/* =========================================
   CSS Reset & Variables
========================================= */
:root {
  /* Colors - Dark Steel/Charcoal with Amber/Orange Accents */
  --bg-main: #0E1012;
  --bg-darker: #08090A;
  --bg-card: #16191D;
  --bg-card-hover: #1D2126;
  
  --text-main: #E2E8F0;
  --text-muted: #94A3B8;
  --text-dark: #334155;
  
  --accent-orange: #F97316;
  --accent-orange-hover: #EA580C;
  --accent-amber: #F59E0B;
  --accent-amber-hover: #D97706;
  
  --border-light: rgba(255, 255, 255, 0.08);
  --glass-bg: rgba(22, 25, 29, 0.7);
  
  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Spacing */
  --section-pad: 6rem 0;
  --container-max: 1200px;
  
  /* Animations */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

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

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

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

ul {
  list-style: none;
}

/* =========================================
   Typography
========================================= */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: 1.2;
  font-weight: 700;
  margin-bottom: 1rem;
}

p {
  margin-bottom: 1rem;
  color: var(--text-muted);
}

.lead {
  font-size: 1.25rem;
  color: var(--text-main);
  margin-bottom: 1.5rem;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

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

/* =========================================
   Layout & Utilities
========================================= */
.container {
  width: 90%;
  max-width: var(--container-max);
  margin: 0 auto;
}

.section {
  padding: var(--section-pad);
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-heading);
  font-weight: 600;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
}

.btn-primary {
  background-color: var(--accent-orange);
  color: #fff;
}
.btn-primary:hover {
  background-color: var(--accent-orange-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(249, 115, 22, 0.3);
}

.btn-amber {
  background-color: var(--accent-amber);
  color: #111;
}
.btn-amber:hover {
  background-color: var(--accent-amber-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

.btn-outline {
  background-color: transparent;
  border-color: var(--text-main);
  color: var(--text-main);
}
.btn-outline:hover {
  background-color: var(--text-main);
  color: var(--bg-main);
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

.btn-full {
  width: 100%;
}

/* Badges */
.section-badge {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent-orange);
  margin-bottom: 1rem;
}
.section-badge-center {
  display: block;
  text-align: center;
}
.badge-amber {
  color: var(--accent-amber);
}

/* =========================================
   Header & Nav
========================================= */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-light);
  transition: var(--transition);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo a {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.5px;
}

.desktop-nav ul {
  display: flex;
  gap: 2rem;
}

.desktop-nav a {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-muted);
}
.desktop-nav a:hover {
  color: var(--accent-orange);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

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

.mobile-nav {
  position: fixed;
  top: 80px;
  left: 0;
  width: 100%;
  background-color: var(--bg-card);
  padding: 2rem;
  flex-direction: column;
  gap: 1.5rem;
  border-bottom: 1px solid var(--border-light);
  transform: translateY(-150%);
  transition: transform 0.4s ease;
  z-index: 999;
}
.mobile-nav.is-open {
  transform: translateY(0);
}
.mobile-nav ul {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  text-align: center;
}
.mobile-nav a {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-main);
}
.mobile-nav a:hover {
  color: var(--accent-orange);
}

/* =========================================
   Hero Section
========================================= */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: linear-gradient(to bottom, #111, #1a1a1a); /* Fallback */
  overflow: hidden;
  padding-top: 80px; /* Offset for header */
}

/* Fake a rich background with gradients */
.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(circle at 50% 30%, rgba(249, 115, 22, 0.1) 0%, rgba(14, 16, 18, 1) 70%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.hero-title {
  font-size: clamp(3rem, 5vw, 5rem);
  letter-spacing: -1px;
  margin-bottom: 1.5rem;
  color: #fff;
  line-height: 1.1;
  text-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.hero-subtitle {
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  color: var(--text-main);
  margin-bottom: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-muted);
}
.scroll-line {
  width: 2px;
  height: 40px;
  background-color: var(--border-light);
  position: relative;
  overflow: hidden;
}
.scroll-line::before {
  content: '';
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--accent-orange);
  animation: scrollDown 2s infinite ease-in-out;
}

@keyframes scrollDown {
  0% { top: -100%; }
  100% { top: 100%; }
}

/* =========================================
   Why Us Info Box
========================================= */
.why-us {
  padding: 4rem 0;
  background-color: var(--bg-card);
  border-bottom: 1px solid var(--border-light);
  position: relative;
  z-index: 5;
  margin-top: -2rem;
  border-radius: 24px 24px 0 0;
}
.why-us-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}
.feature-box {
  text-align: center;
  padding: 1.5rem;
}
.icon-circle {
  width: 64px;
  height: 64px;
  margin: 0 auto 1.5rem;
  background: rgba(249, 115, 22, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-orange);
}
.icon-circle svg {
  width: 28px;
  height: 28px;
}
.feature-box h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: #fff;
}
.feature-box p {
  font-size: 0.95rem;
  margin: 0;
}

/* =========================================
   About Section
========================================= */
.about-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.local-callout {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  background: var(--bg-card);
  border-left: 3px solid var(--accent-orange);
  border-radius: 0 4px 4px 0;
  font-weight: 500;
  color: #fff;
  margin-top: 1.5rem;
}
.local-callout svg {
  color: var(--accent-orange);
  width: 18px;
}
.about-stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
.stat-item {
  background: var(--bg-card);
  padding: 2rem;
  border-radius: 8px;
  border: 1px solid var(--border-light);
  text-align: center;
  transition: var(--transition);
}
.stat-item:hover {
  transform: translateY(-5px);
  border-color: rgba(249, 115, 22, 0.3);
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}
.stat-number {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--accent-orange);
  line-height: 1;
}
.stat-plus {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--accent-orange);
  line-height: 1;
}
.stat-label {
  display: block;
  font-size: 1.1rem;
  font-weight: 500;
  color: #fff;
  margin-top: 0.5rem;
}

/* =========================================
   Services
========================================= */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}
.service-card {
  background: var(--bg-main);
  padding: 2.5rem 2rem;
  border-radius: 8px;
  border: 1px solid var(--border-light);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent-orange);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}
.service-card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-5px);
}
.service-card:hover::after {
  transform: scaleX(1);
}
.service-icon {
  margin-bottom: 1.5rem;
  color: var(--accent-orange);
}
.service-icon svg {
  width: 36px;
  height: 36px;
}
.service-card h3 {
  font-size: 1.25rem;
  color: #fff;
}

/* =========================================
   FogBuster
========================================= */
.fogbuster {
  background: linear-gradient(135deg, #111 0%, #1a1a1a 100%);
  position: relative;
  overflow: hidden;
}
.fogbuster::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 50%; height: 100%;
  background: radial-gradient(circle at center, rgba(245, 158, 11, 0.05) 0%, transparent 70%);
}
.fogbuster-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.fogbuster-image {
  position: relative;
}
.product-placeholder {
  width: 100%;
  aspect-ratio: 4/3;
  background: var(--bg-card);
  border: 2px dashed rgba(245, 158, 11, 0.3);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  color: var(--text-muted);
}
.product-placeholder svg {
  width: 48px;
  height: 48px;
  color: var(--accent-amber);
}
.patent-badge {
  position: absolute;
  bottom: -15px;
  right: -15px;
  background: var(--accent-amber);
  color: #111;
  padding: 1rem 1.5rem;
  border-radius: 8px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 10px 20px rgba(0,0,0,0.3);
}
.feature-list {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.feature-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-main);
  font-weight: 500;
}
.feature-list li svg {
  color: var(--accent-amber);
  width: 20px;
}

/* =========================================
   Gallery
========================================= */
.gallery-filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin: 2rem 0;
}
.filter-btn {
  background: none;
  border: 1px solid var(--border-light);
  color: var(--text-muted);
  padding: 0.5rem 1.25rem;
  border-radius: 30px;
  cursor: pointer;
  font-family: var(--font-body);
  transition: var(--transition);
}
.filter-btn:hover,
.filter-btn.active {
  background: var(--accent-orange);
  border-color: var(--accent-orange);
  color: #fff;
}
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1rem;
}
.gallery-item {
  aspect-ratio: 1;
  background: var(--bg-card);
  border-radius: 8px;
  overflow: hidden;
  position: relative;
  cursor: zoom-in;
  transition: var(--transition);
}
.gallery-placeholder {
  width: 100%;
  height: 100%;
  border: 1px dashed var(--border-light);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.02);
}
.gallery-placeholder span {
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: #fff;
}
.gallery-item:hover .gallery-placeholder {
  background: rgba(255,255,255,0.05);
}

/* Simple animation for filtering */
.gallery-item.hide {
  display: none;
}

/* =========================================
   Contact & Quote
========================================= */
.contact-container {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
}
.contact-method {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.contact-method svg {
  color: var(--accent-orange);
  width: 24px;
}
.contact-method strong {
  display: block;
  color: #fff;
  margin-bottom: 0.25rem;
}
.map-placeholder {
  margin-top: 2rem;
  width: 100%;
  height: 200px;
  background: var(--bg-main);
  border-radius: 8px;
  border: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  gap: 0.5rem;
}

/* Form Styles */
.contact-form {
  background: var(--bg-card);
  padding: 2.5rem;
  border-radius: 12px;
  border: 1px solid var(--border-light);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.form-group {
  margin-bottom: 1.5rem;
}
.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--text-main);
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  background: var(--bg-main);
  border: 1px solid var(--border-light);
  border-radius: 4px;
  color: #fff;
  font-family: var(--font-body);
  transition: var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-orange);
  box-shadow: 0 0 0 2px rgba(249, 115, 22, 0.2);
}
.file-upload-group {
  position: relative;
}
.hidden-file-input {
  position: absolute;
  width: 0;
  height: 0;
  opacity: 0;
}
.file-upload-label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 1rem;
  border: 1px dashed var(--border-light);
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition);
  color: var(--text-muted);
}
.file-upload-label:hover {
  border-color: var(--accent-orange);
  color: var(--accent-orange);
}

/* =========================================
   Footer
========================================= */
.site-footer {
  background: #000;
  padding: 4rem 0 2rem;
  border-top: 1px solid rgba(255,255,255,0.05);
}
.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}
.footer-brand h3 {
  font-size: 1.5rem;
  color: #fff;
  letter-spacing: -0.5px;
}
.footer-links h4,
.footer-social h4 {
  color: #fff;
  margin-bottom: 1rem;
}
.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.footer-links a:hover {
  color: var(--accent-orange);
}
.social-icons {
  display: flex;
  gap: 1rem;
}
.social-icons a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-main);
}
.social-icons a:hover {
  background: var(--accent-orange);
  color: #fff;
}
.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.05);
  font-size: 0.875rem;
}

/* =========================================
   Reveal Animations
========================================= */
.reveal, .animate-up {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}
.reveal.active, .animate-up.active {
  opacity: 1;
  transform: translateY(0);
}
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

/* Apply active state to hero elements on load via JS or start them active if no JS */

/* =========================================
   Responsive Media Queries
========================================= */
@media (max-width: 992px) {
  .about-container,
  .fogbuster-container,
  .contact-container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .about-stats {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .desktop-nav, .nav-actions .btn {
    display: none;
  }
  .menu-toggle {
    display: block;
  }
  .hero-title {
    font-size: 2.5rem;
  }
  .about-stats {
    grid-template-columns: 1fr;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .social-icons {
    justify-content: center;
  }
  .patent-badge {
    bottom: 10px;
    right: 10px;
  }
}