/* ==========================================================================
   Fort Knox Waste - Mobile-First Stylesheet
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties (Design Tokens)
   -------------------------------------------------------------------------- */
:root {
  /* Colors */
  --color-primary: #28373e;      /* Dark slate */
  --color-primary-dark: #1a252a;
  --color-primary-light: #3d5159;
  --color-secondary: #93f0cd;    /* Mint green */
  --color-secondary-dark: #6dddb3;
  --color-accent: #a1fdff;       /* Light cyan */
  
  --color-white: #ffffff;
  --color-off-white: #f8f9fa;
  --color-gray-100: #e9ecef;
  --color-gray-200: #dee2e6;
  --color-gray-300: #ced4da;
  --color-gray-600: #6c757d;
  --color-gray-800: #343a40;
  --color-gray-900: #212529;
  
  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  --font-size-base: 1rem;
  --font-size-sm: 0.875rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3rem;
  
  --line-height-tight: 1.2;
  --line-height-base: 1.6;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  
  /* Borders & Shadows */
  --border-radius: 8px;
  --border-radius-lg: 12px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
}

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

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

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: red !important;
  background-color: var(--color-white);
}

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

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

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

ul {
  list-style: none;
}

/* --------------------------------------------------------------------------
   Container
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  padding-left: var(--space-md);
  padding-right: var(--space-md);
  margin-left: auto;
  margin-right: auto;
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xs) var(--space-xl);
  font-size: var(--font-size-base);
  font-weight: 600;
  text-align: center;
  border: 2px solid transparent;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition-base);
  min-height: 44px; /* Touch-friendly */
  min-width: 44px;
}

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

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

.btn-secondary {
  background-color: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
  padding: 0.375rem 2.5rem !important;
}

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

.btn-nav {
  background-color: #4a766b;
  border: 1px solid rgb(147, 240, 205);
  color: rgb(147, 240, 205) !important;
  padding: 0.475rem 1rem !important;
}

.btn-large {
  padding: var(--space-md) var(--space-xl);
  font-size: var(--font-size-lg);
}

/* --------------------------------------------------------------------------
   Header & Navigation
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: var(--color-primary);
  z-index: 1000;
  box-shadow: var(--shadow-md);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md);
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-white);
  font-weight: 700;
  font-size: var(--font-size-lg);
}

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

.logo-img {
  height: 90px;
  width: auto;
}

.logo-text {
  font-size: var(--font-size-lg);
  font-weight: 700;
  letter-spacing: 0.5px;
}

/* Mobile Navigation Toggle */
.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
}

.hamburger,
.hamburger::before,
.hamburger::after {
  display: block;
  width: 24px;
  height: 3px;
  background-color: var(--color-white);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.hamburger {
  position: relative;
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  left: 0;
}

.hamburger::before {
  top: -8px;
}

.hamburger::after {
  bottom: -8px;
}

/* Mobile Menu */
.nav-menu {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--color-primary-dark);
  padding: var(--space-lg);
  display: none;
  flex-direction: column;
  gap: var(--space-md);
  box-shadow: var(--shadow-lg);
}

.nav-menu.is-open {
  display: flex;
}

.nav-menu a {
  color: var(--color-white);
  font-weight: 500;
  padding: var(--space-sm) 0;
  display: block;
}

.nav-menu a:hover {
  color: var(--color-secondary);
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
  background: linear-gradient(135deg, rgba(40, 55, 62, 0.85) 0%, rgba(26, 37, 42, 0.85) 100%), 
              url('/assets/images/hero-image.png') center/cover no-repeat;
  background-attachment: fixed;
  background-position: center center;
  color: var(--color-white);
  padding: calc(var(--space-4xl) + 60px) var(--space-md) var(--space-4xl);
  text-align: center;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

@media screen and (max-width: 768px) {
  .hero {
    background-attachment: scroll;
    background-size: cover;
  }
}

.hero-content {
  max-width: 800px;
}

.hero h1 {
  font-size: var(--font-size-3xl);
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-lg);
  font-weight: 800;
}

.hero .highlight {
  color: var(--color-accent);
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  opacity: 0.9;
  margin-bottom: var(--space-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  align-items: center;
}

/* --------------------------------------------------------------------------
   Section Styles
   -------------------------------------------------------------------------- */
.section-title {
  font-size: var(--font-size-2xl);
  color: var(--color-primary);
  text-align: center;
  margin-bottom: var(--space-sm);
}

.section-subtitle {
  text-align: center;
  color: var(--color-gray-600);
  margin-bottom: var(--space-2xl);
}

/* --------------------------------------------------------------------------
   Services Section
   -------------------------------------------------------------------------- */
.services {
  padding: var(--space-3xl) 0;
  background-color: var(--color-off-white);
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.service-card {
  background-color: var(--color-white);
  padding: var(--space-xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
}

.service-icon {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-md);
  color: var(--color-secondary);
}

.service-icon i {
  font-size: 3rem;
}

.service-card h3 {
  font-size: var(--font-size-xl);
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.service-card p {
  color: var(--color-gray-600);
  font-size: var(--font-size-sm);
}

/* --------------------------------------------------------------------------
   About Section
   -------------------------------------------------------------------------- */
.about {
  padding: var(--space-3xl) 0;
}

.about-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
}

.about-text h2 {
  font-size: var(--font-size-2xl);
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.about-text p {
  color: var(--color-gray-600);
  margin-bottom: var(--space-lg);
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.about-features li {
  font-weight: 500;
  color: var(--color-gray-800);
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  text-align: center;
}

.stat {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-lg);
  border-radius: var(--border-radius);
}

.stat-number {
  display: block;
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--color-accent);
}

.stat-label {
  font-size: var(--font-size-sm);
  opacity: 0.9;
}

/* --------------------------------------------------------------------------
   CTA Banner
   -------------------------------------------------------------------------- */
.cta-banner {
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-dark) 100%);
  padding: var(--space-3xl) var(--space-md);
  text-align: center;
}

.cta-banner h2 {
  font-size: var(--font-size-2xl);
  color: var(--color-gray-900);
  margin-bottom: var(--space-sm);
}

.cta-banner p {
  color: var(--color-gray-800);
  margin-bottom: var(--space-lg);
}

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

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

/* --------------------------------------------------------------------------
   Contact Section
   -------------------------------------------------------------------------- */
.contact {
  padding: var(--space-3xl) 0;
  background-color: var(--color-off-white);
}

.contact-wrapper {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
}

.contact-form {
  background-color: var(--color-white);
  padding: var(--space-xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--color-gray-800);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--space-md);
  font-size: var(--font-size-base);
  font-family: inherit;
  border: 2px solid var(--color-gray-200);
  border-radius: var(--border-radius);
  transition: border-color var(--transition-fast);
  min-height: 44px; /* Touch-friendly */
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.contact-info {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.info-card {
  background-color: var(--color-white);
  padding: var(--space-lg);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
}

.info-card h4 {
  font-size: var(--font-size-base);
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.info-card h4 i {
  color: var(--color-secondary);
  margin-right: var(--space-xs);
}

.info-card p {
  color: var(--color-gray-600);
  font-size: var(--font-size-sm);
}

.info-card a {
  color: var(--color-gray-600);
}

.info-card a:hover {
  color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
  padding: var(--space-3xl) var(--space-md) var(--space-lg);
}

.footer-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  max-width: 1200px;
  margin: 0 auto;
}

.footer-logo-img {
  height: 80px;
  width: auto;
  margin-bottom: var(--space-sm);
}

.footer-logo-text {
  display: block;
  font-size: var(--font-size-xl);
  font-weight: 700;
  letter-spacing: 0.5px;
  margin-bottom: var(--space-sm);
}

.footer-tagline {
  margin-top: var(--space-sm);
  opacity: 0.8;
}

.footer-links h4,
.footer-contact h4 {
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

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

.footer-links a,
.footer-contact a {
  color: var(--color-white);
  opacity: 0.8;
}

.footer-links a:hover,
.footer-contact a:hover {
  opacity: 1;
  color: var(--color-accent);
}

.footer-contact p {
  margin-bottom: var(--space-sm);
}

.footer-contact i {
  color: var(--color-secondary);
  margin-right: var(--space-xs);
}

.footer-bottom {
  margin-top: var(--space-2xl);
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  opacity: 0.7;
  font-size: var(--font-size-sm);
}

/* ==========================================================================
   Tablet Breakpoint (600px+)
   ========================================================================== */
@media screen and (min-width: 600px) {
  .container {
    padding-left: var(--space-xl);
    padding-right: var(--space-xl);
  }
  
  /* Hero */
  .hero h1 {
    font-size: var(--font-size-4xl);
  }
  
  .hero-cta {
    flex-direction: row;
    justify-content: center;
  }
  
  /* Services */
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  /* About */
  /* About */
  .about-stats {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .stat-number {
    font-size: var(--font-size-3xl);
  }
  
  /* Section titles */
  .section-title {
    font-size: var(--font-size-3xl);
  }
  
  /* CTA Banner */
  .cta-banner h2 {
    font-size: var(--font-size-3xl);
  }
  
  /* Footer */
  .footer-container {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-between;
  }
  
  .footer-brand {
    flex: 1 1 100%;
  }
}

/* ==========================================================================
   Desktop Breakpoint (1024px+)
   ========================================================================== */
@media screen and (min-width: 1024px) {
  .container {
    max-width: 1200px;
    padding-left: var(--space-2xl);
    padding-right: var(--space-2xl);
  }
  
  /* Navigation */
  .nav-toggle {
    display: none;
  }
  
  .nav-menu {
    position: static;
    display: flex;
    flex-direction: row;
    background: transparent;
    padding: 0;
    box-shadow: none;
    gap: var(--space-xl);
    align-items: center;
  }
  
  /* Hero */
  .hero {
    padding-top: var(--space-4xl);
  }
  
  .hero h1 {
    font-size: var(--font-size-5xl);
  }
  
  .hero-subtitle {
    font-size: var(--font-size-xl);
  }
  
  /* Services */
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  /* About */
  .about-content {
    flex-direction: row;
    align-items: center;
  }
  
  .about-text {
    flex: 1;
  }
  
  .about-text h2 {
    font-size: var(--font-size-3xl);
  }
  
  .about-stats {
    flex: 0 0 300px;
    grid-template-columns: 1fr;
  }
  
  .stat {
    padding: var(--space-xl);
  }
  
  .stat-number {
    font-size: var(--font-size-4xl);
  }
  
  /* Contact */
  .contact-wrapper {
    flex-direction: row;
    align-items: flex-start;
  }
  
  .contact-form {
    flex: 1;
  }
  
  .contact-info {
    flex: 0 0 280px;
    grid-template-columns: 1fr;
  }
  
  /* Footer */
  .footer-brand {
    flex: 1 1 auto;
  }
}

/* ==========================================================================
   Large Desktop (1280px+)
   ========================================================================== */
@media screen and (min-width: 1280px) {
  .hero h1 {
    font-size: 3.5rem;
  }
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Focus styles for accessibility */
:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}