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

:root {
  /* Water / NGO Theme Colors */
  --primary-color: #0B85F5; /* Ocean Blue */
  --primary-light: #E6F2FF;
  --primary-dark: #075BB0;
  --secondary-color: #00B4D8; /* Cyan */
  
  --text-dark: #1F2937;
  --text-gray: #4B5563;
  --text-light: #9CA3AF;
  
  --bg-main: #FFFFFF;
  --bg-gray: #F9FAFB;
  --bg-dark: #0F172A;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(11, 133, 245, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(11, 133, 245, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  
  --border-radius: 8px;
  --transition: all 0.3s ease;
}

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

body {
  font-family: 'Inter', sans-serif;
  color: var(--text-dark);
  line-height: 1.6;
  background-color: var(--bg-main);
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 15px;
}

h1 { font-size: 3.5rem; letter-spacing: -1px; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.5rem; }
p { margin-bottom: 20px; color: var(--text-gray); }

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-color);
  color: white;
  padding: 12px 24px;
  border-radius: var(--border-radius);
  font-weight: 600;
  transition: var(--transition);
  border: 2px solid var(--primary-color);
}

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

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

.btn-primary.outline:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
}

/* Top Bar */
.top-bar {
  background: var(--bg-dark);
  color: white;
  padding: 8px 0;
  font-size: 0.85rem;
}
.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.top-bar-info span { margin-right: 20px; }
.top-bar-info i { color: var(--secondary-color); margin-right: 5px; }
.top-bar-social a {
  color: white;
  margin-left: 15px;
  opacity: 0.8;
  transition: var(--transition);
}
.top-bar-social a:hover { opacity: 1; color: var(--secondary-color); }

/* Navbar */
.navbar {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 15px 0;
  box-shadow: var(--shadow-sm);
}

.nav-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
}
.logo a {
  display: flex;
  align-items: center;
  gap: 8px;
}
.logo-img { height: 32px; }
.logo-wordmark {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-dark);
}
.logo-tagline {
  font-size: 1rem;
  color: var(--text-gray);
  font-weight: 500;
  margin-left: 12px;
  padding-left: 12px;
  border-left: 1px solid #D1D5DB;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 30px;
}
.nav-link {
  font-weight: 600;
  color: var(--text-gray);
  transition: var(--transition);
}
.nav-link:hover { color: var(--primary-color); }

.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
}
.hamburger span {
  display: block;
  width: 25px;
  height: 3px;
  background: var(--text-dark);
  border-radius: 2px;
}

/* Mobile Drawer */
.drawer-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.5);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 999;
}
.drawer-overlay.active { opacity: 1; visibility: visible; }
.nav-drawer {
  position: fixed;
  top: 0; right: -300px;
  width: 300px; height: 100vh;
  background: white;
  z-index: 1000;
  transition: var(--transition);
  padding: 30px;
  overflow-y: auto;
}
.nav-drawer.open { right: 0; }
.drawer-close {
  text-align: right;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-gray);
  margin-bottom: 20px;
}
.drawer-group { margin-bottom: 30px; }
.drawer-group h4 {
  font-size: 0.9rem;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: 15px;
}
.drawer-link {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  color: var(--text-dark);
  font-weight: 500;
  border-bottom: 1px solid var(--bg-gray);
}

/* Hero Section */
.hero-section {
  display: flex;
  min-height: calc(100vh - 120px);
  background: var(--bg-gray);
  overflow: hidden;
}
.hero-panel { flex: 1; display: flex; align-items: center; }
.hero-panel-left { padding: 5% 5% 5% 10%; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-light);
  color: var(--primary-dark);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 20px;
}
.hero-buttons {
  display: flex;
  gap: 15px;
  margin-top: 30px;
}

.hero-panel-right {
  position: relative;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-image-wrapper {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}
.water-graphic-circle {
  width: 400px;
  height: 400px;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  border: 2px solid rgba(255,255,255,0.2);
  position: relative;
}
.water-graphic-circle::before {
  content: '';
  position: absolute;
  width: 450px; height: 450px;
  border: 1px dashed rgba(255,255,255,0.3);
  border-radius: 50%;
  animation: spin 30s linear infinite;
}
.water-drop-icon {
  font-size: 150px;
  color: white;
  filter: drop-shadow(0 10px 20px rgba(0,0,0,0.2));
}

@keyframes spin { 100% { transform: rotate(360deg); } }

/* About Section */
.about-section {
  padding: 100px 0;
  background: white;
}
.about-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.section-pre-title {
  color: var(--secondary-color);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.9rem;
  display: block;
  margin-bottom: 10px;
}
.about-features { margin: 30px 0; }
.about-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 15px;
  font-weight: 500;
  color: var(--text-dark);
}
.about-features i { color: var(--primary-color); font-size: 1.2rem; }
.about-stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.stat-card {
  background: var(--bg-gray);
  padding: 30px;
  border-radius: var(--border-radius);
  border-left: 4px solid var(--primary-color);
}
.stat-card i {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 15px;
}

/* Process Section */
.process-section {
  padding: 100px 0;
  background: var(--bg-gray);
}
.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 60px;
}
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}
.process-step {
  background: white;
  padding: 40px 30px;
  border-radius: var(--border-radius);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.process-step:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}
.step-icon {
  width: 70px; height: 70px;
  background: var(--primary-light);
  color: var(--primary-color);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1.8rem;
  margin: 0 auto 20px;
}
.process-cta {
  text-align: center;
  margin-top: 50px;
}

/* Footer */
.footer {
  background: var(--bg-dark);
  color: white;
  padding: 60px 0 20px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 50px;
  margin-bottom: 40px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}
.footer-logo img { height: 40px; filter: brightness(0) invert(1); }
.footer-logo span { font-size: 1.5rem; font-weight: 800; }
.footer-brand p { color: #9CA3AF; max-width: 400px; }
.footer-links h4 { margin-bottom: 20px; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: #9CA3AF; transition: var(--transition); }
.footer-links a:hover { color: var(--secondary-color); }
.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.1);
  color: #6B7280;
  font-size: 0.9rem;
}

/* Provider Section */
.provider-section {
  padding: 100px 0;
  background: white;
}
.provider-wrapper {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}
.provider-content-text p {
  font-size: 1.1rem;
  margin-bottom: 20px;
}
.provider-features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  margin-top: 50px;
  text-align: left;
}
.p-feature {
  background: var(--bg-gray);
  padding: 30px;
  border-radius: var(--border-radius);
  border-top: 4px solid var(--secondary-color);
  transition: var(--transition);
}
.p-feature:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-sm);
}
.p-feature i {
  font-size: 2rem;
  color: var(--secondary-color);
  margin-bottom: 15px;
}
.p-feature h5 {
  font-size: 1.2rem;
  color: var(--text-dark);
  margin-bottom: 10px;
}
.p-feature p {
  font-size: 0.95rem;
  margin-bottom: 0;
}

/* CSR Text Styling */
.csr-text {
  color: var(--primary-color);
  font-weight: 800;
  font-size: 1em;
  margin-left: 4px;
}

/* Responsive UI/UX Enhancements */
@media (max-width: 1024px) {
  .hero-section { flex-direction: column; }
  .hero-panel-left { padding: 80px 5%; text-align: center; }
  .hero-panel-right { min-height: 400px; padding: 40px 5%; }
  .hero-badge { margin: 0 auto 20px; }
  .hero-buttons { justify-content: center; }
  h1 { font-size: 3rem; }
  .about-wrapper { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .about-section, .process-section, .provider-section { padding: 80px 0; }
}

@media (max-width: 768px) {
  .nav-menu { display: none; }
  .hamburger { display: flex; }
  .top-bar-info span:first-child { display: none; }
  h1 { font-size: 2.5rem; }
  .hero-buttons { flex-direction: column; gap: 15px; }
  .hero-buttons .btn-primary { width: 100%; text-align: center; justify-content: center; }
  .process-grid { grid-template-columns: 1fr; }
  .provider-features-grid { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; text-align: center; gap: 40px; }
  .footer-logo { justify-content: center; }
  .water-graphic-circle { width: 250px; height: 250px; margin: 0 auto; }
  .water-graphic-circle::before { width: 280px; height: 280px; }
  .water-drop-icon { font-size: 100px; }
  .logo-tagline { display: none; }
}

@media (max-width: 480px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.8rem; }
  .about-section, .process-section, .provider-section { padding: 50px 0; }
  .hero-panel-left { padding: 50px 5%; }
  .hero-badge { font-size: 0.8rem; }
  .logo-wordmark { font-size: 1.2rem; }
  .top-bar-info { width: 100%; text-align: center; }
  .top-bar-social { display: none; }
  .provider-content-text p { font-size: 1rem; }
}