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

:root {
  --primary-dark: #0b2b4a;
  --primary-cyan: #00d4ff;
  --accent-orange: #ff8c42;
  --accent-yellow: #ffc107;
  --bg-light: #ffffff;
  --bg-gray: #f8f9fa;
  --text-dark: #0b2b4a;
  --text-light: #666666;
  --border-color: #e5e7eb;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text-dark);
  line-height: 1.6;
  background-color: var(--bg-light);
}

/* Header & Navigation */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--bg-light);
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.header-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: bold;
  font-size: 1.25rem;
  color: var(--primary-dark);
  text-decoration: none;
}

.logo-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-cyan));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 0.75rem;
  font-weight: bold;
}

nav {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

nav a {
  padding: 0.5rem 0.75rem;
  text-decoration: none;
  color: var(--text-dark);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 0.5rem;
  transition: all 0.3s ease;
}

nav a:hover {
  background-color: var(--bg-gray);
  color: var(--primary-dark);
}

nav a.active {
  color: var(--accent-orange);
  background-color: rgba(255, 140, 66, 0.1);
}

.cta-button {
  background-color: var(--accent-orange);
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.875rem;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.cta-button:hover {
  background-color: #ff7a1f;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(255, 140, 66, 0.3);
}

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

/* Container */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Hero Section */
.hero {
  position: relative;
  padding: 5rem 1rem;
  background: linear-gradient(135deg, rgba(11, 43, 74, 0.9) 0%, rgba(30, 123, 142, 0.8) 100%);
  color: white;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 600"><defs><pattern id="grid" width="40" height="40" patternUnits="userSpaceOnUse"><path d="M 40 0 L 0 0 0 40" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="1000" height="600" fill="url(%23grid)"/></svg>');
  opacity: 0.5;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 600px;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.hero p {
  font-size: 1.125rem;
  margin-bottom: 2rem;
  opacity: 0.95;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  padding: 0.875rem 2rem;
  border-radius: 0.5rem;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

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

.btn-primary:hover {
  background-color: #ff7a1f;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(255, 140, 66, 0.4);
}

.btn-secondary {
  background-color: transparent;
  color: white;
  border: 2px solid white;
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

/* Sections */
section {
  padding: 4rem 1rem;
}

section h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--primary-dark);
}

section > .container > p {
  font-size: 1.125rem;
  color: var(--text-light);
  max-width: 600px;
  margin-bottom: 3rem;
}

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.service-card {
  background-color: var(--bg-light);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  padding: 2rem;
  transition: all 0.3s ease;
}

.service-card:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  transform: translateY(-4px);
}

.service-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--accent-orange), #ff7a1f);
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.service-card h3 {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
  color: var(--primary-dark);
}

.service-card p {
  color: var(--text-light);
  font-size: 0.95rem;
}

/* Pricing Grid */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.pricing-card {
  background-color: var(--bg-light);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  padding: 2rem;
  transition: all 0.3s ease;
}

.pricing-card.featured {
  border: 2px solid var(--accent-orange);
  box-shadow: 0 8px 24px rgba(255, 140, 66, 0.2);
  transform: scale(1.05);
}

.pricing-badge {
  display: inline-block;
  background-color: var(--accent-orange);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.pricing-card h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--primary-dark);
}

.pricing-card .price {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent-orange);
  margin: 1rem 0;
}

.pricing-card .price small {
  font-size: 0.875rem;
  color: var(--text-light);
  font-weight: 400;
}

.pricing-features {
  list-style: none;
  margin: 1.5rem 0;
}

.pricing-features li {
  padding: 0.5rem 0;
  color: var(--text-light);
  font-size: 0.95rem;
}

.pricing-features li::before {
  content: '✓ ';
  color: var(--accent-orange);
  font-weight: 700;
  margin-right: 0.5rem;
}

/* FAQ */
.faq-item {
  background-color: var(--bg-light);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  margin-bottom: 1rem;
  overflow: hidden;
}

.faq-question {
  padding: 1.5rem;
  background-color: var(--bg-light);
  border: none;
  width: 100%;
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary-dark);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.3s ease;
}

.faq-question:hover {
  background-color: var(--bg-gray);
}

.faq-toggle {
  font-size: 1.5rem;
  transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  padding: 0 1.5rem;
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 0 1.5rem 1.5rem;
}

.faq-answer p {
  color: var(--text-light);
  line-height: 1.8;
}

/* Form */
.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--primary-dark);
  font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  font-family: inherit;
  font-size: 1rem;
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-orange);
  box-shadow: 0 0 0 3px rgba(255, 140, 66, 0.1);
}

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

.success-message {
  display: none;
  background-color: #dcfce7;
  border: 1px solid #86efac;
  border-radius: 0.5rem;
  padding: 1.5rem;
  text-align: center;
  margin-bottom: 1.5rem;
}

.success-message.show {
  display: block;
}

.success-message p {
  color: #166534;
  font-weight: 600;
  font-size: 1.125rem;
}

/* Footer */
footer {
  background-color: var(--primary-dark);
  color: white;
  padding: 3rem 1rem 1.5rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h4 {
  font-size: 1rem;
  margin-bottom: 1rem;
  font-weight: 600;
}

.footer-section p,
.footer-section a {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  margin-bottom: 0.5rem;
  display: block;
  transition: color 0.3s ease;
}

.footer-section a:hover {
  color: white;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
}

/* Responsive */
@media (max-width: 768px) {
  nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background-color: var(--bg-light);
    flex-direction: column;
    gap: 0;
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
  }

  nav.active {
    display: flex;
  }

  nav a {
    padding: 0.75rem 1rem;
    border-radius: 0;
  }

  .menu-toggle {
    display: block;
  }

  .hero h1 {
    font-size: 2rem;
  }

  section h2 {
    font-size: 2rem;
  }

  .pricing-card.featured {
    transform: scale(1);
  }

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

  .hero-buttons {
    flex-direction: column;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

  .footer-bottom {
    flex-direction: column;
  }
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.mt-4 {
  margin-top: 2rem;
}

.mb-4 {
  margin-bottom: 2rem;
}

.bg-gray {
  background-color: var(--bg-gray);
}

.hidden {
  display: none;
}