:root {
  --primary-green: #10b981;
  --secondary-blue: #0ea5e9;
  --bg-white: #ffffff;
  --bg-light: #f8fafc;
  --text-dark: #0f172a;
  --text-muted: #64748b;
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(255, 255, 255, 0.3);
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulseGradient {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
  100% { transform: translateY(0px); }
}

.fade-in {
  animation: fadeIn 1s ease-out forwards;
  opacity: 0;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }

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

h1 { font-size: 3.5rem; letter-spacing: -0.02em; }
h2 { font-size: 2.5rem; color: var(--text-dark); margin-bottom: 2rem; text-align: center; }
h3 { font-size: 1.5rem; margin-bottom: 1rem; color: var(--text-dark); }
p { color: var(--text-muted); }

/* Navigation */
header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
  transition: var(--transition);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.2rem 2rem;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary-green);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--primary-green), var(--secondary-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-dark);
  font-weight: 500;
  transition: var(--transition);
}

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

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 8rem 2rem 4rem;
  background: radial-gradient(circle at top right, rgba(14, 165, 233, 0.1), transparent 40%),
              radial-gradient(circle at bottom left, rgba(16, 185, 129, 0.1), transparent 40%);
}

.hero-content {
  max-width: 800px;
  z-index: 1;
}

.hero h1 {
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--primary-green), var(--secondary-blue));
  background-size: 200% 200%;
  animation: pulseGradient 5s ease infinite;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 3rem;
}

.btn {
  display: inline-block;
  padding: 1rem 2.5rem;
  border-radius: 50px;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  font-size: 1rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-green), var(--secondary-blue));
  color: white;
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(16, 185, 129, 0.4);
}

.btn-secondary {
  background: white;
  color: var(--text-dark);
  border: 1px solid #e2e8f0;
  margin-left: 1rem;
}

.btn-secondary:hover {
  border-color: var(--secondary-blue);
  color: var(--secondary-blue);
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 6rem 2rem;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.feature-card {
  background: var(--bg-white);
  padding: 2.5rem;
  border-radius: 24px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid rgba(0,0,0,0.03);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.05), rgba(14, 165, 233, 0.05));
  z-index: -1;
  opacity: 0;
  transition: var(--transition);
}

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

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  width: 60px;
  height: 60px;
  background: var(--bg-light);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--primary-green);
  font-size: 1.5rem;
  transition: var(--transition);
}

.feature-card:hover .feature-icon {
  background: var(--primary-green);
  color: white;
  transform: scale(1.1);
}

/* Section Backgounds */
.bg-light { background-color: var(--bg-light); }

/* About Us & Services Content Layout */
.content-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.image-placeholder {
  width: 100%;
  height: 400px;
  background: linear-gradient(135deg, #e0f2fe, #d1fae5);
  border-radius: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  animation: float 6s ease-in-out infinite;
  box-shadow: var(--shadow-md);
}

.image-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 30px;
}

/* Testimonials */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.testimonial-card {
  background: var(--bg-white);
  padding: 2rem;
  border-radius: 20px;
  box-shadow: var(--shadow-md);
  position: relative;
}

.quote-icon {
  position: absolute;
  top: -15px;
  left: 20px;
  background: var(--secondary-blue);
  color: white;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.author {
  margin-top: 1.5rem;
  font-weight: 700;
  color: var(--text-dark);
}

/* Contact Section Grid */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-info {
  padding-right: 2rem;
}

.contact-info h3 { font-size: 2rem; margin-bottom: 2rem; }

.info-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 2rem;
  gap: 1.5rem;
}

.info-icon {
  background: var(--bg-light);
  width: 50px;
  height: 50px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-green);
  font-size: 1.2rem;
  flex-shrink: 0;
}

/* Forms */
form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

label {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-dark);
}

input, textarea {
  padding: 1rem;
  border: 1px solid #cbd5e1;
  border-radius: 12px;
  font-family: inherit;
  font-size: 1rem;
  background: var(--bg-light);
  transition: var(--transition);
}

input:focus, textarea:focus {
  outline: none;
  border-color: var(--secondary-blue);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
  background: var(--bg-white);
}

.alert {
  padding: 1rem;
  border-radius: 8px;
  font-size: 0.9rem;
  margin-top: 1rem;
  display: none;
}

.alert.success { background: #d1fae5; color: #065f46; display: block; border: 1px solid #34d399; }
.alert.error { background: #fee2e2; color: #991b1b; display: block; border: 1px solid #f87171; }

.loader {
    border: 3px solid #f3f3f3; /* Light grey */
    border-top: 3px solid white; /* Blue */
    border-radius: 50%;
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
    display: none;
    margin-left: 10px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}


/* Footer / Subscribe */
footer {
  background: var(--text-dark);
  color: white;
  padding: 4rem 2rem 2rem;
}

.footer-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-col h4 {
  color: white;
  margin-bottom: 1.5rem;
  font-size: 1.2rem;
}

.footer-col p {
  color: #94a3b8;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.footer-links a {
  color: #94a3b8;
  text-decoration: none;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--primary-green);
  padding-left: 5px;
}

.subscribe-form {
  display: flex;
  margin-top: 1rem;
  flex-direction: column;
  gap: 0.5rem;
}

.subscribe-form .input-group {
    display: flex;
}

.subscribe-form input {
  padding: 0.8rem 1rem;
  border: none;
  border-radius: 8px 0 0 8px;
  flex: 1;
}

.subscribe-form button {
  padding: 0.8rem 1.5rem;
  background: var(--primary-green);
  color: white;
  border: none;
  border-radius: 0 8px 8px 0;
  cursor: pointer;
  font-weight: 600;
  transition: var(--transition);
}

.subscribe-form button:hover {
  background: #059669;
}

.subscribe-alert {
  font-size: 0.85rem;
  margin-top: 0.5rem;
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  text-align: center;
  color: #94a3b8;
  font-size: 0.9rem;
}

/* Page Standardizing */
.page-header {
  padding: 8rem 2rem 4rem;
  background: var(--bg-light);
  text-align: center;
}

.document-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 4rem 2rem;
}

.document-content h2 {
  font-size: 2rem;
  margin-top: 2rem;
  margin-bottom: 1rem;
  color: var(--text-dark);
  text-align: left;
}

.document-content p, .document-content ul {
  margin-bottom: 1.5rem;
}

.document-content ul {
  padding-left: 2rem;
  color: var(--text-muted);
}

.document-content li {
  margin-bottom: 0.5rem;
}

/* Responsive */
@media (max-width: 900px) {
  .content-layout, .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .hero h1 { font-size: 2.5rem; }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .nav-links {
    display: none; /* In a real app we'd add a hamburger menu */
  }
}

@media (max-width: 600px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .btn-secondary {
    margin-left: 0;
    margin-top: 1rem;
  }
}