/* ===== GLOBAL STYLES ===== */
:root {
  /* Colors */
  --primary: #0A84FF;
  --primary-dark: #0071E3;
  --secondary: #34C759;
  --accent: #FF9500;
  --text: #1D1D1F;
  --text-light: #86868B;
  --bg: #FFFFFF;
  --bg-light: #F5F5F7;
  --border: #D2D2D7;
  
  /* Spacing */
  --space-xs: 0.5rem;   /* 8px */
  --space-sm: 1rem;     /* 16px */
  --space-md: 1.5rem;   /* 24px */
  --space-lg: 2rem;     /* 32px */
  --space-xl: 3rem;     /* 48px */
  
  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  
  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-sans);
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
}

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

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--primary-dark);
  text-decoration: none;
}

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

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
  line-height: 1;
}

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

.btn--primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  padding: 1rem 0;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text);
}

.logo img {
  height: 36px;
  width: auto;
}

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

.nav-link {
  color: var(--text);
  font-weight: 500;
  padding: 0.5rem 0;
  position: relative;
}

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

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

.phone-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-light);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  font-weight: 500;
  color: var(--text);
  transition: all 0.2s ease;
}

.phone-link:hover {
  background: var(--border);
  color: var(--text);
  transform: translateY(-1px);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text);
  cursor: pointer;
  padding: 0.5rem;
}

/* Responsive */
@media (max-width: 992px) {
  .mobile-menu-toggle {
    display: block;
  }
  
  .nav-menu {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: var(--bg);
    flex-direction: column;
    padding: 1rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    transform: translateY(-150%);
    transition: transform 0.3s ease-in-out;
    z-index: 999;
  }
  
  .nav-menu.active {
    transform: translateY(0);
  }
  
  .nav-link {
    padding: 0.75rem 0;
    display: block;
  }
  
  .phone-link {
    margin-top: 1rem;
    justify-content: center;
  }
}

/* Utility Classes */
.text-center { text-align: center; }
.mt-1 { margin-top: var(--space-sm); }
.mb-1 { margin-bottom: var(--space-sm); }
.mt-2 { margin-top: var(--space-md); }
.mb-2 { margin-bottom: var(--space-md); }
.pt-1 { padding-top: var(--space-sm); }
.pb-1 { padding-bottom: var(--space-sm); }