/* Hridoya Bangladesh Custom Theme - Bangladeshi Flag Colors */
:root {
  --primary-red: #E11837;        /* Bangladesh flag red */
  --primary-green: #006A4E;      /* Bangladesh flag green */
  --primary-beige: #F8F5F0;      /* Soft beige background */
  --accent-red: #C41E3A;         /* Darker red for accents */
  --accent-green: #004D3A;       /* Darker green for accents */
  --text-dark: #2c3e50;
  --text-light: #6c757d;
  --white: #ffffff;
  --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 5px 25px rgba(0, 0, 0, 0.15);
}

body {
  font-family: 'Poppins', sans-serif;
  background-color: var(--primary-beige);
  color: var(--text-dark);
  line-height: 1.6;
}

/* Navigation */
.navbar {
  background-color: var(--primary-green) !important;
  box-shadow: var(--shadow);
}

.navbar-brand {
  font-weight: 700;
  font-size: 1.5rem;
}

.nav-link {
  font-weight: 500;
  transition: color 0.3s ease;
}

.nav-link:hover {
  color: var(--primary-red) !important;
}

/* Cards */
.card {
  border: none;
  border-radius: 15px;
  box-shadow: var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  background: var(--white);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.card-header {
  background-color: var(--primary-green);
  color: var(--white);
  border-radius: 15px 15px 0 0 !important;
  border: none;
  font-weight: 600;
}

/* Buttons */
.btn {
  border-radius: 50px;
  font-weight: 600;
  padding: 0.75rem 2rem;
  transition: all 0.3s ease;
  border: none;
}

.btn-primary {
  background-color: var(--primary-red);
  color: var(--white);
}

.btn-primary:hover {
  background-color: var(--accent-red);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

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

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

.btn-green {
  background-color: var(--primary-green);
  color: var(--white);
}

.btn-navy:hover {
  background-color: #004080;
  color: var(--white);
}

/* Hero Section */
.hero-section {
  background: linear-gradient(135deg, rgba(0, 106, 78, 0.95) 0%, rgba(0, 77, 58, 0.95) 100%),
              url('https://images.unsplash.com/photo-1509062522246-3755977927d7?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center/cover;
  color: var(--white);
  padding: 10rem 0 8rem;
  position: relative;
  overflow: hidden;
  background-attachment: fixed;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at center, transparent 0%, rgba(0, 106, 78, 0.3) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
  font-size: 1.3rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

/* Glass buttons for CTAs */
.glass-btn {
  background: linear-gradient(135deg, rgba(225, 24, 55, 0.95), rgba(196, 30, 58, 0.95));
  backdrop-filter: blur(15px);
  border: 2px solid rgba(255, 255, 255, 0.3);
  color: var(--white);
  padding: 1.5rem 3.5rem;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1.2rem;
  text-decoration: none;
  display: inline-block;
  transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  margin: 0 0.5rem;
  box-shadow: 0 10px 30px rgba(225, 24, 55, 0.4);
  text-transform: uppercase;
  letter-spacing: 1px;
  position: relative;
  overflow: hidden;
}

.glass-btn:hover {
  background: rgba(255, 255, 255, 0.95);
  border-color: var(--primary-red);
  color: var(--primary-red);
  text-decoration: none;
  transform: translateY(-5px);
  box-shadow: 0 12px 30px rgba(225, 24, 55, 0.4);
}

/* Impact Cards */
.impact-card {
  background: linear-gradient(135deg, var(--white) 0%, #f8f9fa 100%);
  border-radius: 20px;
  padding: 3rem 2rem;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0, 51, 102, 0.15);
  transition: all 0.4s ease;
  border: 3px solid transparent;
  position: relative;
  overflow: hidden;
}

.impact-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: linear-gradient(90deg, var(--primary-red), var(--accent-red));
}

.impact-card:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: 0 15px 40px rgba(225, 24, 55, 0.25);
  border-color: var(--primary-red);
}

.impact-number {
  font-size: 4rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary-red), var(--accent-red));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
  margin-bottom: 1rem;
  line-height: 1;
}

.impact-label {
  color: var(--primary-green);
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

/* Team Cards */
.team-card {
  text-align: center;
  padding: 2rem;
  border-radius: 15px;
  background: var(--white);
  box-shadow: var(--shadow);
  transition: transform 0.3s ease;
}

.team-card:hover {
  transform: translateY(-5px);
}

.team-photo {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: var(--primary-beige);
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--text-light);
  border: 3px solid var(--accent-coral);
}

.team-name {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--primary-navy);
}

.team-role {
  color: var(--accent-coral);
  font-weight: 500;
  margin-bottom: 1rem;
}

/* Form Styling */
.form-control {
  border-radius: 10px;
  border: 2px solid #e9ecef;
  padding: 0.75rem 1rem;
  transition: border-color 0.3s ease;
}

.form-control:focus {
  border-color: var(--accent-coral);
  box-shadow: 0 0 0 0.2rem rgba(255, 107, 53, 0.25);
}

.form-floating label {
  padding: 1rem;
}

/* Progress Bar */
.progress {
  height: 8px;
  border-radius: 10px;
  background-color: #e9ecef;
}

.progress-bar {
  background: linear-gradient(90deg, var(--accent-coral), #e55a2b);
  border-radius: 10px;
}

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Utilities */
.text-navy {
  color: var(--primary-navy);
}

.text-coral {
  color: var(--accent-coral);
}

.bg-navy {
  background-color: var(--primary-navy);
}

.bg-beige {
  background-color: var(--primary-beige);
}

.shadow-custom {
  box-shadow: var(--shadow);
}

.shadow-lg-custom {
  box-shadow: var(--shadow-lg);
}

/* Logo Styling */
.navbar-brand img {
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
  image-rendering: pixelated;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
  transition: transform 0.3s ease;
}

.navbar-brand img:hover {
  transform: scale(1.05);
}

/* Color utility classes */
.text-red {
  color: var(--primary-red) !important;
}

.text-green {
  color: var(--primary-green) !important;
}

.bg-red {
  background-color: var(--primary-red) !important;
}

.bg-green {
  background-color: var(--primary-green) !important;
}

/* Premium Animations */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

@keyframes shimmer {
  0% { background-position: -200px 0; }
  100% { background-position: calc(200px + 100%) 0; }
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-10px);
  }
  60% {
    transform: translateY(-5px);
  }
}

/* Enhanced Card Hover Effects */
.card {
  transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  border-color: var(--primary-green);
}

/* Enhanced Button Effects */
.btn {
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.btn:hover::before {
  left: 100%;
}

/* Glass Morphism Effects */
.glass-effect {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

/* Gradient Text Effects */
.gradient-text {
  background: linear-gradient(135deg, var(--primary-green), var(--primary-red));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Enhanced Accordion Styling */
.accordion-button {
  transition: all 0.3s ease;
}

.accordion-button:not(.collapsed) {
  background: linear-gradient(135deg, var(--primary-green), var(--accent-green));
  color: white;
  box-shadow: 0 4px 15px rgba(0, 106, 78, 0.3);
}

.accordion-button:focus {
  box-shadow: 0 0 0 0.25rem rgba(0, 106, 78, 0.25);
}

/* Premium Loading Animation */
.loading-shimmer {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200px 100%;
  animation: shimmer 1.5s infinite;
}

/* Enhanced Form Styling */
.form-control {
  transition: all 0.3s ease;
  border: 2px solid rgba(0, 0, 0, 0.1);
}

.form-control:focus {
  border-color: var(--primary-green);
  box-shadow: 0 0 0 0.2rem rgba(0, 106, 78, 0.25);
  transform: translateY(-2px);
}

/* Premium Navigation Effects */
.navbar-nav .nav-link {
  position: relative;
  transition: all 0.3s ease;
}

.navbar-nav .nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--primary-red);
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

.navbar-nav .nav-link:hover::after {
  width: 100%;
}

/* Enhanced Impact Cards */
.impact-card {
  position: relative;
  overflow: hidden;
}

.impact-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.impact-card:hover::after {
  left: 100%;
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.1rem;
  }

  .glass-btn {
    display: block;
    margin: 0.5rem 0;
    text-align: center;
  }
  
  .navbar-brand img {
    height: 40px !important;
  }
  
  .navbar-brand span {
    font-size: 1.2rem !important;
  }
}

/* Sticky Donate Button */
.donate-btn {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 1000;
  border-radius: 50px;
  padding: 1rem 2rem;
  font-weight: 600;
  font-size: 1.1rem;
  border: none;
  box-shadow: 0 4px 20px rgba(255, 107, 53, 0.3);
  transition: all 0.3s ease;
}

.donate-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 25px rgba(255, 107, 53, 0.4);
}

/* Accordion Styling */
.accordion-button {
  background-color: var(--primary-beige);
  color: var(--primary-navy);
  font-weight: 600;
  border: none;
  border-radius: 10px !important;
  padding: 1.5rem;
}

.accordion-button:not(.collapsed) {
  background-color: var(--accent-coral);
  color: var(--white);
  box-shadow: var(--shadow);
}

.accordion-button:focus {
  box-shadow: 0 0 0 0.2rem rgba(255, 107, 53, 0.25);
  border: none;
}

.accordion-body {
  background-color: var(--white);
  border-radius: 0 0 10px 10px;
  padding: 2rem;
}

/* Student Profile Cards */
.student-card {
  background: var(--white);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  margin-bottom: 2rem;
}

.student-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.student-photo {
  width: 100%;
  height: 250px;
  background: var(--primary-beige);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  color: var(--text-light);
  border-bottom: 3px solid var(--accent-coral);
}

.student-info {
  padding: 2rem;
}

.student-name {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--primary-navy);
  margin-bottom: 0.5rem;
}

.student-details {
  color: var(--text-light);
  margin-bottom: 1rem;
}

.student-story {
  background: var(--primary-beige);
  padding: 1.5rem;
  border-radius: 10px;
  border-left: 4px solid var(--accent-coral);
}