/* ============================================
   LifeDrop Blood Bank - Master Stylesheet
   Professional Medical Website Design
   ============================================ */

/* CSS Variables */
:root {
  --primary: #DC2626;
  --primary-dark: #B91C1C;
  --primary-light: #FEE2E2;
  --primary-50: #FEF2F2;
  --secondary: #1E40AF;
  --secondary-light: #DBEAFE;
  --accent: #059669;
  --accent-light: #D1FAE5;
  --dark: #111827;
  --gray-900: #1F2937;
  --gray-800: #1F2937;
  --gray-700: #374151;
  --gray-600: #4B5563;
  --gray-500: #6B7280;
  --gray-400: #9CA3AF;
  --gray-300: #D1D5DB;
  --gray-200: #E5E7EB;
  --gray-100: #F3F4F6;
  --gray-50: #F9FAFB;
  --white: #FFFFFF;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
  --radius: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --transition: all 0.3s ease;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; font-family: inherit; }
input, select, textarea { font-family: inherit; font-size: inherit; }

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--dark);
}
h1 { font-size: 2.75rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
p { color: var(--gray-600); line-height: 1.7; }

/* Utility Classes */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.section { padding: 80px 0; }
.section-sm { padding: 48px 0; }
.text-center { text-align: center; }
.text-primary { color: var(--primary); }
.text-secondary { color: var(--secondary); }
.text-accent { color: var(--accent); }
.text-white { color: var(--white); }
.bg-primary { background: var(--primary); }
.bg-light { background: var(--gray-50); }
.bg-primary-light { background: var(--primary-50); }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.mb-5 { margin-bottom: 48px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }

/* Section Header */
.section-header {
  text-align: center;
  margin-bottom: 48px;
}
.section-header .section-label {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}
.section-header h2 {
  margin-bottom: 16px;
  font-size: 2.25rem;
}
.section-header p {
  max-width: 640px;
  margin: 0 auto;
  font-size: 1.1rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition);
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--primary);
  color: var(--white);
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}
.btn-secondary {
  background: var(--secondary);
  color: var(--white);
}
.btn-secondary:hover {
  background: #1E3A8A;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}
.btn-outline {
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
}
.btn-outline:hover {
  background: var(--primary);
  color: var(--white);
}
.btn-outline-white {
  background: transparent;
  border: 2px solid var(--white);
  color: var(--white);
}
.btn-outline-white:hover {
  background: var(--white);
  color: var(--primary);
}
.btn-accent {
  background: var(--accent);
  color: var(--white);
}
.btn-accent:hover {
  background: #047857;
  transform: translateY(-2px);
}
.btn-white {
  background: var(--white);
  color: var(--primary);
}
.btn-white:hover {
  background: var(--gray-100);
  transform: translateY(-2px);
}
.btn-lg {
  padding: 18px 36px;
  font-size: 1.1rem;
  border-radius: var(--radius-lg);
}
.btn-sm {
  padding: 10px 20px;
  font-size: 0.9rem;
}
.btn-block { display: flex; width: 100%; }
.btn-icon {
  width: 48px;
  height: 48px;
  padding: 0;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* Cards */
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 32px;
  transition: var(--transition);
  border: 1px solid var(--gray-100);
}
.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.card-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-bottom: 20px;
}
.card-icon.red { background: var(--primary-light); }
.card-icon.blue { background: var(--secondary-light); }
.card-icon.green { background: var(--accent-light); }

/* Grid Layouts */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* Navigation */
.navbar {
  background: var(--white);
  box-shadow: var(--shadow-sm);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--gray-100);
}
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.navbar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--dark);
}
.navbar-brand .logo-icon {
  width: 44px;
  height: 44px;
  background: var(--primary);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.5rem;
}
.navbar-brand span { color: var(--primary); }
.navbar-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.navbar-nav a {
  padding: 8px 16px;
  border-radius: var(--radius);
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--gray-700);
}
.navbar-nav a:hover,
.navbar-nav a.active {
  background: var(--primary-50);
  color: var(--primary);
}
.navbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.mobile-toggle {
  display: none;
  background: none;
  font-size: 1.5rem;
  color: var(--dark);
  padding: 8px;
}
.mobile-nav {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  background: var(--white);
  box-shadow: var(--shadow-lg);
  padding: 24px;
  z-index: 999;
}
.mobile-nav.active { display: block; }
.mobile-nav a {
  display: block;
  padding: 12px 16px;
  border-radius: var(--radius);
  font-weight: 500;
  color: var(--gray-700);
}
.mobile-nav a:hover { background: var(--primary-50); color: var(--primary); }

/* Top Bar */
.top-bar {
  background: var(--dark);
  color: var(--gray-300);
  padding: 8px 0;
  font-size: 0.85rem;
}
.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.top-bar a { color: var(--gray-300); }
.top-bar a:hover { color: var(--white); }
.top-bar-left, .top-bar-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, #FEF2F2 0%, #FEE2E2 50%, #FECACA 100%);
  padding: 140px 0 80px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(220,38,38,0.08) 0%, transparent 70%);
  border-radius: 50%;
}
.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-content { position: relative; z-index: 1; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--white);
  padding: 8px 16px;
  border-radius: 24px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary);
  box-shadow: var(--shadow);
  margin-bottom: 24px;
}
.hero-badge .pulse {
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}
.hero h1 {
  font-size: 3.25rem;
  margin-bottom: 20px;
  line-height: 1.15;
}
.hero h1 .highlight { color: var(--primary); }
.hero p {
  font-size: 1.15rem;
  margin-bottom: 32px;
  max-width: 520px;
}
.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid rgba(220,38,38,0.15);
}
.hero-stat h3 {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 4px;
}
.hero-stat p {
  font-size: 0.9rem;
  color: var(--gray-500);
  margin: 0;
}
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 440px;
}
.hero-card-header {
  text-align: center;
  margin-bottom: 32px;
}
.hero-card-header .icon {
  width: 64px;
  height: 64px;
  background: var(--primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto 16px;
}
.hero-card-header h3 { font-size: 1.5rem; }
.hero-card-header p { font-size: 0.9rem; }

/* Quick Search Card */
.quick-search {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 32px;
  box-shadow: var(--shadow-xl);
  margin-top: -60px;
  position: relative;
  z-index: 10;
  border: 1px solid var(--gray-100);
}
.quick-search h3 {
  margin-bottom: 24px;
  font-size: 1.25rem;
}
.quick-search .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr auto;
  gap: 16px;
  align-items: end;
}

/* Forms */
.form-group { margin-bottom: 20px; }
.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--gray-700);
  font-size: 0.95rem;
}
.form-label .required { color: var(--primary); }
.form-control {
  width: 100%;
  padding: 14px 16px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 1rem;
  transition: var(--transition);
  background: var(--white);
  color: var(--dark);
}
.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(220,38,38,0.1);
}
.form-control::placeholder { color: var(--gray-400); }
select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 20 20'%3E%3Cpath fill='%236B7280' d='M7 7l3-3 3 3m0 6l-3 3-3-3'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
}
textarea.form-control { resize: vertical; min-height: 120px; }
.form-hint {
  font-size: 0.85rem;
  color: var(--gray-500);
  margin-top: 6px;
}
.form-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 16px;
}
.form-check input[type="checkbox"] {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  accent-color: var(--primary);
}
.form-check label {
  font-size: 0.95rem;
  color: var(--gray-600);
  cursor: pointer;
}
.form-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 24px 0;
  color: var(--gray-400);
  font-size: 0.9rem;
}
.form-divider::before,
.form-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--gray-200);
}

/* Blood Group Selector */
.blood-group-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.blood-group-option {
  position: relative;
}
.blood-group-option input { position: absolute; opacity: 0; }
.blood-group-option label {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px 8px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--gray-700);
  cursor: pointer;
  transition: var(--transition);
}
.blood-group-option input:checked + label {
  border-color: var(--primary);
  background: var(--primary-light);
  color: var(--primary);
}
.blood-group-option label:hover {
  border-color: var(--primary);
  background: var(--primary-50);
}

/* Stats Section */
.stats-section {
  background: linear-gradient(135deg, var(--dark) 0%, var(--gray-900) 100%);
  padding: 60px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.stat-card {
  text-align: center;
  padding: 24px;
}
.stat-card .stat-icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
}
.stat-card h3 {
  font-size: 2.5rem;
  color: var(--white);
  margin-bottom: 8px;
}
.stat-card p {
  color: var(--gray-400);
  font-size: 0.95rem;
}

/* Features / How It Works */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  position: relative;
}
.process-steps::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 15%;
  right: 15%;
  height: 2px;
  background: var(--gray-200);
}
.step-card {
  text-align: center;
  position: relative;
  z-index: 1;
}
.step-number {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  font-weight: 800;
  margin: 0 auto 20px;
  box-shadow: 0 4px 14px rgba(220,38,38,0.3);
}
.step-card h4 { margin-bottom: 8px; }
.step-card p { font-size: 0.95rem; }

/* Blood Groups Display */
.blood-groups-showcase {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.bg-card {
  background: var(--white);
  border: 2px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.bg-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--primary);
  transform: scaleX(0);
  transition: var(--transition);
}
.bg-card:hover::before { transform: scaleX(1); }
.bg-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
}
.bg-card .bg-symbol {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 8px;
}
.bg-card .bg-name {
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 4px;
}
.bg-card .bg-info {
  font-size: 0.85rem;
  color: var(--gray-500);
}
.bg-card .bg-compat {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--gray-100);
  font-size: 0.8rem;
  color: var(--gray-500);
}
.bg-card .bg-compat span {
  display: block;
  margin-top: 4px;
  color: var(--accent);
  font-weight: 600;
}

/* Testimonials */
.testimonial-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-100);
  position: relative;
}
.testimonial-card .quote-icon {
  font-size: 3rem;
  color: var(--primary-light);
  position: absolute;
  top: 20px;
  right: 24px;
  line-height: 1;
}
.testimonial-card p {
  font-size: 1.05rem;
  font-style: italic;
  margin-bottom: 20px;
  color: var(--gray-700);
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
}
.testimonial-info h5 {
  font-size: 0.95rem;
  margin-bottom: 2px;
}
.testimonial-info span {
  font-size: 0.85rem;
  color: var(--gray-500);
}
.testimonial-stars {
  color: #F59E0B;
  margin-bottom: 12px;
  font-size: 1rem;
}

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: rgba(255,255,255,0.05);
  border-radius: 50%;
}
.cta-content {
  text-align: center;
  position: relative;
  z-index: 1;
}
.cta-content h2 {
  color: var(--white);
  font-size: 2.5rem;
  margin-bottom: 16px;
}
.cta-content p {
  color: rgba(255,255,255,0.85);
  font-size: 1.15rem;
  max-width: 600px;
  margin: 0 auto 32px;
}
.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Footer */
.footer {
  background: var(--dark);
  color: var(--gray-400);
  padding-top: 60px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-brand p {
  margin-top: 16px;
  font-size: 0.95rem;
  line-height: 1.7;
}
.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}
.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gray-800);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-400);
  transition: var(--transition);
}
.footer-social a:hover {
  background: var(--primary);
  color: var(--white);
}
.footer h4 {
  color: var(--white);
  font-size: 1.1rem;
  margin-bottom: 20px;
}
.footer-links a {
  display: block;
  padding: 6px 0;
  color: var(--gray-400);
  font-size: 0.95rem;
}
.footer-links a:hover { color: var(--white); padding-left: 4px; }
.footer-contact li {
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 0.95rem;
}
.footer-contact li span:first-child {
  color: var(--primary);
  font-size: 1.1rem;
}
.footer-bottom {
  border-top: 1px solid var(--gray-800);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
}
.footer-bottom-links {
  display: flex;
  gap: 24px;
}
.footer-bottom-links a { color: var(--gray-400); }
.footer-bottom-links a:hover { color: var(--white); }

/* Privacy Badge */
.privacy-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-light);
  color: var(--accent);
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
}

/* Trust Indicators */
.trust-bar {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--gray-600);
}
.trust-item .icon {
  color: var(--accent);
  font-size: 1.25rem;
}

/* Page Header (Internal Pages) */
.page-header {
  background: linear-gradient(135deg, #FEF2F2 0%, #FEE2E2 100%);
  padding: 120px 0 60px;
  text-align: center;
}
.page-header h1 { margin-bottom: 16px; }
.page-header p {
  max-width: 600px;
  margin: 0 auto;
  font-size: 1.1rem;
}
.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 20px;
  font-size: 0.9rem;
}
.breadcrumb a { color: var(--primary); }
.breadcrumb span { color: var(--gray-400); }

/* Blog Cards */
.blog-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid var(--gray-100);
}
.blog-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.blog-card-img {
  height: 200px;
  background: linear-gradient(135deg, var(--primary-light), var(--primary-50));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}
.blog-card-body { padding: 24px; }
.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 12px;
  font-size: 0.85rem;
  color: var(--gray-500);
}
.blog-card-meta .category {
  background: var(--primary-light);
  color: var(--primary);
  padding: 4px 10px;
  border-radius: 12px;
  font-weight: 600;
}
.blog-card h3 {
  margin-bottom: 8px;
  font-size: 1.2rem;
}
.blog-card p {
  font-size: 0.95rem;
  margin-bottom: 16px;
}
.blog-card .read-more {
  color: var(--primary);
  font-weight: 600;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* States/Cities Grid */
.location-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.location-card {
  background: var(--white);
  border: 2px solid var(--gray-100);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  transition: var(--transition);
}
.location-card:hover {
  border-color: var(--primary);
  background: var(--primary-50);
}
.location-card .emoji { font-size: 1.5rem; margin-bottom: 8px; }
.location-card h4 { font-size: 1rem; margin-bottom: 4px; }
.location-card span {
  font-size: 0.85rem;
  color: var(--gray-500);
}

/* FAQ */
.faq-item {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
}
.faq-question {
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-weight: 600;
  color: var(--dark);
  transition: var(--transition);
}
.faq-question:hover { background: var(--gray-50); }
.faq-question .icon {
  font-size: 1.25rem;
  transition: var(--transition);
  color: var(--primary);
}
.faq-answer {
  padding: 0 24px 20px;
  color: var(--gray-600);
  display: none;
}
.faq-item.active .faq-answer { display: block; }
.faq-item.active .faq-question { background: var(--primary-50); }
.faq-item.active .faq-question .icon { transform: rotate(45deg); }

/* Alert Boxes */
.alert {
  padding: 16px 20px;
  border-radius: var(--radius);
  margin-bottom: 20px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
}
.alert-success {
  background: var(--accent-light);
  color: #065F46;
  border: 1px solid #A7F3D0;
}
.alert-info {
  background: var(--secondary-light);
  color: #1E40AF;
  border: 1px solid #93C5FD;
}
.alert-warning {
  background: #FEF3C7;
  color: #92400E;
  border: 1px solid #FCD34D;
}
.alert-danger {
  background: var(--primary-light);
  color: #991B1B;
  border: 1px solid #FECACA;
}

/* Hospital Partner Card */
.partner-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 2px solid var(--gray-100);
  transition: var(--transition);
}
.partner-card:hover {
  border-color: var(--secondary);
  box-shadow: var(--shadow-lg);
}
.partner-card .badge {
  display: inline-block;
  background: var(--secondary-light);
  color: var(--secondary);
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 12px;
}

/* Contact Info Cards */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.contact-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.contact-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.contact-card .icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin: 0 auto 16px;
}
.contact-card h4 { margin-bottom: 8px; }

/* Lead Status Badges */
.badge-new { background: #DBEAFE; color: #1E40AF; }
.badge-contacted { background: #FEF3C7; color: #92400E; }
.badge-confirmed { background: #D1FAE5; color: #065F46; }
.badge-completed { background: #E0E7FF; color: #3730A3; }

/* Scroll to Top */
.scroll-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 999;
  cursor: pointer;
}
.scroll-top.visible { opacity: 1; visibility: visible; }
.scroll-top:hover { background: var(--primary-dark); transform: translateY(-4px); }

/* Loading Spinner */
.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--gray-200);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.modal-overlay.active { display: flex; }
.modal {
  background: var(--white);
  border-radius: var(--radius-xl);
  max-width: 560px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 40px;
  position: relative;
}
.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--gray-600);
  cursor: pointer;
}

/* Emergency Banner */
.emergency-banner {
  background: linear-gradient(90deg, var(--primary), #EF4444);
  color: var(--white);
  padding: 12px 0;
  text-align: center;
  font-weight: 600;
}
.emergency-banner a {
  color: var(--white);
  text-decoration: underline;
}

/* Table */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
}
table {
  width: 100%;
  border-collapse: collapse;
}
th {
  background: var(--gray-50);
  padding: 14px 16px;
  text-align: left;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--gray-700);
  border-bottom: 2px solid var(--gray-200);
}
td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--gray-100);
  font-size: 0.95rem;
}
tr:hover { background: var(--gray-50); }

/* Tab System */
.tabs {
  display: flex;
  gap: 4px;
  border-bottom: 2px solid var(--gray-200);
  margin-bottom: 32px;
}
.tab-btn {
  padding: 12px 24px;
  font-weight: 600;
  color: var(--gray-500);
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: var(--transition);
}
.tab-btn.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}
.tab-btn:hover { color: var(--primary); }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* Pagination */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 40px;
}
.pagination a, .pagination span {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.9rem;
}
.pagination a {
  background: var(--white);
  border: 1px solid var(--gray-200);
  color: var(--gray-700);
}
.pagination a:hover {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}
.pagination span.current {
  background: var(--primary);
  color: var(--white);
}

/* Newsletter */
.newsletter-form {
  display: flex;
  gap: 12px;
  max-width: 480px;
}
.newsletter-form .form-control {
  flex: 1;
}

/* Responsive */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .hero .container { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
  .process-steps::before { display: none; }
  .blood-groups-showcase { grid-template-columns: repeat(2, 1fr); }
  .location-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }
  .section { padding: 48px 0; }
  .navbar-nav { display: none; }
  .mobile-toggle { display: block; }
  .top-bar { display: none; }
  .hero { padding: 100px 0 60px; }
  .hero h1 { font-size: 2.25rem; }
  .hero-stats { flex-direction: column; gap: 20px; }
  .quick-search .form-row { grid-template-columns: 1fr; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: 1fr; }
  .blood-groups-showcase { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .contact-grid { grid-template-columns: 1fr; }
  .cta-content h2 { font-size: 1.75rem; }
  .location-grid { grid-template-columns: repeat(2, 1fr); }
  .blood-group-grid { grid-template-columns: repeat(4, 1fr); }
  .trust-bar { flex-direction: column; align-items: flex-start; }
  .hero-buttons { flex-direction: column; }
  .hero-buttons .btn { width: 100%; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero h1 { font-size: 1.85rem; }
  .blood-group-grid { grid-template-columns: repeat(3, 1fr); }
  .blood-groups-showcase { grid-template-columns: 1fr; }
  .location-grid { grid-template-columns: 1fr; }
}