@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Raleway:wght@700;800;900&display=swap');

/* ============================================
   DESIGN SYSTEM - ESTES AUTOS LTD
   Matte Black & Orange Theme
   ============================================ */

:root {
  /* Brand Colors - Dark Blue-Gray & Bright Blue (from business card) */
  --color-black: #000000;
  --color-matte-black: #0a0a0a;
  --color-dark-gray: #3D4F5C; /* Primary dark blue-gray from business card */
  --color-medium-gray: #4A5F6D;
  
  /* Legacy Orange Vars (aliased to blue accent for this site theme) */
  --color-orange-primary: var(--color-blue-primary);
  --color-orange-secondary: var(--color-blue-secondary);
  
  /* Blue Accent Palette (from MTA Assured blue) */
  --color-blue-primary: #00A8E8;
  --color-blue-secondary: #0095D9;
  --color-blue-dark: #007AB8;
  --color-blue-light: #33BAED;
  
  /* Text Colors */
  --color-white: #ffffff;
  --color-text-muted: #A0ADB8;
  --color-text-light: #D4DCE3;
  
  /* Functional Colors */
  --color-border: rgba(255, 255, 255, 0.1);
  --color-border-hover: rgba(0, 168, 232, 0.3);
  --color-overlay: rgba(0, 0, 0, 0.75);
  --color-overlay-heavy: rgba(0, 0, 0, 0.85);
  
  /* Spacing System */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-blue: 0 4px 20px rgba(0, 168, 232, 0.3);
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */

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

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background-color: var(--color-black);
  color: var(--color-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: 'Raleway', sans-serif;
  font-weight: 800;
  line-height: 1.2;
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2.5rem);
}

h4 {
  font-size: clamp(1.25rem, 2.5vw, 2rem);
}

h5 {
  font-size: clamp(1.125rem, 2vw, 1.5rem);
}

h6 {
  font-size: 1.125rem;
}

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

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

a:hover {
  color: var(--color-orange-secondary);
}

/* ============================================
   LAYOUT UTILITIES
   ============================================ */

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

@media (min-width: 768px) {
  .container {
    padding: 0 var(--spacing-lg);
  }
}

@media (min-width: 1024px) {
  .container {
    padding: 0 var(--spacing-xl);
  }
}

.section {
  padding: var(--spacing-3xl) 0;
}

@media (max-width: 768px) {
  .section {
    padding: var(--spacing-2xl) 0;
  }
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: 1rem 2rem;
  font-family: 'Raleway', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  white-space: nowrap;
}

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

.btn-primary:hover {
  background: var(--color-blue-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(0, 168, 232, 0.4);
}

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

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

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

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

.btn-lg {
  padding: 1.25rem 2.5rem;
  font-size: 1.125rem;
}

/* ============================================
   CARDS
   ============================================ */

.card {
  background: var(--color-dark-gray);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: all var(--transition-normal);
}

.card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 168, 232, 0.1);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
}

.card-icon svg {
  width: 32px;
  height: 32px;
  stroke: var(--color-blue-primary);
}

.card-title {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
}

.card-description {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ============================================
   HEADER / NAVIGATION
   ============================================ */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  transition: all var(--transition-normal);
}

.header.scrolled {
  background: rgba(0, 0, 0, 0.98);
  box-shadow: var(--shadow-md);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) 0;
}

.logo {
  font-family: 'Raleway', sans-serif;
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--color-white);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.logo-image {
  height: 30px;
  width: auto;
  display: block;
}

.logo-accent {
  color: var(--color-blue-primary);
}

.nav-links {
  display: flex;
  gap: var(--spacing-lg);
  list-style: none;
}

.nav-link {
  color: var(--color-text-light);
  font-weight: 500;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: color var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-blue-primary);
}

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

@media (max-width: 768px) {
  .nav {
    padding: var(--spacing-xs) 0;
  }

  .logo {
    font-size: 1.35rem;
    flex-wrap: wrap;
    line-height: 1.1;
  }

  .logo-image {
    height: 26px;
  }

  .nav-links {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-matte-black);
    padding: var(--spacing-lg);
    gap: var(--spacing-md);
    transform: translateX(-100%);
    transition: transform var(--transition-normal);
    border-bottom: 1px solid var(--color-border);
  }
  
  .nav-links.active {
    transform: translateX(0);
  }
  
  .mobile-menu-toggle {
    display: block;
  }
}

@media (max-width: 480px) {
  .logo {
    gap: var(--spacing-xs);
    font-size: 1.2rem;
  }

  .logo span {
    display: inline;
  }

  .hero-cta {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-cta .btn {
    width: 100%;
  }
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-top: 80px;
}

.hero-background {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-background img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.7) 50%, rgba(0, 0, 0, 0.85) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  padding: var(--spacing-2xl) var(--spacing-md);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-md);
  background: rgba(0, 168, 232, 0.1);
  border: 1px solid rgba(0, 168, 232, 0.3);
  border-radius: 50px;
  font-size: 0.875rem;
  color: var(--color-blue-secondary);
  margin-bottom: var(--spacing-lg);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.hero-title {
  margin-bottom: var(--spacing-md);
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  color: var(--color-blue-primary);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.hero-description {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-text-light);
  margin-bottom: var(--spacing-xl);
  line-height: 1.8;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================
   GRID LAYOUTS
   ============================================ */

.grid {
  display: grid;
  gap: var(--spacing-lg);
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* ============================================
   SECTIONS
   ============================================ */

.section-dark {
  background: var(--color-black);
  position: relative;
}

.section-dark::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('subtle_automotive_pattern_1768008085662.png');
  background-size: 400px;
  opacity: 0.03;
  pointer-events: none;
}

.section-matte {
  background: var(--color-matte-black);
}

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

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.section-title {
  margin-bottom: var(--spacing-md);
}

.section-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-text-muted);
  max-width: 700px;
  margin: 0 auto;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
  background: var(--color-black);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-section h4 {
  color: var(--color-blue-primary);
  margin-bottom: var(--spacing-md);
  font-size: 1.125rem;
}

.footer-section p,
.footer-section a {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  display: block;
  margin-bottom: var(--spacing-xs);
}

.footer-section a:hover {
  color: var(--color-blue-primary);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.text-center {
  text-align: center;
}

.text-blue {
  color: var(--color-blue-primary);
}

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

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }