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

:root {
  /* Color System - Robotics Theme */
  --primary-blue: #0066cc;
  --secondary-blue: #004499;
  --accent-cyan: #00ccff;
  --neutral-dark: #1a1a1a;
  --neutral-gray: #666666;
  --neutral-light: #f5f7fa;
  --white: #ffffff;

  /* Typography */
  --font-primary: "Inter", sans-serif;
  --font-mono: "JetBrains Mono", monospace;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 4rem;

  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 102, 204, 0.1);
  --shadow-md: 0 4px 12px rgba(0, 102, 204, 0.15);
  --shadow-lg: 0 8px 24px rgba(0, 102, 204, 0.2);

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
}

body {
  font-family: var(--font-primary);
  line-height: 1.6;
  color: var(--neutral-dark);
  background-color: var(--white);
}

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

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

h1 {
  font-size: 3rem;
  font-weight: 700;
}

h2 {
  font-size: 2.5rem;
}

h3 {
  font-size: 1.5rem;
}

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

/* Buttons */
.btn-primary,
.btn-secondary,
.btn-outline {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: 8px;
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition-normal);
  border: 2px solid transparent;
  cursor: pointer;
  font-size: 1rem;
}

.btn-primary {
  background: linear-gradient(
    135deg,
    var(--primary-blue),
    var(--secondary-blue)
  );
  color: var(--white);
  border-color: var(--primary-blue);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: var(--neutral-gray);
  color: var(--white);
  border-color: var(--neutral-gray);
}

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

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

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--neutral-dark);
  color: var(--white);
  padding: var(--spacing-sm);
  z-index: 1000;
  transform: translateY(100%);
  transition: var(--transition-normal);
}

.cookie-banner.show {
  transform: translateY(0);
}

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

.cookie-buttons {
  display: flex;
  gap: var(--spacing-sm);
}

.cookie-banner a {
  color: var(--accent-cyan);
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 100;
  padding: var(--spacing-sm) 0;
  box-shadow: var(--shadow-sm);
}

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

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

.nav-menu a {
  text-decoration: none;
  color: var(--neutral-dark);
  font-weight: 500;
  transition: var(--transition-fast);
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 4px;
}

.nav-toggle span {
  width: 25px;
  height: 3px;
  background: var(--neutral-dark);
  transition: var(--transition-fast);
}

/* Logo Styles */
.logo img,
.footer-logo img {
  display: block;
  transition: var(--transition-fast);
}

.logo img {
  height: 45px;
  width: auto;
  filter: brightness(1);
}

.footer-logo img {
  height: 60px;
  width: auto;
  margin-bottom: var(--spacing-md);
  opacity: 0.9;
}

.logo:hover img,
.footer-logo:hover img {
  filter: brightness(1.1);
  transform: scale(1.05);
}

/* Hero Section */
.hero {
  padding: calc(80px + var(--spacing-xxl)) 0 var(--spacing-xxl);
  background: linear-gradient(
    135deg,
    var(--neutral-light) 0%,
    rgba(0, 102, 204, 0.05) 100%
  );
  overflow: hidden;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xxl);
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--neutral-gray);
  margin-bottom: var(--spacing-lg);
}

.hero-stats {
  display: flex;
  gap: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-blue);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--neutral-gray);
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
}

.hero-visual img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
}

/* Section Headers */
.section-header {
  text-align: center;
  margin-bottom: var(--spacing-xxl);
}

.section-header p {
  font-size: 1.125rem;
  color: var(--neutral-gray);
  max-width: 600px;
  margin: 0 auto;
}

/* Services Section */
.services {
  padding: var(--spacing-xxl) 0;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-lg);
}

.service-card {
  background: var(--white);
  padding: var(--spacing-xl);
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
  border: 1px solid rgba(0, 102, 204, 0.1);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.service-icon {
  margin-bottom: var(--spacing-md);
}

.service-features {
  list-style: none;
  margin-top: var(--spacing-md);
}

.service-features li {
  padding: var(--spacing-xs) 0;
  color: var(--neutral-gray);
  position: relative;
  padding-left: var(--spacing-md);
}

.service-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--primary-blue);
  font-weight: bold;
}

/* Solutions Section */
.solutions {
  padding: var(--spacing-xxl) 0;
  background: var(--neutral-light);
}

.solution-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xxl);
  align-items: center;
  margin-bottom: var(--spacing-xxl);
}

.solution-item.reverse {
  direction: rtl;
}

.solution-item.reverse > * {
  direction: ltr;
}

.solution-text ul {
  list-style: none;
  margin-top: var(--spacing-md);
}

.solution-text li {
  padding: var(--spacing-xs) 0;
  position: relative;
  padding-left: var(--spacing-md);
}

.solution-text li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--primary-blue);
  font-weight: bold;
}

.solution-visual img {
  width: 100%;
  border-radius: 12px;
  box-shadow: var(--shadow-md);
}

/* About Section */
.about {
  padding: var(--spacing-xxl) 0;
}

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

.about-achievements {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.achievement {
  padding: var(--spacing-md);
  background: var(--neutral-light);
  border-radius: 8px;
}

.achievement h4 {
  color: var(--primary-blue);
  margin-bottom: var(--spacing-xs);
}

.about-visual img {
  width: 100%;
  border-radius: 12px;
  box-shadow: var(--shadow-md);
}

/* Industries Section */
.industries {
  padding: var(--spacing-xxl) 0;
  background: var(--neutral-light);
}

.industries-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
}

.industry-card {
  background: var(--white);
  padding: var(--spacing-lg);
  border-radius: 12px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
}

.industry-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.industry-icon {
  margin-bottom: var(--spacing-md);
}

/* Technology Section */
.technology {
  padding: var(--spacing-xxl) 0;
}

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

.tech-item {
  padding: var(--spacing-lg);
  border-left: 4px solid var(--primary-blue);
  background: var(--neutral-light);
  border-radius: 0 8px 8px 0;
}

.tech-item h3 {
  color: var(--primary-blue);
  margin-bottom: var(--spacing-sm);
}

/* Testimonials Section */
.testimonials {
  padding: var(--spacing-xxl) 0;
  background: var(--neutral-light);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-lg);
}

.testimonial-card {
  background: var(--white);
  padding: var(--spacing-xl);
  border-radius: 12px;
  box-shadow: var(--shadow-md);
}

.testimonial-content {
  margin-bottom: var(--spacing-lg);
}

.testimonial-content p {
  font-style: italic;
  font-size: 1.125rem;
  line-height: 1.6;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.author-avatar img {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
}

.author-info h4 {
  margin-bottom: var(--spacing-xs);
}

.author-info p {
  color: var(--neutral-gray);
  font-size: 0.875rem;
  margin: 0;
}

/* FAQ Section */
.faq {
  padding: var(--spacing-xxl) 0;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid rgba(0, 102, 204, 0.1);
  margin-bottom: var(--spacing-md);
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) 0;
  cursor: pointer;
  transition: var(--transition-fast);
}

.faq-question:hover {
  color: var(--primary-blue);
}

.faq-toggle {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--primary-blue);
  transition: var(--transition-fast);
}

.faq-item.active .faq-toggle {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: var(--transition-normal);
}

.faq-item.active .faq-answer {
  max-height: 200px;
  padding-bottom: var(--spacing-md);
}

/* Contact Section */
.contact {
  padding: var(--spacing-xxl) 0;
  background: var(--neutral-light);
}

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

.contact-item {
  margin-bottom: var(--spacing-lg);
}

.contact-item h3 {
  color: var(--primary-blue);
  margin-bottom: var(--spacing-sm);
}

.contact-item a {
  color: var(--primary-blue);
  text-decoration: none;
}

.contact-form {
  background: var(--white);
  padding: var(--spacing-xl);
  border-radius: 12px;
  box-shadow: var(--shadow-md);
}

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

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
  color: var(--neutral-dark);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-sm);
  border: 2px solid rgba(0, 102, 204, 0.2);
  border-radius: 8px;
  font-family: var(--font-primary);
  transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.checkbox-group input[type="checkbox"] {
  width: auto;
  margin-top: 4px;
}

.checkbox-group label {
  margin-bottom: 0;
  font-size: 0.875rem;
}

.checkbox-group a {
  color: var(--primary-blue);
}

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

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
}

.footer-section h4 {
  color: var(--accent-cyan);
  margin-bottom: var(--spacing-md);
}

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

.footer-section ul li {
  margin-bottom: var(--spacing-xs);
}

.footer-section a {
  color: var(--white);
  text-decoration: none;
  transition: var(--transition-fast);
}

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

.social-links {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.social-links a {
  display: inline-block;
  width: 40px;
  height: 40px;
  background: var(--primary-blue);
  border-radius: 50%;
  text-align: center;
  line-height: 40px;
  transition: var(--transition-fast);
}

.social-links a:hover {
  background: var(--accent-cyan);
  transform: translateY(-2px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-md);
  text-align: center;
  color: rgba(255, 255, 255, 0.7);
}

/* Responsive Design */
@media (max-width: 768px) {
  :root {
    --spacing-xxl: 2rem;
    --spacing-xl: 1.5rem;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.75rem;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
  }

  .nav-menu.active {
    display: flex;
  }

  .nav-toggle {
    display: flex;
  }

  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-stats {
    justify-content: center;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .solution-item,
  .about-content,
  .contact-content {
    grid-template-columns: 1fr;
  }

  .solution-item.reverse {
    direction: ltr;
  }

  .cookie-content {
    flex-direction: column;
    text-align: center;
  }

  .services-grid,
  .industries-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-xs);
  }

  .hero {
    padding: calc(80px + var(--spacing-lg)) var(--spacing-xs) var(--spacing-lg);
  }

  .service-card,
  .contact-form {
    padding: var(--spacing-md);
  }

  .hero-buttons {
    width: 100%;
  }

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