/* Modern Professional Styles for ZVS Computer */
/* Color Scheme: Dark theme with cyan/accent blue */

:root {
  --primary: #0891b2;
  --primary-dark: #0e7490;
  --primary-light: #22d3ee;
  --accent: #06b6d4;
  --dark: #0f172a;
  --dark-light: #1e293b;
  --dark-lighter: #334155;
  --gray: #64748b;
  --light: #94a3b8;
  --lighter: #cbd5e1;
  --white: #ffffff;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  
  --font-main: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow: 0 4px 6px -1px rgba(0,0,0,0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.3);
  --radius: 8px;
  --radius-lg: 12px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  background-color: var(--dark);
  color: var(--lighter);
  line-height: 1.6;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Navigation */
.navbar {
  background: var(--dark-light);
  border-bottom: 1px solid var(--dark-lighter);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--white);
  font-size: 1.5rem;
  font-weight: 700;
}

.logo-icon {
  font-size: 2rem;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 32px;
}

.nav-link {
  color: var(--light);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
  padding: 8px 0;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-light);
}

.nav-cta {
  background: var(--primary);
  color: var(--white);
  padding: 10px 24px;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s;
}

.nav-cta:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
}

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

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-light) 100%);
  padding: 100px 0 80px;
  text-align: center;
  border-bottom: 1px solid var(--dark-lighter);
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 24px;
  line-height: 1.2;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--light);
  max-width: 700px;
  margin: 0 auto 40px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.hero-badges {
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
}

.badge {
  color: var(--primary-light);
  font-weight: 500;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s;
  border: 2px solid transparent;
  cursor: pointer;
  font-size: 1rem;
}

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

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

.btn-secondary {
  background: var(--dark-lighter);
  color: var(--white);
}

.btn-secondary:hover {
  background: var(--gray);
}

.btn-outline {
  border-color: var(--primary);
  color: var(--primary-light);
}

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

.btn-outline-light {
  border-color: var(--light);
  color: var(--lighter);
}

.btn-outline-light:hover {
  background: var(--lighter);
  color: var(--dark);
}

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

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

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

/* Sections */
.section {
  padding: 80px 0;
}

.section-gray {
  background: var(--dark-light);
}

.section-dark {
  background: var(--dark);
  border-top: 1px solid var(--dark-lighter);
  border-bottom: 1px solid var(--dark-lighter);
}

.section-accent {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--light);
  max-width: 600px;
  margin: 0 auto;
}

.section-footer {
  text-align: center;
  margin-top: 48px;
}

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--dark);
  border: 1px solid var(--dark-lighter);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all 0.3s;
}

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

.service-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.service-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 12px;
}

.service-desc {
  color: var(--light);
  margin-bottom: 16px;
}

.service-link {
  color: var(--primary-light);
  text-decoration: none;
  font-weight: 600;
}

.service-link:hover {
  text-decoration: underline;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
}

.feature {
  text-align: center;
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 12px;
}

.feature-desc {
  color: var(--light);
}

/* Testimonials */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.testimonial-card {
  background: var(--dark-light);
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 1px solid var(--dark-lighter);
}

.testimonial-stars {
  color: var(--warning);
  font-size: 1.25rem;
  margin-bottom: 16px;
}

.testimonial-text {
  font-style: italic;
  color: var(--lighter);
  margin-bottom: 16px;
  font-size: 1.1rem;
}

.testimonial-author {
  color: var(--primary-light);
  font-weight: 600;
}

/* CTA Box */
.cta-box {
  text-align: center;
  padding: 20px;
}

.cta-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
}

.cta-text {
  font-size: 1.125rem;
  color: rgba(255,255,255,0.9);
  margin-bottom: 32px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Footer */
.footer {
  background: var(--dark-light);
  border-top: 1px solid var(--dark-lighter);
  padding: 60px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
}

.footer-desc {
  color: var(--light);
}

.footer-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 16px;
}

.footer-menu {
  list-style: none;
}

.footer-menu li {
  margin-bottom: 8px;
}

.footer-menu a {
  color: var(--light);
  text-decoration: none;
  transition: color 0.3s;
}

.footer-menu a:hover {
  color: var(--primary-light);
}

.footer-contact p {
  margin-bottom: 8px;
  color: var(--light);
}

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

.footer-contact a:hover {
  text-decoration: underline;
}

.footer-bottom {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid var(--dark-lighter);
  color: var(--gray);
}

/* Page Header */
.page-header {
  background: linear-gradient(135deg, var(--dark-light) 0%, var(--dark) 100%);
  padding: 60px 0;
  text-align: center;
  border-bottom: 1px solid var(--dark-lighter);
}

.page-title {
  font-size: 3rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
}

.page-subtitle {
  font-size: 1.25rem;
  color: var(--light);
  max-width: 700px;
  margin: 0 auto;
}

/* Content Cards */
.card {
  background: var(--dark-light);
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 1px solid var(--dark-lighter);
}

.card-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 16px;
}

.card-text {
  color: var(--light);
  margin-bottom: 16px;
}

/* Services Detail Page */
.service-detail {
  margin-bottom: 48px;
}

.service-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.service-icon-large {
  font-size: 3rem;
}

.service-detail-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--white);
}

/* Contact Form */
.contact-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 32px;
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  color: var(--lighter);
  font-weight: 500;
  margin-bottom: 8px;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--dark);
  border: 1px solid var(--dark-lighter);
  border-radius: var(--radius);
  color: var(--white);
  font-size: 1rem;
  transition: border-color 0.3s;
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary);
}

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

/* Responsive */
@media (max-width: 768px) {
  .mobile-toggle {
    display: block;
  }
  
  .nav-menu {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--dark-light);
    flex-direction: column;
    padding: 24px;
    gap: 0;
    border-top: 1px solid var(--dark-lighter);
    display: none;
  }
  
  .nav-menu.active {
    display: flex;
  }
  
  .nav-menu li {
    border-bottom: 1px solid var(--dark-lighter);
  }
  
  .nav-link {
    display: block;
    padding: 16px 0;
  }
  
  .nav-cta {
    display: none;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.125rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .services-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 60px 0 40px;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .section {
    padding: 60px 0;
  }
  
  .btn {
    width: 100%;
    justify-content: center;
  }
  
  .hero-buttons {
    flex-direction: column;
  }
  
  .cta-buttons {
    flex-direction: column;
  }
}

/* Dropdown Menu Styles */
.nav-dropdown {
  position: relative;
}

.nav-dropdown .dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--dark);
  border: 1px solid var(--dark-lighter);
  border-radius: 8px;
  min-width: 200px;
  z-index: 1000;
  padding: 8px 0;
  box-shadow: var(--shadow-lg);
  list-style: none;
}

.nav-dropdown:hover .dropdown-menu {
  display: block;
}

.dropdown-menu li {
  list-style: none;
}

.dropdown-menu a {
  display: block;
  padding: 10px 20px;
  color: var(--light);
  text-decoration: none;
  transition: all 0.3s;
}

.dropdown-menu a:hover {
  background: var(--dark-lighter);
  color: var(--primary-light);
}

/* Mobile dropdown adjustments */
@media (max-width: 768px) {
  .nav-dropdown .dropdown-menu {
    position: static;
    display: none;
    border: none;
    box-shadow: none;
    padding-left: 20px;
  }
  
  .nav-dropdown.active .dropdown-menu {
    display: block;
  }
}