/* Base Styles */
:root {
  /* Color System */
  --color-primary: #1e3a8a;
  --color-primary-light: #2563eb;
  --color-primary-dark: #1e3a5f;
  
  --color-secondary: #c8a456;
  --color-secondary-light: #e6c878;
  --color-secondary-dark: #a78a45;
  
  --color-accent: #b91c1c;
  --color-accent-light: #ef4444;
  --color-accent-dark: #7f1d1d;
  
  --color-dark: #111827;
  --color-gray-900: #1f2937;
  --color-gray-800: #374151;
  --color-gray-700: #4b5563;
  --color-gray-600: #6b7280;
  --color-gray-500: #9ca3af;
  --color-gray-400: #d1d5db;
  --color-gray-300: #e5e7eb;
  --color-gray-200: #f3f4f6;
  --color-gray-100: #f9fafb;
  --color-white: #ffffff;
  
  /* Typography */
  --font-heading: 'Playfair Display', serif;
  --font-body: 'Poppins', sans-serif;
  
  /* Spacing - using 8px system */
  --space-1: 0.25rem;  /* 4px */
  --space-2: 0.5rem;   /* 8px */
  --space-3: 0.75rem;  /* 12px */
  --space-4: 1rem;     /* 16px */
  --space-5: 1.25rem;  /* 20px */
  --space-6: 1.5rem;   /* 24px */
  --space-8: 2rem;     /* 32px */
  --space-10: 2.5rem;  /* 40px */
  --space-12: 3rem;    /* 48px */
  --space-16: 4rem;    /* 64px */
  --space-20: 5rem;    /* 80px */
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --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-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Border Radius */
  --radius-sm: 0.125rem;
  --radius: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;
  --radius-3xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-base: all 0.2s ease-in-out;
  --transition-slow: all 0.3s ease-in-out;
  --transition-slower: all 0.5s ease-in-out;
}

/* Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.5;
  color: var(--color-gray-800);
  background-color: var(--color-gray-100);
}

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

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

ul, ol {
  list-style: none;
}

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  background: none;
  border: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-dark);
  margin-bottom: var(--space-4);
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.5rem;
}

p {
  margin-bottom: var(--space-4);
}

/* Layout */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

section {
  padding: var(--space-16) 0;
}

.section-intro {
  font-size: 1.125rem;
  color: var(--color-gray-600);
  max-width: 800px;
  margin: 0 auto var(--space-8);
  text-align: center;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius);
  font-weight: 500;
  text-align: center;
  transition: var(--transition-base);
}

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

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

.btn-secondary {
  background-color: var(--color-secondary);
  color: var(--color-dark);
  border: 2px solid var(--color-secondary);
}

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

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

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

/* Forms */
.form-group {
  margin-bottom: var(--space-4);
}

.form-row {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

label {
  display: block;
  margin-bottom: var(--space-2);
  font-weight: 500;
  color: var(--color-gray-700);
}

input, select, textarea {
  width: 100%;
  padding: var(--space-3);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius);
  background-color: var(--color-white);
  transition: var(--transition-base);
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Header */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: var(--transition-base);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-4) 0;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-white);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-links {
  display: flex;
  gap: var(--space-6);
}

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

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

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

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-white);
  transition: var(--transition-slow);
}

/* Header scroll state */
.header-scrolled {
  background-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

/* Footer */
footer {
  background-color: var(--color-dark);
  color: var(--color-gray-300);
  padding: var(--space-12) 0 var(--space-4);
}

.footer-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-8);
}

.footer-info {
  max-width: 300px;
}

.footer-logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.footer-nav h3 {
  color: var(--color-white);
  font-size: 1.25rem;
  margin-bottom: var(--space-4);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-link {
  color: var(--color-gray-400);
  transition: var(--transition-base);
}

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

.footer-bottom {
  margin-top: var(--space-12);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-gray-800);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  color: var(--color-gray-500);
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 400px;
  height: 100vh;
  background-color: var(--color-primary);
  padding: var(--space-16) var(--space-6) var(--space-6);
  transition: var(--transition-slow);
  z-index: 1000;
}

.mobile-menu.open {
  right: 0;
}

.mobile-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.mobile-link {
  color: var(--color-white);
  font-size: 1.25rem;
  font-weight: 500;
}

.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-base);
  z-index: 999;
}

.overlay.open {
  opacity: 1;
  visibility: visible;
}

/* Media Queries */
@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.75rem;
  }
  
  section {
    padding: var(--space-12) 0;
  }
  
  .nav-links {
    display: none;
  }
  
  .hamburger {
    display: flex;
  }
  
  .form-row {
    flex-direction: column;
    gap: var(--space-2);
  }
}

@media (max-width: 576px) {
  h1 {
    font-size: 1.75rem;
  }
  
  h2 {
    font-size: 1.5rem;
  }
  
  .btn {
    width: 100%;
  }
}