/* Premium Design System for Apostille Express BD */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Outfit:wght@400;600;800&display=swap');

:root {
  /* Colors derived from the logo */
  --color-primary-green: #1a9f49;
  --color-primary-green-dark: #127534;
  --color-primary-green-light: #e8f5ec;
  
  --color-primary-red: #e62b25;
  --color-primary-red-dark: #b8221d;
  --color-primary-red-light: #fceae9;
  
  --color-dark: #111827;
  --color-gray: #4b5563;
  --color-light-gray: #f3f4f6;
  --color-white: #ffffff;
  
  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 8rem;
  
  /* Border Radius */
  --br-sm: 0.375rem;
  --br-md: 0.5rem;
  --br-lg: 1rem;
  --br-xl: 2rem;
  --br-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-glow-green: 0 4px 14px 0 rgba(26, 159, 73, 0.39);
  --shadow-glow-red: 0 4px 14px 0 rgba(230, 43, 37, 0.39);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--color-gray);
  line-height: 1.6;
  background-color: var(--color-white);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-dark);
  font-weight: 700;
  line-height: 1.2;
}

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
}

ul {
  list-style: none;
}

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

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

/* Section Utilities */
.section {
  padding: var(--spacing-lg) 0;
}

.section-bg-light {
  background-color: var(--color-light-gray);
}

.section-title {
  text-align: center;
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: var(--spacing-md);
  position: relative;
  display: inline-block;
  left: 50%;
  transform: translateX(-50%);
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary-green), var(--color-primary-red));
  border-radius: var(--br-full);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  border-radius: var(--br-md);
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  font-family: var(--font-body);
}

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

.btn-primary:hover {
  background-color: var(--color-primary-green-dark);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: var(--color-primary-red);
  color: var(--color-white);
  box-shadow: var(--shadow-glow-red);
}

.btn-secondary:hover {
  background-color: var(--color-primary-red-dark);
  transform: translateY(-2px);
}

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

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

/* Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid var(--color-light-gray);
  transition: padding 0.3s ease;
}

.header.scrolled {
  padding: 5px 0;
  box-shadow: var(--shadow-sm);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo img {
  height: 50px;
}

.nav-links {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary-red);
  transition: width 0.3s ease;
}

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

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

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

/* Hero Section */
.hero {
  padding-top: 120px;
  padding-bottom: var(--spacing-lg);
  background: linear-gradient(135deg, var(--color-primary-green-light) 0%, rgba(255,255,255,1) 50%, var(--color-primary-red-light) 100%);
  min-height: 80vh;
  display: flex;
  align-items: center;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: center;
}

.hero-text h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: var(--spacing-sm);
}

.hero-text h1 span {
  background: linear-gradient(90deg, var(--color-primary-green), var(--color-primary-red));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-text p {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-md);
}

.hero-actions {
  display: flex;
  gap: var(--spacing-sm);
}

.hero-image {
  position: relative;
  border-radius: var(--br-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.hero-image img {
  width: 100%;
  height: auto;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.hero-image:hover img {
  transform: scale(1.05);
}

/* Services Section */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.service-card {
  background: var(--color-white);
  padding: var(--spacing-md);
  border-radius: var(--br-lg);
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
  border-top: 4px solid var(--color-primary-green);
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
  border-top-color: var(--color-primary-red);
}

.service-icon {
  font-size: 2.5rem;
  color: var(--color-primary-green);
  margin-bottom: var(--spacing-sm);
}

.service-card h3 {
  margin-bottom: var(--spacing-sm);
}

/* Document Types Section */
.docs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

.doc-category {
  background: var(--color-white);
  border-radius: var(--br-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  position: relative;
  z-index: 1;
}

.doc-category::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--color-primary-green), var(--color-primary-red));
  opacity: 0;
  z-index: -1;
  transition: opacity 0.3s ease;
}

.doc-category:hover::before {
  opacity: 1;
}

.doc-category:hover {
  color: var(--color-white);
}

.doc-category:hover h3,
.doc-category:hover li {
  color: var(--color-white);
}

.doc-category-header {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--color-light-gray);
  background-color: var(--color-light-gray);
  text-align: center;
  transition: all 0.3s ease;
}

.doc-category:hover .doc-category-header {
  background-color: transparent;
  border-color: rgba(255,255,255,0.2);
}

.doc-list {
  padding: var(--spacing-md);
}

.doc-list li {
  margin-bottom: var(--spacing-xs);
  display: flex;
  align-items: center;
  gap: 10px;
}

.doc-list li i {
  color: var(--color-primary-red);
}

.doc-category:hover .doc-list li i {
  color: var(--color-white);
}

/* Page Headers for inner pages */
.page-header {
  padding-top: 150px;
  padding-bottom: 80px;
  background: linear-gradient(135deg, var(--color-primary-green-dark) 0%, var(--color-primary-green) 100%);
  color: var(--color-white);
  text-align: center;
}

.page-header h1 {
  color: var(--color-white);
  margin-bottom: var(--spacing-xs);
}

.page-header p {
  font-size: 1.125rem;
  opacity: 0.9;
}

/* About Section */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: center;
}

/* Stats */
.stats-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
  text-align: center;
}

.stat-item {
  padding: var(--spacing-md);
  background: var(--color-white);
  border-radius: var(--br-lg);
  box-shadow: var(--shadow-md);
}

.stat-number {
  font-size: 3rem;
  font-weight: 800;
  font-family: var(--font-heading);
  color: var(--color-primary-red);
  margin-bottom: var(--spacing-xs);
}

/* Footer */
.footer {
  background-color: var(--color-dark);
  color: var(--color-light-gray);
  padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-col h4 {
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
  font-size: 1.25rem;
}

.footer-logo img {
  height: 60px;
  margin-bottom: var(--spacing-sm);
  background: white;
  padding: 10px;
  border-radius: 8px;
}

.footer-links li {
  margin-bottom: var(--spacing-xs);
}

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

.footer-contact li {
  display: flex;
  gap: 10px;
  margin-bottom: var(--spacing-sm);
}

.footer-contact i {
  color: var(--color-primary-red);
  font-size: 1.25rem;
  margin-top: 3px;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 992px) {
  .hero-content, .about-content {
    grid-template-columns: 1fr;
  }
  
  .hero-image {
    order: -1;
  }
  
  .docs-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .mobile-menu-btn {
    display: block;
  }
  
  .nav-links {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background-color: var(--color-white);
    flex-direction: column;
    padding: var(--spacing-lg) var(--spacing-md);
    transition: left 0.3s ease;
    overflow-y: auto;
  }
  
  .nav-links.active {
    left: 0;
  }
  
  .docs-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .hero-text h1 {
    font-size: 2.5rem;
  }
}