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

:root {
  --color-bg: #000000;
  --color-surface: #0a0a0a;
  --color-border: #1a1a1a;
  --color-text: #ffffff;
  --color-text-muted: #a0a0a0;
  --color-accent: #00ff88;
  --color-accent-hover: #00cc6a;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Added utility classes for layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

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

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid var(--color-border);
  animation: slideDown 0.5s ease-out;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Updated navigation styles for new structure */
.logo {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  color: var(--color-text);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.3s ease;
}

.nav-links a:hover {
  color: var(--color-accent);
}

.btn-nav {
  background-color: var(--color-text);
  color: var(--color-bg) !important;
  padding: 0.5rem 1.25rem;
  border-radius: 6px;
  transition: all 0.3s ease;
}

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

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl) var(--spacing-md);
  padding-top: calc(var(--spacing-xl) + 80px);
  position: relative;
  overflow: hidden;
}

/* Added hero background animation */
.hero-background {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 255, 136, 0.1) 0%, transparent 70%);
  animation: pulse 4s ease-in-out infinite;
  z-index: 1;
}

.hero-content {
  max-width: 900px;
  text-align: center;
  z-index: 2;
  position: relative;
}

.hero-content h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.03em;
}

.hero-subtitle {
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--spacing-lg);
}

/* Added hero stats styling */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-md);
  max-width: 600px;
  margin: 0 auto;
  margin-top: var(--spacing-lg);
}

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

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, var(--color-text) 0%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 1rem 2rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 500;
  font-size: 1rem;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.btn-primary {
  background-color: var(--color-text);
  color: var(--color-bg);
}

.btn-primary:hover {
  background-color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0, 255, 136, 0.3);
}

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

.btn-secondary:hover {
  border-color: var(--color-text);
  transform: translateY(-2px);
}

/* Added button variants */
.btn-block {
  width: 100%;
  text-align: center;
}

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

/* Stats Section */
.stats {
  padding: var(--spacing-xl) var(--spacing-md);
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.stats-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.stat-item {
  text-align: left;
}

.stat-number {
  font-size: 4rem;
  font-weight: 700;
  line-height: 1;
  margin-bottom: var(--spacing-sm);
  background: linear-gradient(135deg, var(--color-text) 0%, var(--color-text-muted) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.stat-description {
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* Added projects section styles */
/* Projects Section */
.projects-section {
  padding: var(--spacing-xl) var(--spacing-md);
  background-color: var(--color-bg);
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  text-align: center;
  margin-bottom: var(--spacing-sm);
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.project-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.project-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
  box-shadow: 0 10px 40px rgba(0, 255, 136, 0.1);
}

.project-image {
  position: relative;
  width: 100%;
  height: 240px;
  overflow: hidden;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background-color: var(--color-accent);
  color: var(--color-bg);
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 600;
}

.project-badge-wind {
  background-color: #00b8ff;
}

.project-badge-hydro {
  background-color: #0088ff;
}

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

.project-content h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.project-location {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  margin-bottom: var(--spacing-sm);
}

.project-description {
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
}

.project-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-sm);
  background-color: var(--color-bg);
  border-radius: 8px;
}

.project-stat {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.project-stat .stat-label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.project-stat .stat-value {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-accent);
}

.progress-bar {
  width: 100%;
  height: 8px;
  background-color: var(--color-bg);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 0.5rem;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-accent-hover) 100%);
  transition: width 0.3s ease;
}

.progress-info {
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-md);
}

/* Added how it works section styles */
/* How It Works Section */
.how-it-works {
  padding: var(--spacing-xl) var(--spacing-md);
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.step-card {
  padding: var(--spacing-md);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  transition: all 0.3s ease;
}

.step-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
}

.step-number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: var(--spacing-sm);
  opacity: 0.5;
}

.step-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.step-card p {
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* Features Section */
.features {
  padding: var(--spacing-xl) var(--spacing-md);
  max-width: 1200px;
  margin: 0 auto;
}

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

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  max-width: 800px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.feature-card {
  padding: var(--spacing-md);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  transition: all 0.3s ease;
}

.feature-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
  box-shadow: 0 10px 40px rgba(0, 255, 136, 0.1);
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.feature-card p {
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* CTA Section */
.cta-section {
  padding: var(--spacing-xl) var(--spacing-md);
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.cta-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.cta-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.02em;
}

.cta-description {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
}

/* Updated CTA */
.cta-content h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.02em;
}

.cta-content p {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Contact Section */
.contact {
  padding: var(--spacing-xl) var(--spacing-md);
  max-width: 600px;
  margin: 0 auto;
}

/* Updated Contact */
/* Added contact section styles */
.contact-section {
  padding: var(--spacing-xl) var(--spacing-md);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  max-width: 1000px;
  margin: 0 auto;
}

.contact-info h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.contact-info p {
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
}

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

.contact-item strong {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--color-accent);
}

.contact-item p {
  margin: 0;
  color: var(--color-text-muted);
}

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

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 1rem;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  color: var(--color-text);
  font-size: 1rem;
  font-family: inherit;
  transition: all 0.3s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(0, 255, 136, 0.1);
}

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

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

.contact-form {
  margin-top: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 1rem;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  color: var(--color-text);
  font-size: 1rem;
  font-family: inherit;
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(0, 255, 136, 0.1);
}

.form-group textarea {
  resize: vertical;
}

/* Footer */
.footer {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-xl) var(--spacing-md) var(--spacing-md);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

/* updated footer */
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-section h3,
.footer-section h4 {
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
}

.footer-column h3,
.footer-column h4 {
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
}

.footer-section p {
  color: var(--color-text-muted);
  line-height: 1.6;
}

.footer-column p {
  color: var(--color-text-muted);
  line-height: 1.6;
}

.footer-section ul {
  list-style: none;
}

.footer-column ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 0.5rem;
}

.footer-column ul li {
  margin-bottom: 0.5rem;
}

.footer-section ul li a {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-column ul li a {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-section ul li a:hover {
  color: var(--color-accent);
}

.footer-column ul li a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
  text-align: center;
  color: var(--color-text-muted);
}

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

/* Animations */
@keyframes slideDown {
  from {
    transform: translateY(-100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.5;
  }
  50% {
    transform: scale(1.1);
    opacity: 0.8;
  }
}

/* updated pulse */
@keyframes pulse {
  0%,
  100% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 0.5;
  }
  50% {
    transform: translate(-50%, -50%) scale(1.1);
    opacity: 0.8;
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 1s ease-out;
}

.fade-in-up {
  opacity: 0;
  animation: fadeIn 0.8s ease-out forwards;
}

.fade-in-up:nth-child(1) {
  animation-delay: 0.1s;
}
.fade-in-up:nth-child(2) {
  animation-delay: 0.2s;
}
.fade-in-up:nth-child(3) {
  animation-delay: 0.3s;
}
.fade-in-up:nth-child(4) {
  animation-delay: 0.4s;
}
.fade-in-up:nth-child(5) {
  animation-delay: 0.5s;
}
.fade-in-up:nth-child(6) {
  animation-delay: 0.6s;
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-menu {
    gap: 1rem;
    font-size: 0.875rem;
  }

  /*updated nav */
  .nav-links {
    gap: 1rem;
    font-size: 0.875rem;
  }

  .hero {
    padding: var(--spacing-lg) var(--spacing-sm);
  }

  /*updated hero */
  .hero {
    padding: var(--spacing-lg) var(--spacing-sm);
    padding-top: calc(var(--spacing-lg) + 80px);
  }

  .energy-pulse {
    width: 300px;
    height: 300px;
  }

  /* updated hero background */
  .hero-background {
    width: 300px;
    height: 300px;
  }

  .stats-container {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  /* updated hero stats */
  .hero-stats {
    grid-template-columns: 1fr;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  /* updated projects grid */
  .projects-grid {
    grid-template-columns: 1fr;
  }

  /* updated project stats */
  .project-stats {
    grid-template-columns: 1fr;
  }

  /* updated steps grid */
  .steps-grid {
    grid-template-columns: 1fr;
  }

  /* updated features grid */
  .features-grid {
    grid-template-columns: 1fr;
  }

  /* updated contact grid */
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .footer-container {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  /* updated footer grid */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
}

@media (max-width: 480px) {
  .nav-container {
    padding: 1rem;
  }

  .nav-menu {
    display: none;
  }

  /*updated nav menu */
  .nav-links li:not(:last-child) {
    display: none;
  }

  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }

  .btn {
    width: 100%;
    text-align: center;
  }

  /* updated cta buttons */
  .cta-buttons {
    flex-direction: column;
  }
}