
  letter-spacing: -.03em;
}

.navbar-brand .brand-accent { color: var(--accent); }
.navbar-brand .brand-primary { color: var(--primary); }

.nav-link {
  font-weight: 500;
  font-size: .9rem;
  padding: .5rem .8rem !important;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
  background: var(--primary-light);
  color: var(--primary) !important;
}

.navbar-toggler {
  border: none;
  padding: .4rem .6rem;
  border-radius: var(--radius-sm);
}
.navbar-toggler:focus { box-shadow: none; }


/* ============================================================
   CATEGORY → COMPANY BROWSER  (premium redesign)
   ============================================================ */
.cbrowser {
  background: var(--bg);
  padding: 2.5rem 0 0;
}

.cbrowser-heading {
  text-align: center;
  margin-bottom: 1.75rem;
}
.cbrowser-heading h2 {
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  font-weight: 800;
  color: var(--text);
  margin-bottom: .35rem;
}
.cbrowser-heading p {
  font-size: .9rem;
  color: var(--text-muted);
  margin: 0;
}

/* ── Category Tiles ──────────────────────────────── */
.cbtiles {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: .75rem;
  margin-bottom: 1.75rem;
}

.cbtile {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .4rem;
  width: 100px;
  padding: 1rem .5rem .8rem;
  background: #fff;
  border: 2px solid var(--border);
  border-radius: 16px;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font);
  position: relative;
}

@media (max-width: 480px) {
  .cbtile { width: calc(20% - .6rem); min-width: 64px; padding: .75rem .3rem .6rem; }
}

.cbtile-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--cb, #e8f2ff);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--cc, var(--primary));
  transition: var(--transition);
}
@media (max-width: 480px) {
  .cbtile-icon { width: 40px; height: 40px; font-size: 1.1rem; border-radius: 10px; }
}

.cbtile-name {
  font-size: .72rem;
  font-weight: 700;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.2;
  transition: color .2s;
}
@media (max-width: 480px) {
  .cbtile-name { font-size: .65rem; }
}



/* Hover state */
.cbtile:hover {
  border-color: var(--cc, var(--primary));
  transform: translateY(-3px);
  box-shadow: 0 8px 24px var(--cs, rgba(0,102,204,.2));
}
.cbtile:hover .cbtile-icon {
  transform: scale(1.08);
}
.cbtile:hover .cbtile-name { color: var(--cc, var(--primary)); }

/* Active state */
.cbtile.active {
  border-color: var(--cc, var(--primary));
  background: var(--cb, #e8f2ff);
  box-shadow: 0 6px 20px var(--cs, rgba(0,102,204,.2));
}
.cbtile.active .cbtile-icon {
  background: var(--cc, var(--primary));
  color: #fff;
  box-shadow: 0 4px 12px var(--cs, rgba(0,102,204,.35));
}
.cbtile.active .cbtile-name { color: var(--cc, var(--primary)); font-weight: 800; }

/* ── Company Panels ──────────────────────────────── */
.cbpanel {
  display: none;
  animation: cbFadeIn .22s ease;
  padding-bottom: 2rem;
}
.cbpanel.active { display: block; }

@keyframes cbFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Panel top label */
.cbpanel-label {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .8rem;
  font-weight: 700;
  color: var(--cc, var(--primary));
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 1rem;
  padding-bottom: .6rem;
  border-bottom: 2px solid var(--border);
}
.cbpanel-label i { font-size: 1rem; }
.cbpanel-label em {
  font-style: normal;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: none;
  letter-spacing: 0;
  margin-left: auto;
}

/* ── Company Card Grid ──────────────────────────── */
.cbco-grid {
  display: grid;
  gap: .75rem;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  justify-content: center;
}
@media (max-width: 576px) {
  .cbco-grid { grid-template-columns: repeat(2, 1fr); gap: .6rem; justify-content: center; }
}
@media (min-width: 1200px) {
  .cbco-grid { grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); justify-content: center; }
}

.cbco-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: .65rem;
  background: #fff;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1rem;
  text-decoration: none;
  color: var(--text);
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  min-width: 0;
  height: 100%;
}
.cbco-card:hover {
  border-color: var(--cc, var(--primary));
  background: var(--cb, #e8f2ff);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px var(--cs, rgba(0,102,204,.18));
  color: var(--text);
}

/* Logo box */
.cbco-logo {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: var(--cb, #e8f2ff);
  border: 1.5px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: var(--transition);
}
.cbco-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 4px;
}
.cbco-logo i {
  font-size: 1.25rem;
  color: var(--cc, var(--primary));
}
.cbco-card:hover .cbco-logo {
  background: var(--cc, var(--primary));
  border-color: transparent;
}
.cbco-card:hover .cbco-logo:has(img) {
  background: #fff;
  border-color: var(--cc, var(--primary));
}
.cbco-card:hover .cbco-logo i { color: #fff; }

/* Text block */
.cbco-info {
  width: 100%;
  text-align: center;
}
.cbco-name {
  font-size: .8rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  margin-bottom: 0;
}

/* Individual Delete Button on Saved Cards */
.btn-delete-saved {
  position: absolute;
  top: 8px;
  right: 8px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.15rem;
  padding: 2px;
  line-height: 1;
  cursor: pointer;
  transition: var(--transition);
  opacity: 0.65;
  z-index: 2;
}
.btn-delete-saved:hover {
  color: var(--danger) !important;
  opacity: 1;
  transform: scale(1.2);
}

/* ============================================================
   USP / FEATURES SECTION
   ============================================================ */
.usp-section { padding: clamp(2.5rem, 5vw, 4rem) 0; }

.usp-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: clamp(1.5rem, 3vw, 2rem);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  text-align: center;
  transition: var(--transition);
  height: 100%;
}

.usp-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--primary);
}

.usp-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin: 0 auto 1rem;
}

.usp-icon.blue  { background: var(--primary-light); color: var(--primary); }
.usp-icon.green { background: var(--accent-light);  color: var(--accent);  }
.usp-icon.orange{ background: #fff3e0; color: #e65100; }

/* ============================================================
   HOW-TO STEPS
   ============================================================ */
.steps-section {
  background: linear-gradient(180deg, var(--bg) 0%, var(--primary-light) 100%);
  padding: clamp(2.5rem, 5vw, 4rem) 0;
}

.step-item {
  text-align: center;
  position: relative;
}

.step-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 1.4rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  position: relative;
  z-index: 1;
  box-shadow: 0 4px 16px rgba(0,102,204,.3);
}

.step-connector {
  position: absolute;
  top: 28px;
  left: calc(50% + 28px);
  right: calc(-50% + 28px);
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: .3;
}

@media (max-width: 767px) { .step-connector { display: none; } }

/* ============================================================
   CATEGORY SECTIONS
   ============================================================ */
.category-section { padding: clamp(2rem, 4vw, 3rem) 0; }

.category-header {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-bottom: 1.25rem;
}

.category-header h2 {
  font-size: clamp(1.2rem, 3vw, 1.5rem);
  margin: 0;
}

.category-icon-pill {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

/* Color map for categories */
.cat-electricity { background: #fff3e0; color: #e65100; }
.cat-gas         { background: #fce4ec; color: #c62828; }
.cat-water       { background: #e3f2fd; color: #1565c0; }
.cat-phone       { background: #e8f5e9; color: #2e7d32; }
.cat-internet    { background: #ede7f6; color: #6a1b9a; }

/* ============================================================
   COMPANY CARDS
   ============================================================ */
.companies-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: .75rem;
}

@media (min-width: 576px) { .companies-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 992px) { .companies-grid { grid-template-columns: repeat(4, 1fr); } }
@media (min-width: 1200px){ .companies-grid { grid-template-columns: repeat(5, 1fr); } }

.company-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem .75rem;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .6rem;
  text-decoration: none;
  color: var(--text);
  min-height: 110px;
  justify-content: center;
}

.company-card:hover {
  border-color: var(--primary);
  background: var(--primary-light);
  color: var(--primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  text-decoration: none;
}

.company-logo-wrap {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
}

.company-logo-wrap img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 4px;
}

.company-logo-placeholder {
  font-size: 1.5rem;
}

.company-name {
  font-size: .78rem;
  font-weight: 600;
  line-height: 1.3;
  text-align: center;
}

/* ============================================================
   SECTION HEADINGS
   ============================================================ */
.section-heading {
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 800;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: clamp(.9rem, 2vw, 1rem);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  background: var(--primary-light);
  color: var(--primary);
  font-size: .78rem;
  font-weight: 600;
  padding: .3rem .8rem;
  border-radius: 50px;
  margin-bottom: .75rem;
  text-transform: uppercase;
  letter-spacing: .06em;
}

/* ============================================================
   BLOG CARDS
   ============================================================ */
.blog-section { padding: clamp(2.5rem, 5vw, 4rem) 0; }

.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
  position: relative; /* Required: contains Bootstrap stretched-link ::after pseudo-element */
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--primary);
}

.blog-card-img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--primary);
  min-height: 160px;
}

.blog-card-body {
  padding: 1.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.blog-card-category {
  display: inline-block;
  font-size: .7rem;
  font-weight: 600;
  padding: .2rem .65rem;
  border-radius: 50px;
  background: var(--primary-light);
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: .6rem;
}

.blog-card-title {
  font-size: clamp(.9rem, 2vw, 1rem);
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: .5rem;
  color: var(--text);
  transition: var(--transition);
}

.blog-card:hover .blog-card-title { color: var(--primary); }

.blog-card-excerpt {
  font-size: .85rem;
  color: var(--text-muted);
  line-height: 1.6;
  flex: 1;
}

.blog-card-meta {
  font-size: .75rem;
  color: var(--text-muted);
  margin-top: 1rem;
  padding-top: .75rem;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: .75rem;
}

/* ============================================================
   COMPANY PAGE
   ============================================================ */
.company-hero {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  color: #fff;
  padding: clamp(2rem, 5vw, 3.5rem) 0;
}

.company-logo-lg {
  width: 90px;
  height: 90px;
  border-radius: 20px;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border: 3px solid rgba(255,255,255,.3);
  flex-shrink: 0;
}

.company-logo-lg img { width: 100%; height: 100%; object-fit: contain; padding: 8px; }

.bill-form-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 4vw, 2rem);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
}

.bill-input {
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  padding: .85rem 1.2rem;
  font-family: var(--font);
  font-size: 1.05rem;
  font-weight: 500;
  width: 100%;
  transition: var(--transition);
  height: auto;
}

.bill-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0,102,204,.12);
}

.btn-check-bill {
  background: linear-gradient(135deg, var(--accent) 0%, #20c997 100%);
  border: none;
  color: #fff;
  font-weight: 700;
  font-size: 1.05rem;
  padding: .9rem 2rem;
  border-radius: var(--radius-sm);
  width: 100%;
  min-height: 56px;
  transition: var(--transition);
  letter-spacing: .02em;
  box-shadow: 0 4px 16px rgba(40,167,69,.3);
  position: relative;
  overflow: hidden;
}

.btn-check-bill:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(40,167,69,.4);
  color: #fff;
}

.btn-check-bill .spinner-border { width: 1.2rem; height: 1.2rem; border-width: .2em; }

/* Instructions box */
.instructions-box {
  background: var(--primary-light);
  border: 1px solid rgba(0,102,204,.2);
  border-radius: var(--radius);
  padding: 1.25rem;
}

/* ============================================================
   FAQ ACCORDION
   ============================================================ */
.faq-accordion .accordion-item {
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-sm) !important;
  margin-bottom: .5rem;
  overflow: hidden;
}

.faq-accordion .accordion-button {
  font-weight: 600;
  font-family: var(--font);
  background: #fff;
  color: var(--text);
  padding: 1rem 1.25rem;
}

.faq-accordion .accordion-button:not(.collapsed) {
  background: var(--primary-light);
  color: var(--primary);
  box-shadow: none;
}

.faq-accordion .accordion-button::after {
  filter: none;
}

.faq-accordion .accordion-button:not(.collapsed)::after {
  filter: invert(35%) sepia(85%) saturate(1000%) hue-rotate(195deg);
}

/* ============================================================
   BLOG PAGES
   ============================================================ */
.blog-sidebar .card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.blog-sidebar .card-header {
  background: var(--primary);
  color: #fff;
  font-weight: 700;
  border: none;
  padding: .9rem 1.25rem;
}

.post-content {
  font-size: clamp(.9rem, 2vw, 1rem);
  line-height: 1.8;
}

.post-content h2 {
  font-size: clamp(1.3rem, 3vw, 1.6rem);
  margin-top: 2rem;
  margin-bottom: 1rem;
  color: var(--primary-dark);
  border-left: 4px solid var(--primary);
  padding-left: .75rem;
}

.post-content h3 {
  font-size: clamp(1.1rem, 2.5vw, 1.3rem);
  margin-top: 1.5rem;
  margin-bottom: .75rem;
}

.post-content p { margin-bottom: 1.25rem; }

.post-content ul, .post-content ol {
  padding-left: 1.5rem;
  margin-bottom: 1.25rem;
}

.post-content li { margin-bottom: .4rem; }

.post-content a { color: var(--primary); font-weight: 500; }
.post-content a:hover { color: var(--primary-dark); }

.post-content blockquote {
  border-left: 4px solid var(--accent);
  background: var(--accent-light);
  padding: 1rem 1.5rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 1.5rem 0;
}

.post-tags .badge {
  font-size: .75rem;
  font-weight: 500;
  padding: .35rem .7rem;
  border-radius: 50px;
}

/* ============================================================
   SEARCH
   ============================================================ */
.search-result-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 1rem;
  transition: var(--transition);
}

.search-result-item:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.search-result-type {
  display: inline-block;
  font-size: .7rem;
  font-weight: 600;
  padding: .15rem .5rem;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: .06em;
}

.search-result-type.company { background: var(--primary-light); color: var(--primary); }
.search-result-type.post    { background: var(--accent-light);  color: var(--accent);  }

.search-bar {
  background: #fff;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: .75rem 1rem;
  font-family: var(--font);
  font-size: 1rem;
  width: 100%;
  transition: var(--transition);
}

.search-bar:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0,102,204,.1);
  outline: none;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: #0f172a;
  color: rgba(255,255,255,.75);
  padding: clamp(2.5rem, 5vw, 4rem) 0 0;
}

.footer-brand {
  font-size: 1.4rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: .75rem;
}

.footer-brand .accent { color: var(--accent); }

.footer-tagline {
  font-size: .85rem;
  opacity: .7;
  line-height: 1.5;
}

.footer-heading {
  font-size: .85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: rgba(255,255,255,.5);
  margin-bottom: 1rem;
}

.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: .5rem; }
.footer-links a {
  color: rgba(255,255,255,.65);
  font-size: .85rem;
  transition: var(--transition);
}
.footer-links a:hover { color: #fff; padding-left: 4px; }

.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(255,255,255,.08);
  color: rgba(255,255,255,.7);
  font-size: 1.1rem;
  transition: var(--transition);
  margin-right: .4rem;
}

.footer-social a:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}

.footer-disclaimer {
  background: rgba(255,255,255,.05);
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 1rem 0;
  font-size: .78rem;
  color: rgba(255,255,255,.45);
  text-align: center;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 1.25rem 0;
  font-size: .8rem;
  color: rgba(255,255,255,.4);
}

/* ============================================================
   BUTTONS (global)
   ============================================================ */
.btn {
  font-family: var(--font);
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  min-height: 44px; /* Mobile tap target */
}

.btn-primary {
  background: var(--primary);
  border-color: var(--primary);
}
.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0,102,204,.3);
}

.btn-success {
  background: var(--accent);
  border-color: var(--accent);
}
.btn-success:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
}

.btn-outline-primary {
  color: var(--primary);
  border-color: var(--primary);
}
.btn-outline-primary:hover {
  background: var(--primary);
  border-color: var(--primary);
}

/* ============================================================
   FORMS (global)
   ============================================================ */
.form-control, .form-select {
  font-family: var(--font);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: .65rem 1rem;
  min-height: 48px; /* Mobile tap target */
  transition: var(--transition);
}

.form-control:focus, .form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0,102,204,.12);
}

.form-label { font-weight: 600; font-size: .9rem; margin-bottom: .4rem; }

/* ============================================================
   BADGES
   ============================================================ */
.badge { font-family: var(--font); }

.badge-pill {
  border-radius: 50px;
  font-size: .72rem;
  font-weight: 600;
  padding: .3rem .75rem;
}

/* ============================================================
   CARDS
   ============================================================ */
.card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.card-header {
  font-weight: 700;
  font-size: .95rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}

/* ============================================================
   BREADCRUMB
   ============================================================ */
.breadcrumb {
  background: none;
  padding: 0;
  margin: 0;
  font-size: .82rem;
}

.breadcrumb-item + .breadcrumb-item::before { color: var(--text-muted); }
.breadcrumb-item.active { color: var(--text-muted); }
.breadcrumb-item a { color: var(--primary); font-weight: 500; }

/* ============================================================
   404 / ERROR PAGES
   ============================================================ */
.error-page {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 4rem 1rem;
}

.error-code {
  font-size: clamp(5rem, 15vw, 9rem);
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

/* ============================================================
   LOADING SPINNER OVERLAY
   ============================================================ */
.btn-loading .spinner-border { margin-right: .5rem; }

/* ============================================================
   TOAST
   ============================================================ */
.toast-container { z-index: 9999; }

/* ============================================================
   RESPONSIVE TWEAKS
   ============================================================ */
@media (max-width: 575.98px) {
  .hero-search-card { padding: 1.25rem; }
  .company-card { min-height: 90px; }
  .company-name { font-size: .72rem; }
  .blog-card-body { padding: 1rem; }
  .bill-form-card { border-radius: var(--radius); }
}

@media (min-width: 1400px) {
  .hero h1 { font-size: 3.25rem; }
}

/* ============================================================
   SCHEMA / PRINT
   ============================================================ */
@media print {
  .site-header, .site-footer, .hero-search-card { display: none !important; }
  .bill-form-card { box-shadow: none; border: 1px solid #ccc; }
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.animate-fade-up {
  animation: fadeInUp .5s cubic-bezier(.4,0,.2,1) both;
}

.animate-delay-1 { animation-delay: .1s; }
.animate-delay-2 { animation-delay: .2s; }
.animate-delay-3 { animation-delay: .3s; }

/* ============================================================
   SCROLLBAR
   ============================================================ */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary-dark); }