/* ==========================================================================
   NIRMAL JEEVAN CHARITABLE TRUST - MODERN DESIGN SYSTEM
   Modern, Accessible, Mobile-First Stylesheet (2026 Edition)
   ========================================================================== */

:root {
  --nj-primary: #0284c7;        /* Trust Blue from Logo */
  --nj-primary-dark: #0369a1;
  --nj-primary-light: #e0f2fe;
  --nj-secondary: #e15759;      /* Caring Coral/Red from Logo Hand */
  --nj-secondary-dark: #c53030;
  --nj-secondary-light: #fee2e2;
  --nj-accent: #f59e0b;         /* Flame Gold */
  --nj-accent-light: #fef3c7;
  --nj-dark: #0f172a;           /* Deep Slate Navy */
  --nj-dark-sub: #334155;
  --nj-muted: #64748b;
  --nj-light-bg: #f8fafc;
  --nj-card-bg: #ffffff;
  --nj-border: #e2e8f0;
  --nj-shadow-sm: 0 2px 4px rgba(15, 23, 42, 0.05);
  --nj-shadow-md: 0 10px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
  --nj-shadow-lg: 0 20px 35px -10px rgba(15, 23, 42, 0.12), 0 10px 15px -5px rgba(15, 23, 42, 0.06);
  --nj-radius: 12px;
  --nj-radius-lg: 20px;
  --nj-font-heading: 'Outfit', 'Poppins', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --nj-font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --nj-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  font-family: var(--nj-font-body);
  color: var(--nj-dark-sub);
  background-color: #ffffff;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--nj-font-heading);
  color: var(--nj-dark);
  font-weight: 700;
  line-height: 1.25;
}

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

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

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

/* ==========================================================================
   TOP NOTIFICATION & CONTACT BAR
   ========================================================================== */
.topbar {
  background: var(--nj-dark);
  color: #94a3b8;
  font-size: 0.85rem;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.topbar a {
  color: #cbd5e1;
}

.topbar a:hover {
  color: #ffffff;
}

.topbar .contact-info span {
  margin-right: 20px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.topbar .top-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  margin-left: 6px;
  font-size: 13px;
  transition: var(--nj-transition);
}

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

/* ==========================================================================
   STICKY NAVBAR
   ========================================================================== */
.navbar-custom {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.06);
  padding: 12px 0;
  position: sticky;
  top: 0;
  z-index: 1030;
  transition: var(--nj-transition);
}

.navbar-custom .navbar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  color: var(--nj-dark);
  font-family: var(--nj-font-heading);
}

.navbar-custom .brand-logo {
  height: 52px;
  width: auto;
  border-radius: 8px;
}

.navbar-custom .brand-title {
  font-size: 1.15rem;
  line-height: 1.15;
  font-weight: 800;
  color: var(--nj-dark);
  display: block;
}

.navbar-custom .brand-sub {
  font-size: 0.72rem;
  letter-spacing: 1px;
  color: var(--nj-secondary);
  font-weight: 600;
  text-transform: uppercase;
  display: block;
}

.navbar-custom .nav-link {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--nj-dark-sub);
  padding: 8px 16px !important;
  border-radius: 8px;
  transition: var(--nj-transition);
}

.navbar-custom .nav-link:hover,
.navbar-custom .nav-link.active {
  color: var(--nj-primary);
  background: var(--nj-primary-light);
}

.navbar-custom .dropdown-menu {
  border: 1px solid var(--nj-border);
  border-radius: var(--nj-radius);
  box-shadow: var(--nj-shadow-lg);
  padding: 8px;
  margin-top: 10px;
}

.navbar-custom .dropdown-item {
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 6px;
  color: var(--nj-dark-sub);
  font-size: 0.92rem;
  transition: var(--nj-transition);
}

.navbar-custom .dropdown-item:hover {
  background: var(--nj-primary-light);
  color: var(--nj-primary);
  transform: translateX(4px);
}

/* Header Buttons */
.btn-cta-donate {
  background: linear-gradient(135deg, var(--nj-secondary), #f05d5e);
  color: #fff !important;
  font-weight: 700;
  padding: 10px 22px;
  border-radius: 30px;
  box-shadow: 0 4px 14px rgba(225, 87, 89, 0.35);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--nj-transition);
  border: none;
}

.btn-cta-donate:hover {
  background: linear-gradient(135deg, #c53030, var(--nj-secondary));
  box-shadow: 0 6px 20px rgba(225, 87, 89, 0.45);
  transform: translateY(-2px);
  color: #fff !important;
}

.btn-cta-outline {
  border: 2px solid #fff;
  color: #fff !important;
  font-weight: 600;
  padding: 10px 24px;
  border-radius: 30px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--nj-transition);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(4px);
}

.btn-cta-outline:hover {
  background: #fff;
  color: var(--nj-dark) !important;
  transform: translateY(-2px);
}

/* ==========================================================================
   HERO CAROUSEL SECTION
   ========================================================================== */
.hero-section {
  position: relative;
  background-color: var(--nj-dark);
  overflow: hidden;
}

.hero-slide {
  height: 82vh;
  min-height: 560px;
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  display: flex;
  align-items: center;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    rgba(15, 23, 42, 0.88) 0%,
    rgba(15, 23, 42, 0.72) 50%,
    rgba(15, 23, 42, 0.45) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 10;
  color: #ffffff;
  max-width: 720px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(2, 132, 199, 0.25);
  border: 1px solid rgba(2, 132, 199, 0.5);
  color: #7dd3fc;
  padding: 6px 16px;
  border-radius: 30px;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 20px;
  backdrop-filter: blur(8px);
}

.hero-title {
  font-size: 3.25rem;
  font-weight: 800;
  line-height: 1.15;
  color: #ffffff;
  margin-bottom: 20px;
}

.hero-title span {
  background: linear-gradient(135deg, #38bdf8, #fdba74);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-text {
  font-size: 1.18rem;
  color: #e2e8f0;
  margin-bottom: 30px;
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

/* ==========================================================================
   FLOATING IMPACT BAR
   ========================================================================== */
.impact-bar-wrap {
  position: relative;
  margin-top: -50px;
  z-index: 20;
}

.impact-bar {
  background: #ffffff;
  border-radius: var(--nj-radius-lg);
  box-shadow: var(--nj-shadow-lg);
  padding: 30px 20px;
  border: 1px solid var(--nj-border);
}

.impact-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 10px 15px;
}

.impact-icon {
  width: 58px;
  height: 58px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  flex-shrink: 0;
}

.impact-icon.blue { background: var(--nj-primary-light); color: var(--nj-primary); }
.impact-icon.coral { background: var(--nj-secondary-light); color: var(--nj-secondary); }
.impact-icon.gold { background: var(--nj-accent-light); color: #d97706; }
.impact-icon.green { background: #dcfce7; color: #16a34a; }

.impact-number {
  font-size: 1.85rem;
  font-weight: 800;
  line-height: 1.1;
  color: var(--nj-dark);
  font-family: var(--nj-font-heading);
}

.impact-label {
  font-size: 0.88rem;
  color: var(--nj-muted);
  font-weight: 500;
  margin: 0;
}

/* ==========================================================================
   SECTION COMMONS
   ========================================================================== */
.section-padding {
  padding: 85px 0;
}

.bg-light-surface {
  background-color: var(--nj-light-bg);
}

.section-header {
  margin-bottom: 50px;
}

.section-subtitle {
  color: var(--nj-secondary);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  display: inline-block;
  margin-bottom: 8px;
}

.section-title {
  font-size: 2.35rem;
  font-weight: 800;
  color: var(--nj-dark);
  line-height: 1.25;
}

.section-description {
  color: var(--nj-muted);
  font-size: 1.05rem;
  max-width: 650px;
  margin: 12px auto 0 auto;
}

/* ==========================================================================
   ABOUT HIGHLIGHT SECTION
   ========================================================================== */
.about-card-image {
  position: relative;
  border-radius: var(--nj-radius-lg);
  overflow: hidden;
  box-shadow: var(--nj-shadow-lg);
}

.about-card-image img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.about-card-image:hover img {
  transform: scale(1.03);
}

.about-badge-card {
  position: absolute;
  bottom: 25px;
  right: 25px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  padding: 16px 20px;
  border-radius: var(--nj-radius);
  box-shadow: var(--nj-shadow-md);
  border-left: 4px solid var(--nj-secondary);
  max-width: 260px;
}

.about-badge-card h5 {
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.about-badge-card p {
  font-size: 0.78rem;
  color: var(--nj-muted);
  margin: 0;
}

.feature-check-list {
  list-style: none;
  padding: 0;
  margin: 25px 0;
}

.feature-check-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
  font-weight: 500;
  color: var(--nj-dark-sub);
}

.feature-check-list li i {
  color: var(--nj-primary);
  font-size: 1.2rem;
  margin-top: 2px;
}

/* Quote Callout */
.quote-callout {
  background: var(--nj-primary-light);
  border-left: 4px solid var(--nj-primary);
  padding: 18px 24px;
  border-radius: 0 var(--nj-radius) var(--nj-radius) 0;
  margin: 25px 0;
}

.quote-callout p {
  font-style: italic;
  font-weight: 600;
  color: var(--nj-primary-dark);
  margin-bottom: 4px;
}

.quote-callout span {
  font-size: 0.85rem;
  color: var(--nj-muted);
  font-weight: 600;
}

/* ==========================================================================
   PROJECT CARDS / CAUSES
   ========================================================================== */
.cause-card {
  background: #ffffff;
  border-radius: var(--nj-radius-lg);
  border: 1px solid var(--nj-border);
  overflow: hidden;
  box-shadow: var(--nj-shadow-sm);
  transition: var(--nj-transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.cause-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--nj-shadow-lg);
  border-color: rgba(2, 132, 199, 0.3);
}

.cause-image-wrap {
  position: relative;
  height: 220px;
  overflow: hidden;
}

.cause-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.cause-card:hover .cause-image-wrap img {
  transform: scale(1.08);
}

.cause-badge {
  position: absolute;
  top: 15px;
  left: 15px;
  background: rgba(15, 23, 42, 0.8);
  color: #fff;
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 600;
  backdrop-filter: blur(4px);
}

.cause-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.cause-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--nj-dark);
}

.cause-body p {
  color: var(--nj-muted);
  font-size: 0.94rem;
  flex-grow: 1;
}

.cause-footer {
  margin-top: 15px;
  padding-top: 15px;
  border-top: 1px solid var(--nj-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.cause-link {
  font-weight: 700;
  color: var(--nj-primary);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.92rem;
}

.cause-link:hover {
  color: var(--nj-primary-dark);
  gap: 9px;
}

/* ==========================================================================
   DONATION STRIP & BANK ACCORDION
   ========================================================================== */
.donation-cta-banner {
  background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 100%);
  border-radius: var(--nj-radius-lg);
  padding: 50px 40px;
  color: #ffffff;
  position: relative;
  overflow: hidden;
  box-shadow: var(--nj-shadow-lg);
}

.donation-cta-banner::before {
  content: '';
  position: absolute;
  top: -50px;
  right: -50px;
  width: 250px;
  height: 250px;
  border-radius: 50%;
  background: rgba(225, 87, 89, 0.15);
  filter: blur(40px);
}

.bank-detail-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--nj-radius);
  padding: 24px;
}

.copy-field {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(15, 23, 42, 0.4);
  padding: 8px 14px;
  border-radius: 8px;
  margin-top: 6px;
  font-family: monospace;
  font-size: 1rem;
}

.btn-copy {
  background: var(--nj-primary);
  color: #fff;
  border: none;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-family: var(--nj-font-body);
  font-weight: 600;
  cursor: pointer;
  transition: var(--nj-transition);
}

.btn-copy:hover {
  background: #38bdf8;
  color: var(--nj-dark);
}

/* ==========================================================================
   PHOTO GALLERY
   ========================================================================== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.gallery-card {
  position: relative;
  border-radius: var(--nj-radius);
  overflow: hidden;
  height: 240px;
  box-shadow: var(--nj-shadow-sm);
  cursor: pointer;
}

.gallery-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gallery-card:hover img {
  transform: scale(1.08);
}

.gallery-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.85) 0%, transparent 60%);
  display: flex;
  align-items: flex-end;
  padding: 20px;
  color: #fff;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.gallery-card:hover .gallery-overlay {
  opacity: 1;
}

.gallery-caption {
  font-size: 0.95rem;
  font-weight: 600;
}

/* ==========================================================================
   TESTIMONIALS / VOLUNTEER CARDS
   ========================================================================== */
.testimonial-card {
  background: #ffffff;
  border-radius: var(--nj-radius);
  padding: 30px;
  border: 1px solid var(--nj-border);
  box-shadow: var(--nj-shadow-sm);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.testimonial-card .quote-icon {
  font-size: 2rem;
  color: var(--nj-primary-light);
  line-height: 1;
  margin-bottom: 12px;
}

.testimonial-text {
  font-size: 0.96rem;
  color: var(--nj-dark-sub);
  font-style: italic;
  flex-grow: 1;
  margin-bottom: 20px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--nj-primary-light);
  color: var(--nj-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background: var(--nj-dark);
  color: #94a3b8;
  padding: 70px 0 0 0;
  font-size: 0.94rem;
}

.site-footer h4 {
  color: #ffffff;
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 22px;
  position: relative;
  padding-bottom: 10px;
}

.site-footer h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 36px;
  height: 3px;
  background: var(--nj-secondary);
  border-radius: 2px;
}

.site-footer a {
  color: #94a3b8;
}

.site-footer a:hover {
  color: #ffffff;
  transform: translateX(4px);
  display: inline-block;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links li a {
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-bottom {
  margin-top: 50px;
  padding: 24px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.88rem;
}

/* ==========================================================================
   FLOATING ACTION BUTTONS (WHATSAPP & SCROLL TOP)
   ========================================================================== */
.floating-whatsapp {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 56px;
  height: 56px;
  background: #25d366;
  color: #fff !important;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
  z-index: 1000;
  transition: var(--nj-transition);
}

.floating-whatsapp:hover {
  transform: scale(1.1) rotate(6deg);
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.5);
  color: #fff !important;
}

.btn-back-to-top {
  position: fixed;
  bottom: 96px;
  right: 36px;
  width: 44px;
  height: 44px;
  background: var(--nj-dark);
  color: #fff !important;
  border-radius: 50%;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  box-shadow: var(--nj-shadow-md);
  z-index: 999;
  border: 1px solid rgba(255, 255, 255, 0.15);
  transition: var(--nj-transition);
}

.btn-back-to-top:hover {
  background: var(--nj-primary);
  transform: translateY(-3px);
}

/* ==========================================================================
   RESPONSIVENESS
   ========================================================================== */
@media (max-width: 991.98px) {
  .hero-slide {
    height: auto;
    min-height: 500px;
    padding: 80px 0;
  }
  
  .hero-title {
    font-size: 2.35rem;
  }
  
  .impact-bar-wrap {
    margin-top: 0;
    padding-top: 30px;
  }
  
  .about-card-image img {
    height: 350px;
  }
}

@media (max-width: 767.98px) {
  .hero-title {
    font-size: 1.95rem;
  }
  
  .section-title {
    font-size: 1.85rem;
  }
  
  .topbar .contact-info span:not(:first-child) {
    display: none;
  }
  
  .floating-whatsapp {
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    font-size: 26px;
  }
  
  .btn-back-to-top {
    bottom: 80px;
    right: 23px;
    width: 40px;
    height: 40px;
  }
}