/* ===================================
   NC Charging Systems - Styles
   Bold Editorial Design
   =================================== */

/* CSS Custom Properties */
:root {
  --color-teal: #0D7377;
  --color-teal-dark: #095456;
  --color-teal-light: #14A3A8;
  --color-slate: #2D3748;
  --color-slate-dark: #1A202C;
  --color-slate-light: #4A5568;
  --color-cream: #FAF9F6;
  --color-white: #FFFFFF;
  --color-border: #E2E8F0;
  --color-text: #1A202C;
  --color-text-light: #718096;
  
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
}

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

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

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background-color: var(--color-cream);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.3s ease;
}

ul {
  list-style: none;
}

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

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.15;
  color: var(--color-slate-dark);
}

h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.5rem;
}

p {
  color: var(--color-text-light);
  font-size: 1.05rem;
}

em {
  font-style: italic;
  color: var(--color-teal);
}

/* Eyebrow */
.section-eyebrow {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-teal);
  margin-bottom: var(--spacing-sm);
}

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

.section-header h2 {
  margin-bottom: var(--spacing-sm);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
}

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

.btn-primary:hover {
  background-color: var(--color-teal-dark);
  border-color: var(--color-teal-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-slate-dark);
  border-color: var(--color-slate-dark);
}

.btn-outline:hover {
  background-color: var(--color-slate-dark);
  color: var(--color-white);
  transform: translateY(-2px);
}

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

.btn-white:hover {
  background-color: var(--color-cream);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.btn-outline-white:hover {
  background-color: var(--color-white);
  color: var(--color-teal);
  transform: translateY(-2px);
}

.btn-full {
  width: 100%;
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: rgba(250, 249, 246, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  transition: all 0.3s ease;
}

.site-header.scrolled {
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-mark {
  width: 32px;
  height: 32px;
  background-color: var(--color-teal);
  border-radius: var(--radius-sm);
  position: relative;
}

.logo-mark::after {
  content: '';
  position: absolute;
  top: 8px;
  left: 8px;
  right: 8px;
  bottom: 8px;
  background-color: var(--color-white);
  border-radius: 2px;
}

.logo-text {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-slate-dark);
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.main-nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-slate);
}

.main-nav a:hover {
  color: var(--color-teal);
}

/* Mobile Menu */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-menu-btn span {
  width: 24px;
  height: 2px;
  background-color: var(--color-slate-dark);
  transition: all 0.3s ease;
}

.mobile-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-cream);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.mobile-menu-overlay.active {
  opacity: 1;
  visibility: visible;
}

.mobile-menu-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
}

.mobile-link {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  color: var(--color-slate-dark);
  font-weight: 700;
}

.mobile-link:hover {
  color: var(--color-teal);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  position: relative;
  overflow: hidden;
  background-color: var(--color-cream);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content {
  padding-right: var(--spacing-md);
}

.hero-eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-teal);
  margin-bottom: var(--spacing-sm);
}

.hero h1 {
  margin-bottom: var(--spacing-md);
}

.hero h1 em {
  font-size: 0.85em;
  display: block;
  margin-top: 0.25em;
}

.hero-subtitle {
  font-size: 1.15rem;
  margin-bottom: var(--spacing-md);
  max-width: 480px;
}

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

.hero-image {
  position: relative;
}

.hero-image img {
  width: 100%;
  height: 600px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.hero-badge {
  position: absolute;
  bottom: -20px;
  left: -20px;
  background-color: var(--color-white);
  padding: 1rem 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  font-size: 0.9rem;
}

.badge-icon {
  width: 40px;
  height: 40px;
  background-color: var(--color-teal);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
}

.hero-pattern {
  position: absolute;
  top: 0;
  right: 0;
  width: 40%;
  height: 100%;
  background: linear-gradient(135deg, transparent 0%, rgba(13, 115, 119, 0.03) 100%);
  pointer-events: none;
}

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

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

.service-card {
  padding: var(--spacing-md);
  background-color: var(--color-cream);
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
  border: 1px solid transparent;
}

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

.service-icon {
  width: 56px;
  height: 56px;
  background-color: var(--color-teal);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  margin-bottom: var(--spacing-sm);
}

.service-card h3 {
  margin-bottom: 0.5rem;
  font-size: 1.25rem;
}

.service-card p {
  font-size: 0.95rem;
  line-height: 1.6;
}

/* About Section */
.about {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-cream);
}

.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: center;
}

.about-image {
  position: relative;
}

.about-image img {
  width: 100%;
  height: 500px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.about-stats {
  position: absolute;
  bottom: -30px;
  right: -30px;
  background-color: var(--color-teal);
  color: var(--color-white);
  padding: 1.5rem 2rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.about-stats .stat {
  display: flex;
  flex-direction: column;
}

.about-stats .stat-number {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
}

.about-stats .stat-label {
  font-size: 0.85rem;
  opacity: 0.9;
}

.about-content h2 {
  margin-bottom: var(--spacing-md);
}

.about-content p {
  margin-bottom: var(--spacing-sm);
}

.about-features {
  margin-top: var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.about-features li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 500;
  color: var(--color-slate);
}

.about-features svg {
  color: var(--color-teal);
  flex-shrink: 0;
}

/* Reviews Section */
.reviews {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-white);
}

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

.review-card {
  background-color: var(--color-cream);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  transition: all 0.3s ease;
}

.review-card:hover {
  border-color: var(--color-teal);
  box-shadow: var(--shadow-sm);
}

.review-stars {
  display: flex;
  gap: 0.25rem;
  margin-bottom: var(--spacing-sm);
  color: #F6AD55;
}

.review-text {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-style: italic;
  color: var(--color-slate);
  margin-bottom: var(--spacing-sm);
  line-height: 1.6;
}

.review-author {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-teal);
}

/* CTA Section */
.cta {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-teal);
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 60%;
  height: 200%;
  background: linear-gradient(135deg, transparent 0%, rgba(255,255,255,0.05) 100%);
  pointer-events: none;
}

.cta-inner {
  text-align: center;
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin: 0 auto;
}

.cta h2 {
  color: var(--color-white);
  margin-bottom: var(--spacing-sm);
}

.cta h2 em {
  color: var(--color-white);
}

.cta p {
  color: rgba(255,255,255,0.85);
  font-size: 1.15rem;
  margin-bottom: var(--spacing-md);
}

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

/* Contact Section */
.contact {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-cream);
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
}

.contact-info h2 {
  margin-bottom: var(--spacing-sm);
}

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

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

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

.contact-icon {
  width: 48px;
  height: 48px;
  background-color: var(--color-teal);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  flex-shrink: 0;
}

.contact-item h4 {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-slate-light);
  margin-bottom: 0.25rem;
}

.contact-item p,
.contact-item a {
  font-size: 1rem;
  color: var(--color-slate);
}

.contact-item a:hover {
  color: var(--color-teal);
}

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

.contact-form-wrapper h3 {
  margin-bottom: var(--spacing-md);
  font-size: 1.5rem;
}

.form-group {
  margin-bottom: var(--spacing-sm);
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-slate);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--color-text);
  transition: border-color 0.3s ease;
  background-color: var(--color-cream);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-teal);
  background-color: var(--color-white);
}

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

.form-success {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--spacing-lg);
}

.form-success svg {
  color: var(--color-teal);
  margin-bottom: var(--spacing-sm);
}

.form-success h4 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.form-success p {
  color: var(--color-text-light);
}

/* Footer */
.footer {
  background-color: var(--color-slate-dark);
  color: var(--color-white);
  padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-brand .logo-text {
  color: var(--color-white);
}

.footer-brand p {
  color: rgba(255,255,255,0.6);
  margin-top: var(--spacing-sm);
  font-size: 0.95rem;
}

.footer-links h4,
.footer-contact h4 {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-teal-light);
  margin-bottom: var(--spacing-sm);
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-links a {
  color: rgba(255,255,255,0.7);
  font-size: 0.95rem;
}

.footer-links a:hover {
  color: var(--color-white);
}

.footer-contact p {
  color: rgba(255,255,255,0.7);
  font-size: 0.95rem;
  margin-bottom: 0.25rem;
}

.footer-contact a {
  color: rgba(255,255,255,0.7);
}

.footer-contact a:hover {
  color: var(--color-white);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--spacing-md);
  text-align: center;
}

.footer-bottom p {
  color: rgba(255,255,255,0.5);
  font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 1024px) {
  .services-grid,
  .reviews-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .hero-inner,
  .about-inner,
  .contact-inner {
    grid-template-columns: 1fr;
  }
  
  .hero-content {
    padding-right: 0;
    text-align: center;
  }
  
  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  .hero-image {
    max-width: 500px;
    margin: 0 auto;
  }
  
  .hero-image img {
    height: 400px;
  }
  
  .about-stats {
    right: 0;
  }
  
  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --spacing-xl: 4rem;
    --spacing-lg: 3rem;
  }
  
  .main-nav {
    display: none;
  }
  
  .mobile-menu-btn {
    display: flex;
  }
  
  .services-grid,
  .reviews-grid {
    grid-template-columns: 1fr;
  }
  
  .hero {
    padding-top: 100px;
    padding-bottom: var(--spacing-lg);
  }
  
  .hero h1 {
    font-size: 2.25rem;
  }
  
  .hero-badge {
    position: relative;
    bottom: auto;
    left: auto;
    margin-top: var(--spacing-sm);
    display: inline-flex;
  }
  
  .about-stats {
    position: relative;
    bottom: auto;
    right: auto;
    margin-top: var(--spacing-sm);
    display: inline-block;
  }
  
  .footer-inner {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .cta-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .cta-actions .btn {
    width: 100%;
    max-width: 300px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .hero-actions {
    flex-direction: column;
  }
  
  .hero-actions .btn {
    width: 100%;
  }
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeInUp 0.6s ease forwards;
}

.fade-in-delay-1 {
  animation-delay: 0.1s;
}

.fade-in-delay-2 {
  animation-delay: 0.2s;
}

.fade-in-delay-3 {
  animation-delay: 0.3s;
}