/* NordenTek - Design System & Custom Styles */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
  /* Colors */
  --bg-primary: #000000;      /* Pure black background */
  --bg-secondary: #0D0E10;    /* Elevated dark background */
  --bg-dark: #000000;         /* Pure black */
  --bg-dark-accent: #161719;  /* Elevated dark container elements */
  
  --text-primary: #FFFFFF;    /* Pure white text */
  --text-secondary: #A0A5AD;  /* Muted light gray text */
  --text-muted: #6C727A;      /* Gray muted text */
  --text-light: #FFFFFF;
  
  --accent-brass: #FF6B00;    /* Vibrant orange accent */
  --accent-brass-hover: #E05A00;
  --border-color: rgba(255, 255, 255, 0.08);
  --border-light: rgba(255, 255, 255, 0.06);
  
  /* Layout & Spacing */
  --container-width: 1200px;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.75rem;
  --spacing-lg: 3.5rem;
  --spacing-xl: 6.5rem;
  
  /* Animations & Transitions */
  --transition-smooth: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.2s ease-out;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Outfit', sans-serif;
  -webkit-font-smoothing: antialiased;
}

body {
  overflow-x: hidden;
  line-height: 1.6;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 600;
  line-height: 1.1;
  margin-bottom: var(--spacing-sm);
}

h2 {
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 500;
  margin-bottom: var(--spacing-md);
}

p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  font-weight: 300;
}

.text-accent {
  color: var(--accent-brass);
}

/* Helpers & Layout */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

section {
  padding: var(--spacing-xl) 0;
  position: relative;
}

.section-bg-alt {
  background-color: var(--bg-secondary);
}

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

/* Grid System */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

/* Header & Navigation */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: var(--spacing-sm) 0;
  background-color: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: var(--transition-smooth);
}

header.scrolled {
  padding: var(--spacing-xs) 0;
  border-bottom: 1px solid var(--border-color);
  background-color: rgba(0, 0, 0, 0.92);
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo span {
  font-weight: 600;
  color: var(--accent-brass);
}

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

.nav-menu a {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 400;
  transition: var(--transition-fast);
  position: relative;
  padding: 4px 0;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--accent-brass);
  transition: var(--transition-fast);
}

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

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

.nav-cta {
  padding: 0.75rem 1.5rem;
  background-color: var(--text-primary);
  color: var(--bg-primary);
  border: none;
  font-family: inherit;
  font-weight: 500;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition-smooth);
  border-radius: 4px;
}

.nav-cta:hover {
  background-color: var(--accent-brass);
  transform: translateY(-2px);
}

/* Mobile Menu Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--text-primary);
  margin: 5px 0;
  transition: var(--transition-fast);
}

/* Hero Section */
.hero {
  position: relative;
  height: 80vh;
  padding-top: 130px;
  padding-bottom: 0;
  display: flex;
  align-items: center;
  background-color: #000000;
  overflow: hidden;
}

.hero-video {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: translate(-50%, -50%);
  z-index: 1;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: 2;
}

.hero .container {
  position: relative;
  z-index: 3;
}

.hero-content h1 {
  color: var(--accent-brass);
}

.hero-content .hero-subtitle {
  color: var(--text-light);
  opacity: 0.9;
}

.hero-content .hero-description {
  color: rgba(255, 255, 255, 0.9);
}

.hero-content .btn-secondary {
  border-color: rgba(255, 255, 255, 0.4);
  color: var(--text-light);
}

.hero-content .btn-secondary:hover {
  border-color: var(--text-light);
  background-color: rgba(255, 255, 255, 0.1);
}

.hero-content {
  max-width: 650px;
}

.hero-subtitle {
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--text-muted);
  margin-bottom: var(--spacing-sm);
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

.hero-description {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
  font-weight: 300;
}

.hero-ctas {
  display: flex;
  gap: var(--spacing-sm);
}

.btn {
  padding: 1.1rem 2.2rem;
  font-size: 1rem;
  font-weight: 500;
  font-family: inherit;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition-smooth);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-primary {
  background-color: var(--text-primary);
  color: var(--bg-primary);
  border: 1px solid var(--text-primary);
}

.btn-primary:hover {
  background-color: var(--accent-brass);
  border-color: var(--accent-brass);
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.05);
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  border-color: var(--text-primary);
  background-color: rgba(0,0,0,0.02);
  transform: translateY(-3px);
}

/* Trust Badges */
.trust-badges {
  padding: 14rem 0 var(--spacing-md) 0;
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-primary);
}

.badges-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.badge-item {
  display: flex;
  align-items: center;
  gap: 12px;
}

.badge-icon {
  width: 24px;
  height: 24px;
  color: var(--text-muted);
}

.badge-text {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
  color: var(--text-secondary);
}

/* Services Section */
.section-header {
  max-width: 600px;
  margin-bottom: var(--spacing-lg);
}

.section-label {
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-brass);
  margin-bottom: var(--spacing-xs);
  display: block;
}

.services-grid {
  margin-bottom: var(--spacing-lg);
}

.service-card {
  background-color: var(--bg-dark-accent);
  border: 1px solid var(--border-color);
  padding: var(--spacing-md);
  border-radius: 6px;
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent-brass);
  box-shadow: 0 20px 40px rgba(255, 107, 0, 0.05);
}

.service-icon {
  width: 42px;
  height: 42px;
  stroke-width: 1.2px;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.service-card h3 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
  font-weight: 500;
}

.service-card p {
  font-size: 1rem;
  margin-bottom: var(--spacing-md);
}

.service-features {
  list-style: none;
  margin-top: auto;
  border-top: 1px solid var(--border-color);
  padding-top: var(--spacing-sm);
}

.service-features li {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 300;
}

.service-features li::before {
  content: "•";
  color: var(--accent-brass);
  font-size: 1.2rem;
}

/* Process Section */
.process-flow {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.process-step {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-lg);
}

.process-num {
  font-size: 3rem;
  font-weight: 500;
  color: var(--accent-brass);
  line-height: 1;
  opacity: 0.85;
}

.process-body h3 {
  font-size: 1.6rem;
  margin-bottom: var(--spacing-xs);
}

.process-body p {
  max-width: 700px;
}

/* Interactive Cost Calculator */
.calculator-card {
  background-color: var(--bg-dark-accent);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: var(--spacing-md);
}

.calculator-group {
  margin-bottom: var(--spacing-md);
}

.calculator-group label {
  display: block;
  font-size: 0.95rem;
  font-weight: 500;
  margin-bottom: 8px;
}

.calc-options {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-sm);
}

.calc-option-btn {
  padding: var(--spacing-sm);
  background-color: transparent;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  cursor: pointer;
  font-family: inherit;
  font-weight: 400;
  color: var(--text-secondary);
  transition: var(--transition-fast);
  text-align: center;
}

.calc-option-btn.active {
  border-color: var(--accent-brass);
  background-color: rgba(255, 107, 0, 0.08);
  color: var(--accent-brass);
  font-weight: 500;
}

.range-slider {
  width: 100%;
  height: 4px;
  background-color: var(--border-color);
  outline: none;
  -webkit-appearance: none;
  border-radius: 2px;
}

.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background-color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition-fast);
  border: 2px solid var(--bg-primary);
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

.range-slider::-webkit-slider-thumb:hover {
  background-color: var(--accent-brass);
}

.range-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.estimate-display {
  background-color: var(--bg-secondary);
  padding: var(--spacing-md);
  border-radius: 6px;
  text-align: center;
  margin-top: var(--spacing-md);
  border: 1px solid var(--border-color);
}

.estimate-label {
  font-size: 0.9rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
  display: block;
}

.estimate-price {
  font-size: 2.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.estimate-note {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Testimonials / Social Proof */
.testimonials-slider-container {
  position: relative;
  overflow: hidden;
  padding: 10px;
}

.testimonials-wrapper {
  display: flex;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform;
}

.testimonial-slide {
  min-width: 100%;
  padding: 0 10px;
}

.testimonial-card {
  background-color: var(--bg-dark-accent);
  border: 1px solid var(--border-color);
  padding: var(--spacing-lg) var(--spacing-md);
  border-radius: 8px;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.stars {
  display: flex;
  justify-content: center;
  gap: 4px;
  margin-bottom: var(--spacing-sm);
  color: var(--accent-brass);
}

.star-icon {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.testimonial-quote {
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  font-weight: 300;
  line-height: 1.4;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.testimonial-author {
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.testimonial-role {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.slider-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.slider-arrow {
  background: none;
  border: 1px solid var(--border-color);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  transition: var(--transition-fast);
}

.slider-arrow:hover {
  background-color: var(--text-primary);
  color: var(--text-light);
  border-color: var(--text-primary);
}

.slider-arrow svg {
  width: 20px;
  height: 20px;
}

.slider-dots {
  display: flex;
  gap: 8px;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--border-color);
  cursor: pointer;
  transition: var(--transition-fast);
}

.dot.active {
  background-color: var(--text-primary);
  transform: scale(1.25);
}

/* Contact & Footer Section */
.contact-footer-section {
  background-color: var(--bg-dark);
  color: var(--text-light);
  padding: var(--spacing-xl) 0 calc(var(--spacing-md) * 2);
  border-top: 1px solid var(--border-light);
}

.contact-footer-section p {
  color: var(--text-muted);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.contact-info {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.contact-header {
  margin-bottom: var(--spacing-md);
}

.contact-header h2 {
  color: var(--text-light);
  margin-bottom: var(--spacing-sm);
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.contact-detail-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.contact-detail-icon {
  width: 24px;
  height: 24px;
  color: var(--accent-brass);
  margin-top: 4px;
}

.contact-detail-item h4 {
  font-weight: 500;
  margin-bottom: 2px;
  color: var(--text-light);
}

/* Elegant Contact Form */
.contact-form {
  background-color: var(--bg-dark-accent);
  padding: var(--spacing-md);
  border-radius: 8px;
  border: 1px solid var(--border-light);
}

.form-group {
  position: relative;
  margin-bottom: var(--spacing-md);
}

.form-input {
  width: 100%;
  padding: 1.2rem 1rem 0.6rem;
  background-color: transparent;
  border: none;
  border-bottom: 1px solid rgba(248, 249, 250, 0.2);
  color: var(--text-light);
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-bottom-color: var(--accent-brass);
}

.form-label {
  position: absolute;
  left: 1rem;
  top: 1rem;
  color: var(--text-muted);
  pointer-events: none;
  transition: var(--transition-fast);
  font-weight: 300;
  font-size: 1rem;
}

/* Floating Label Effects */
.form-input:focus ~ .form-label,
.form-input:not(:placeholder-shown) ~ .form-label {
  top: 0.2rem;
  font-size: 0.75rem;
  color: var(--accent-brass);
}

textarea.form-input {
  resize: vertical;
  min-height: 100px;
}

.form-status {
  margin-top: var(--spacing-sm);
  padding: var(--spacing-sm);
  border-radius: 4px;
  font-size: 0.95rem;
  display: none;
}

.form-status.success {
  display: block;
  background-color: rgba(40, 167, 69, 0.15);
  color: #28a745;
  border: 1px solid rgba(40, 167, 69, 0.3);
}

/* Footer Links & Credits */
.footer-bottom {
  border-top: 1px solid var(--border-light);
  padding-top: var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.footer-nav {
  display: flex;
  gap: var(--spacing-md);
}

.footer-nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition-fast);
}

.footer-nav a:hover {
  color: var(--text-light);
}

.copyright {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Scroll-driven Reveal Animations */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), transform 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive Breakpoints */
@media (max-width: 992px) {
  :root {
    --spacing-xl: 4.5rem;
  }
  
  .grid-2 {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .grid-3 {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .contact-info {
    gap: var(--spacing-lg);
  }
}

@media (max-width: 768px) {
  header {
    padding: var(--spacing-xs) 0;
  }
  
  .mobile-toggle {
    display: block;
    z-index: 101;
  }
  
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background-color: var(--bg-primary);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
    transition: var(--transition-smooth);
    box-shadow: -10px 0 30px rgba(0,0,0,0.05);
    border-left: 1px solid var(--border-color);
  }
  
  .nav-menu.active {
    right: 0;
  }
  
  .nav-menu a {
    font-size: 1.25rem;
  }
  
  .mobile-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  
  .mobile-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  
  .mobile-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
  
  .hero {
    text-align: center;
    display: flex;
    justify-content: center;
    padding-top: var(--spacing-xl);
  }
  
  .hero-ctas {
    justify-content: center;
  }
  
  .badges-wrapper {
    justify-content: center;
    gap: var(--spacing-sm) var(--spacing-md);
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }
}