/* Base Styles */
:root {
  /* Color System */
  --color-primary: #134e4a;
  --color-primary-light: #115e59;
  --color-primary-dark: #0f3d39;
  
  --color-secondary: #eab308;
  --color-secondary-light: #facc15;
  --color-secondary-dark: #ca8a04;
  
  --color-accent: #f97316;
  
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  
  --color-neutral-50: #fafafa;
  --color-neutral-100: #f5f5f5;
  --color-neutral-200: #e5e5e5;
  --color-neutral-300: #d4d4d4;
  --color-neutral-400: #a3a3a3;
  --color-neutral-500: #737373;
  --color-neutral-600: #525252;
  --color-neutral-700: #404040;
  --color-neutral-800: #262626;
  --color-neutral-900: #171717;
  
  /* Typography */
  --font-heading: 'Playfair Display', serif;
  --font-body: 'Raleway', sans-serif;
  
  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  --spacing-3xl: 64px;
  --spacing-4xl: 96px;
  
  /* Border Radius */
  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 8px;
  --radius-xl: 16px;
  --radius-round: 9999px;
  
  /* Box 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-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 500ms ease;
  
  /* Container Width */
  --container-max-width: 1280px;
}

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

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

body {
  font-family: var(--font-body);
  line-height: 1.5;
  color: var(--color-neutral-800);
  background-color: var(--color-neutral-50);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  font-weight: 700;
  color: var(--color-neutral-900);
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.25rem;
}

p {
  margin-bottom: var(--spacing-md);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-light);
}

.text-link {
  font-weight: 600;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
}

.text-link:hover {
  border-color: transparent;
}

.arrow {
  display: inline-block;
  transition: transform var(--transition-fast);
}

.text-link:hover .arrow {
  transform: translateX(4px);
}

ul, ol {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-xl);
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-family: var(--font-body);
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  border: none;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  line-height: 1.5;
}

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

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

.btn-secondary {
  background-color: var(--color-secondary);
  color: var(--color-neutral-900);
}

.btn-secondary:hover {
  background-color: var(--color-secondary-light);
  color: var(--color-neutral-900);
}

.btn-outline {
  background-color: transparent;
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
}

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

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-sm);
  z-index: 100;
  padding: var(--spacing-md) 0;
  transition: background-color var(--transition-normal);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
}

.logo a {
  color: var(--color-primary);
  text-decoration: none;
}

.main-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-list li {
  margin-left: var(--spacing-lg);
}

.nav-list a {
  color: var(--color-neutral-800);
  text-decoration: none;
  font-weight: 600;
  padding: var(--spacing-xs) 0;
  position: relative;
}

.nav-list a:hover {
  color: var(--color-primary);
}

.nav-list a.active {
  color: var(--color-primary);
}

.nav-list a.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-primary);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  margin: 5px 0;
  background-color: var(--color-neutral-800);
  transition: all var(--transition-fast);
}

/* Footer */
.site-footer {
  background-color: var(--color-neutral-800);
  color: var(--color-neutral-200);
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-brand .footer-logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.footer-brand .footer-logo a {
  color: var(--color-neutral-50);
  text-decoration: none;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--color-neutral-400);
}

.footer-nav h3,
.footer-legal h3,
.footer-contact h3 {
  font-size: 1rem;
  color: var(--color-neutral-50);
  margin-bottom: var(--spacing-md);
}

.footer-nav ul,
.footer-legal ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-nav li,
.footer-legal li {
  margin-bottom: var(--spacing-sm);
}

.footer-nav a,
.footer-legal a {
  color: var(--color-neutral-400);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-nav a:hover,
.footer-legal a:hover {
  color: var(--color-neutral-50);
}

.footer-contact p {
  margin-bottom: var(--spacing-md);
  font-size: 0.9rem;
}

.footer-contact a {
  color: var(--color-neutral-300);
}

.footer-contact a:hover {
  color: var(--color-neutral-50);
}

.social-links {
  display: flex;
  gap: var(--spacing-md);
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-round);
  background-color: var(--color-neutral-700);
  color: var(--color-neutral-200);
  transition: all var(--transition-fast);
}

.social-links a:hover {
  background-color: var(--color-primary);
  color: white;
}

.footer-bottom {
  border-top: 1px solid var(--color-neutral-700);
  padding-top: var(--spacing-lg);
  text-align: center;
  font-size: 0.9rem;
  color: var(--color-neutral-500);
}

/* Form Styles */
.form-group {
  margin-bottom: var(--spacing-md);
}

label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
select,
textarea {
  width: 100%;
  padding: var(--spacing-sm);
  border: 1px solid var(--color-neutral-300);
  border-radius: var(--radius-md);
  background-color: white;
  font-family: var(--font-body);
  transition: border-color var(--transition-fast);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
input[type="number"]:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(19, 78, 74, 0.1);
}

.form-checkbox {
  display: flex;
  align-items: center;
  margin-bottom: var(--spacing-md);
}

.form-checkbox input[type="checkbox"] {
  margin-right: var(--spacing-sm);
}

.form-checkbox label {
  margin-bottom: 0;
  font-weight: 400;
  font-size: 0.9rem;
}

.hidden {
  display: none;
}

/* Utilities */
.section-title {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  position: relative;
  padding-bottom: var(--spacing-sm);
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background-color: var(--color-primary);
}

.subtitle {
  font-size: 1.25rem;
  color: var(--color-neutral-600);
  font-weight: 300;
  margin-bottom: var(--spacing-lg);
}

/* Responsive */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.75rem;
  }
  
  .menu-toggle {
    display: block;
  }
  
  .nav-list {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    flex-direction: column;
    background-color: white;
    box-shadow: var(--shadow-md);
    padding: var(--spacing-lg);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 99;
  }
  
  .nav-list.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .nav-list li {
    margin: var(--spacing-sm) 0;
  }
  
  .nav-list a {
    display: block;
    padding: var(--spacing-sm) 0;
  }
}

@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .btn {
    display: block;
    width: 100%;
  }
}