/* ========================================
   ASTITVA NGO WEBSITE - MAIN STYLESHEET
   ======================================== */

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

:root {
  --primary-color: #C85A3A;
  --secondary-color: #E8944A;
  --dark-color: #2D3436;
  --light-color: #F5F1E8;
  --text-color: #6B5D52;
  --green-primary: #6B8E6B;
  --green-dark: #2D5016;
  --white: #FFFFFF;
  --gray-light: #F3F4F6;
  --gray-medium: #E5E7EB;
  --gray-dark: #374151;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--dark-color);
  background-color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ========================================
   TYPOGRAPHY
   ======================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 {
  font-size: 3.5rem;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 2.5rem;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.875rem;
}

h4 {
  font-size: 1.5rem;
}

p {
  margin-bottom: 1rem;
  color: var(--text-color);
}

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

a:hover {
  color: var(--secondary-color);
}

/* ========================================
   CONTAINER & LAYOUT
   ======================================== */

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 640px) {
  .container {
    padding: 0 1.5rem;
  }
}

@media (min-width: 1024px) {
  .container {
    padding: 0 2rem;
  }
}

.section {
  padding: 6rem 0;
}

@media (max-width: 768px) {
  .section {
    padding: 4rem 0;
  }
  
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 2rem;
  }
}

/* ========================================
   NAVIGATION
   ======================================== */

nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: white;
  box-shadow: none;
  border-bottom: 1px solid var(--gray-medium);
  transition: var(--transition);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  transition: var(--transition);
}

.logo:hover {
  transform: scale(1.05);
}

.logo-text h1 {
  font-size: 1.5rem;
  margin: 0;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo-text p {
  font-size: 0.75rem;
  color: var(--text-color);
  font-weight: 600;
  margin: 0;
}

.nav-links {
  display: none;
  gap: 0.5rem;
  align-items: center;
}

@media (min-width: 1024px) {
  .nav-links {
    display: flex;
  }
}

.nav-links a {
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  font-weight: 600;
  transition: var(--transition);
  color: var(--dark-color);
}

.nav-links a:hover,
.nav-links a.active {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: var(--white);
  box-shadow: var(--shadow-lg);
}

/* Dropdown Menu Styles */
.nav-dropdown {
  position: relative;
  display: inline-block;
}

.nav-dropdown > a {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--white);
  border-radius: 0.5rem;
  box-shadow: var(--shadow-xl);
  min-width: 200px;
  margin-top: 0.5rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: var(--transition);
  z-index: 1000;
  border: 1px solid var(--gray-medium);
}

.nav-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu a {
  display: block;
  padding: 0.75rem 1rem;
  color: var(--dark-color);
  font-weight: 500;
  font-size: 0.95rem;
  border-bottom: 1px solid var(--gray-light);
  transition: var(--transition);
}

.dropdown-menu a:last-child {
  border-bottom: none;
}

.dropdown-menu a:hover {
  background: var(--gray-light);
  color: var(--primary-color);
  padding-left: 1.25rem;
}

.dropdown-arrow {
  font-size: 0.75rem;
  transition: var(--transition);
}

.nav-dropdown:hover .dropdown-arrow {
  transform: rotate(180deg);
}

.donate-btn {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: var(--white);
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 600;
  display: none;
  align-items: center;
  gap: 0.5rem;
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
}

.donate-btn:hover {
  box-shadow: var(--shadow-xl);
  transform: scale(1.05);
}

@media (min-width: 1024px) {
  .donate-btn {
    display: flex;
  }
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.5rem;
  color: var(--dark-color);
}

@media (max-width: 1023px) {
  .mobile-menu-btn {
    display: block;
  }
}

.mobile-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--white);
  border-bottom: 1px solid var(--gray-medium);
  padding: 1rem;
  box-shadow: var(--shadow-lg);
  z-index: 99;
}

.mobile-menu.active {
  display: block;
}

.mobile-menu a {
  display: block;
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  transition: var(--transition);
  margin-bottom: 0.5rem;
  color: var(--dark-color);
  font-weight: 600;
}

.mobile-menu a:hover,
.mobile-menu a.active {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: var(--white);
}

/* ========================================
   IMAGE SLIDER
   ======================================== */

.slider-section {
  position: relative;
  width: 100%;
  height: 600px;
  overflow: hidden;
  background: #000;
}

.slider-wrapper {
  display: flex;
  width: 100%;
  height: 100%;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.slider-slide {
  min-width: 100%;
  height: 100%;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: white;
  background-size: cover;
  background-position: center;
}

.slider-slide::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 1;
}

.slider-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding: 2rem;
}

.slider-content h1 {
  font-size: 4rem;
  margin-bottom: 1.5rem;
  color: white;
  text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.slider-content p {
  font-size: 1.25rem;
  margin-bottom: 2.5rem;
  color: rgba(255, 255, 255, 0.9);
}

.slider-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

.slider-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.2);
  border: none;
  color: white;
  font-size: 1.5rem;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  cursor: pointer;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  backdrop-filter: blur(5px);
}

.slider-btn:hover {
  background: rgba(255, 255, 255, 0.4);
  transform: translateY(-50%) scale(1.1);
}

.slider-prev {
  left: 2rem;
}

.slider-next {
  right: 2rem;
}

.slider-dots {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.75rem;
  z-index: 10;
}

.slider-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  cursor: pointer;
  transition: var(--transition);
}

.slider-dot.active {
  background: white;
  width: 30px;
  border-radius: 5px;
}

@media (max-width: 768px) {
  .slider-section {
    height: 450px;
  }
  
  .slider-content h1 {
    font-size: 2.5rem;
  }
  
  .slider-content p {
    font-size: 1rem;
  }
  
  .slider-btn {
    width: 2.5rem;
    height: 2.5rem;
    font-size: 1rem;
  }
  
  .slider-prev { left: 1rem; }
  .slider-next { right: 1rem; }
}

/* ========================================
   IMPACT STATISTICS
   ======================================== */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
}

.stat-card {
  background: white;
  padding: 2.5rem;
  border-radius: 1rem;
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  border: 1px solid var(--gray-medium);
}

.stat-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.stat-number {
  font-size: 3rem;
  font-weight: 800;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.stat-label {
  font-weight: 700;
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
  color: var(--dark-color);
}

.stat-description {
  font-size: 0.875rem;
  color: var(--text-color);
}

/* ========================================
   PROGRAMS
   ======================================== */

.programs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.program-card {
  background: white;
  padding: 2.5rem;
  border-radius: 1rem;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  border: 1px solid var(--gray-medium);
}

.program-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.program-icon {
  font-size: 3rem;
  margin-bottom: 1.5rem;
}

.program-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.card-link {
  display: inline-block;
  margin-top: 1rem;
  font-weight: 600;
  color: var(--primary-color);
}

/* ========================================
   FOOTER
   ======================================== */

footer {
  background: #1A1A1A;
  color: white;
  padding: 5rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-section h3 {
  color: white;
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
}

.footer-section p {
  color: rgba(255, 255, 255, 0.7);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
}

.footer-links a:hover {
  color: var(--secondary-color);
}

.social-icons {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
}

.social-icon {
  width: 2.5rem;
  height: 2.5rem;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.footer-divider {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-copyright {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.5);
}

.footer-legal {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.footer-legal a {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.5);
}

/* ========================================
   UTILITIES & ANIMATIONS
   ======================================== */

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease-out;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.floating-buttons {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.floating-btn {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
  position: relative;
}

.floating-btn:hover {
  transform: scale(1.1);
}

.whatsapp-btn { background: #25D366; }
.call-btn { background: var(--primary-color); }

.floating-label {
  position: absolute;
  right: 4.5rem;
  background: rgba(0,0,0,0.8);
  color: white;
  padding: 0.4rem 0.8rem;
  border-radius: 0.4rem;
  font-size: 0.8rem;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}

.floating-btn:hover .floating-label {
  opacity: 1;
}