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

:root {
  /* Colors */
  --color-green: #0B7A3B;
  --color-saffron: #FF7A00;
  --color-white: #FFFFFF;
  --color-navy: #163A70;
  
  --color-bg: #F4F7F6;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-border: #E0E0E0;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-hover: 0 15px 25px rgba(0, 0, 0, 0.15);
  
  /* Radii */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
}

/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

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

ul {
  list-style: none;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-navy);
  font-weight: 700;
  line-height: 1.2;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; margin-bottom: 1rem; }
h3 { font-size: 1.5rem; margin-bottom: 0.75rem; }

.section-title {
  text-align: center;
  margin-bottom: 3rem;
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background-color: var(--color-saffron);
  border-radius: var(--radius-sm);
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-light);
  max-width: 600px;
  margin: 0 auto 3rem auto;
}

/* Layout */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

section {
  padding: 5rem 0;
}

/* Header & Nav */
header {
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-top: 4px solid var(--color-saffron);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-icon {
  font-size: 2rem;
  color: var(--color-green);
}

.logo-text h1 {
  font-size: 1.25rem;
  margin: 0;
  color: var(--color-navy);
}

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

.nav-menu {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-link {
  color: var(--color-text);
  font-weight: 500;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -4px;
  left: 0;
  background-color: var(--color-green);
  transition: width var(--transition-normal);
}

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

.nav-link.active {
  color: var(--color-green);
}

.hamburger {
  display: none;
  cursor: pointer;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--color-navy);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: none;
  gap: 0.5rem;
  position: relative;
  overflow: hidden;
}

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

.btn-primary:hover {
  background-color: #09612f;
  color: var(--color-white);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: var(--color-saffron);
  color: var(--color-white);
}

.btn-secondary:hover {
  background-color: #e66e00;
  color: var(--color-white);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-navy);
  border: 2px solid var(--color-navy);
}

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

/* Cards */
.card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  border-bottom: 3px solid transparent;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-bottom-color: var(--color-saffron);
}

/* Footer */
footer {
  background-color: var(--color-navy);
  color: var(--color-white);
  padding: 4rem 0 1rem 0;
  border-top: 4px solid var(--color-green);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-col h3 {
  color: var(--color-white);
  margin-bottom: 1.5rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-col h3::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 40px;
  height: 2px;
  background-color: var(--color-saffron);
}

.footer-col p {
  color: #d1d5db;
  margin-bottom: 1rem;
}

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

.footer-links a {
  color: #d1d5db;
}

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

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

.social-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: var(--color-white);
  transition: var(--transition-fast);
}

.social-icon:hover {
  background-color: var(--color-saffron);
  transform: translateY(-3px);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: #9ca3af;
  font-size: 0.875rem;
}

/* Hero Section */
.hero {
  background: linear-gradient(rgba(22, 58, 112, 0.8), rgba(22, 58, 112, 0.9)), url('https://images.unsplash.com/photo-1532375810709-75b1da00537c?q=80&w=2076&auto=format&fit=crop') center/cover;
  color: var(--color-white);
  padding: 8rem 0;
  text-align: center;
}

.hero h1 {
  color: var(--color-white);
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
}

.hero p {
  font-size: 1.25rem;
  max-width: 700px;
  margin: 0 auto 2.5rem auto;
  color: #e5e7eb;
}

.hero-btns {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

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

/* Responsive */
@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    flex-direction: column;
    background-color: var(--color-white);
    width: 100%;
    text-align: center;
    padding: 2rem 0;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-md);
  }

  .nav-menu.active {
    left: 0;
  }

  .hamburger {
    display: block;
  }

  .hero h1 {
    font-size: 2.5rem;
  }
}

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

/* Back to top */
#backToTop {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 50px;
  height: 50px;
  background-color: var(--color-saffron);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-normal);
  z-index: 999;
}

#backToTop.show {
  opacity: 1;
  visibility: visible;
}

#backToTop:hover {
  background-color: #e66e00;
  transform: translateY(-5px);
}

/* Floating WhatsApp */
.floating-whatsapp {
  position: fixed;
  bottom: 80px;
  right: 20px;
  width: 50px;
  height: 50px;
  background-color: #25D366;
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  box-shadow: var(--shadow-md);
  z-index: 999;
  transition: var(--transition-normal);
}

.floating-whatsapp:hover {
  background-color: #128C7E;
  transform: translateY(-5px);
}

/* Miscellaneous utilities */
.text-center { text-align: center; }
.text-primary { color: var(--color-green); }
.text-saffron { color: var(--color-saffron); }
.bg-light { background-color: var(--color-white); }
.bg-gray { background-color: var(--color-bg); }
.mt-2 { margin-top: 1rem; }
.mt-4 { margin-top: 2rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 2rem; }

/* Service Card specific */
.service-icon {
  font-size: 3rem;
  color: var(--color-saffron);
  margin-bottom: 1rem;
}