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

/* CSS Reset & Variables */
:root {
  /* Common Design Tokens */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.2s ease;
  --border-radius-sm: 8px;
  --border-radius-md: 16px;
  --border-radius-lg: 24px;
  --border-radius-full: 9999px;
  --shadow-premium: 0 20px 40px rgba(0, 0, 0, 0.3);
  
  /* Autolin Motors Theme (Obsidian & Brand Crimson Red) */
  --m-bg: #0A0A0B;
  --m-surface: #131316;
  --m-surface-border: rgba(227, 6, 19, 0.1);
  --m-surface-hover: #1B1B20;
  --m-primary: #E30613; /* Brand Crimson Red */
  --m-primary-hover: #FF1E27;
  --m-text: #FFFFFF;
  --m-text-muted: #8E8E93;
  --m-accent: #A1000A;
  --m-glow: rgba(227, 6, 19, 0.15);

  /* Autolin Prestige Theme (Crimson Red, Jet Black & Stark White) */
  --p-bg: #000000;
  --p-surface: #0E0E10;
  --p-surface-border: rgba(227, 6, 19, 0.15);
  --p-surface-hover: #18181C;
  --p-primary: #E30613; /* Crimson Streetwear Red */
  --p-primary-hover: #FF1E27;
  --p-text: #FFFFFF;
  --p-text-muted: #A3A3A8;
  --p-accent: #FFFFFF;
  --p-glow: rgba(227, 6, 19, 0.3);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

body {
  font-family: var(--font-body);
  background-color: var(--m-bg);
  color: var(--m-text);
  overflow-x: hidden;
  line-height: 1.6;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #000000;
}
::-webkit-scrollbar-thumb {
  background: #333333;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--m-primary);
}

/* Typography Utilities */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

p {
  color: var(--m-text-muted);
}

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

/* Common Layout Utilities */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

.flex { display: flex; }
.grid { display: grid; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }

/* Premium Navigation Styling */
header.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(10, 10, 11, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: var(--transition-smooth);
}

header.site-header.scrolled {
  background: rgba(10, 10, 11, 0.95);
  padding: 0.8rem 0;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

/* Logo Design */
.logo-wrapper {
  display: flex;
  align-items: center;
  background: #FFFFFF;
  padding: 0.25rem 0.6rem;
  border-radius: var(--border-radius-sm);
  height: 32px;
  transition: var(--transition-smooth);
}

.logo-wrapper:hover {
  opacity: 0.95;
  transform: translateY(-1px);
}

.brand-logo-img {
  height: 18px;
  display: block;
}

/* Navigation Links */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--m-text-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  position: relative;
  padding: 0.5rem 0;
}

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

.nav-link:hover, .nav-link.active {
  color: var(--m-text);
}

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

/* Header Buttons */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.btn-prestige-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.2rem;
  border-radius: var(--border-radius-full);
  background: linear-gradient(135deg, var(--p-primary) 0%, #a1000a 100%);
  color: #fff;
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 15px rgba(227, 6, 19, 0.2);
  transition: var(--transition-smooth);
}

.btn-prestige-toggle:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(227, 6, 19, 0.4);
  background: linear-gradient(135deg, #ff1e27 0%, var(--p-primary) 100%);
}

.btn-prestige-toggle svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

/* Mobile Menu Toggle */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--m-text);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2rem;
  border-radius: var(--border-radius-md);
  font-family: var(--font-heading);
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  cursor: pointer;
  transition: var(--transition-smooth);
  font-size: 0.9rem;
}

.btn-primary {
  background: var(--m-primary);
  color: #0A0A0B;
  border: 1px solid var(--m-primary);
}

.btn-primary:hover {
  background: var(--m-primary-hover);
  border-color: var(--m-primary-hover);
  transform: translateY(-3px);
  box-shadow: 0 10px 20px var(--m-glow);
}

.btn-secondary {
  background: transparent;
  color: var(--m-text);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

/* Footer Styling */
footer.site-footer {
  background: #050506;
  border-top: 1px solid rgba(255, 255, 255, 0.03);
  padding: 5rem 0 2rem;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-brand p {
  margin-top: 1rem;
  font-size: 0.95rem;
  max-width: 320px;
}

.footer-title {
  font-size: 1.1rem;
  color: #fff;
  margin-bottom: 1.5rem;
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.footer-links a {
  color: var(--m-text-muted);
  font-size: 0.95rem;
}

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

.footer-contact-info {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  font-size: 0.95rem;
  color: var(--m-text-muted);
}

.footer-contact-item {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}

.footer-contact-item svg {
  width: 18px;
  height: 18px;
  color: var(--m-primary);
  flex-shrink: 0;
  margin-top: 0.15rem;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.85rem;
  color: var(--m-text-muted);
}

.footer-socials {
  display: flex;
  gap: 1rem;
}

.social-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.03);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--m-text-muted);
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: var(--transition-fast);
}

.social-icon:hover {
  background: var(--m-primary);
  color: #000;
  transform: translateY(-3px);
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes glowPulse {
  0% { box-shadow: 0 0 5px var(--m-glow); }
  50% { box-shadow: 0 0 20px var(--m-glow); }
  100% { box-shadow: 0 0 5px var(--m-glow); }
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
}

@media (max-width: 768px) {
  html {
    font-size: 15px;
  }
  
  .container {
    padding: 0 1.5rem;
  }
  
  .nav-menu {
    display: none; /* Mobile logic handled in js */
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
  }
}