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

:root {
  --primary-color: #1a365d;
  --primary-dark: #0f2547;
  --primary-light: #2d4a8a;
  --secondary-color: #047857;
  --accent-color: #dc2626;
  --accent-blue: #3b82f6;
  --accent-purple: #8b5cf6;
  --accent-teal: #14b8a6;
  --text-dark: #1f2937;
  --text-light: #6b7280;
  --bg-light: #f8fafc;
  --bg-white: #ffffff;
  --border-color: #e5e7eb;
  --success-color: #059669;
  --danger-color: #dc2626;
  --warning-color: #d97706;
  --shadow-base: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-small: 0 4px 8px rgba(0, 0, 0, 0.08);
  --shadow-medium: 0 8px 16px rgba(0, 0, 0, 0.1);
  --shadow-large: 0 12px 24px rgba(0, 0, 0, 0.12);
  --shadow-hover: 0 16px 32px rgba(0, 0, 0, 0.15);
  --gradient-primary: linear-gradient(135deg, #1a365d 0%, #2d4a8a 100%);
  --gradient-hero: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 50%, #f8fafc 100%);
  --gradient-accent: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--bg-white);
  font-size: 14px;
  font-weight: 400;
}

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

/* Typography */
.section-title {
  font-size: 2rem;
  font-weight: 600;
  text-align: center;
  margin-bottom: 1rem;
  color: var(--primary-color);
  letter-spacing: -0.025em;
}

.section-subtitle {
  text-align: center;
  font-size: 1.1rem;
  color: var(--text-light);
  margin-bottom: 3rem;
  font-weight: 400;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  z-index: 1000;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(229, 231, 235, 0.5);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.logo-icon {
  font-size: 1.25rem;
  font-weight: 700;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.025em;
}

.brand-name {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--primary-color);
  letter-spacing: -0.025em;
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 3px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-toggle span {
  width: 20px;
  height: 2px;
  background-color: var(--primary-color);
  transition: all 0.3s ease;
}

.mobile-toggle.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-toggle.open span:nth-child(2) {
  opacity: 0;
}

.mobile-toggle.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

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

.nav-menu a {
  text-decoration: none;
  color: var(--text-dark);
  font-weight: 500;
  font-size: 0.9rem;
  transition: color 0.2s ease;
  letter-spacing: -0.01em;
}

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

.nav-cta {
  background: var(--primary-color);
  color: var(--bg-white) !important;
  padding: 0.5rem 1.25rem;
  border-radius: 6px;
  transition: background 0.2s ease;
  font-size: 0.9rem;
}

.nav-cta:hover {
  background: var(--primary-dark);
}

/* Hero Section */
.hero {
  margin-top: 80px;
  padding: 5rem 0;
  background: var(--gradient-hero);
  border-bottom: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
  padding: 0 1rem;
}

.trust-badges {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.trust-badges span {
  background: var(--bg-white);
  color: var(--text-light);
  padding: 0.625rem 1.25rem;
  border-radius: 24px;
  font-size: 0.85rem;
  font-weight: 500;
  border: 2px solid var(--border-color);
  box-shadow: var(--shadow-small);
  transition: all 0.3s ease;
  white-space: nowrap;
}

.trust-badges span:hover {
  border-color: var(--accent-blue);
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

.hero-title {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 1.75rem;
  color: var(--primary-color);
  line-height: 1.15;
  letter-spacing: -0.025em;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-light);
  margin-bottom: 2.5rem;
  font-weight: 400;
  line-height: 1.7;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.2s ease;
  border: none;
  cursor: pointer;
  font-size: 0.9rem;
  letter-spacing: -0.01em;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--bg-white);
  box-shadow: var(--shadow-small);
}

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

.cta-section .btn-primary {
  background: var(--bg-white);
  color: var(--primary-color);
  font-weight: 600;
}

.cta-section .btn-primary:hover {
  background: var(--bg-light);
  color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

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

.btn-secondary:hover {
  background: var(--bg-light);
  border-color: var(--primary-color);
  transform: translateY(-1px);
}

.btn-large {
  padding: 0.875rem 2rem;
  font-size: 0.95rem;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-top: 3rem;
  padding-top: 3rem;
  border-top: 1px solid var(--border-color);
}

.stat {
  text-align: center;
}

.stat-number {
  font-size: 2.25rem;
  font-weight: 800;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-light);
  font-weight: 500;
}

/* Problem Section */
.problem-section {
  padding: 4rem 0;
  background: var(--bg-white);
}

.problem-card {
  background: linear-gradient(135deg, #ffffff 0%, #fef3f2 100%);
  padding: 3rem;
  border-radius: 12px;
  box-shadow: var(--shadow-large);
  max-width: 1000px;
  margin: 0 auto;
  border: 2px solid #fed7d7;
}

.problem-card h3 {
  font-size: 1.5rem;
  margin-bottom: 2.5rem;
  color: var(--text-dark);
  text-align: center;
  font-weight: 600;
}

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

.problem-item h4 {
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
  color: var(--primary-color);
  font-weight: 600;
}

.problem-item p {
  color: var(--text-light);
  line-height: 1.6;
  font-size: 0.9rem;
}

/* Features Section */
.features-section {
  padding: 4rem 0;
  background: var(--bg-light);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.feature-card {
  background: var(--bg-white);
  padding: 2rem;
  border-radius: 12px;
  box-shadow: var(--shadow-medium);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--accent-blue);
  transition: all 0.3s ease;
}

.feature-card:nth-child(2n) {
  border-left-color: var(--accent-purple);
}

.feature-card:nth-child(3n) {
  border-left-color: var(--accent-teal);
}

.feature-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px) scale(1.02);
}

.feature-content h3 {
  font-size: 1.2rem;
  margin-bottom: 1rem;
  color: var(--primary-color);
  font-weight: 600;
}

.feature-content p {
  color: var(--text-light);
  line-height: 1.6;
  font-size: 0.9rem;
}

/* Benefits Section */
.benefits-section {
  padding: 4rem 0;
  background: var(--bg-white);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.benefit-card {
  background: var(--bg-white);
  padding: 2rem;
  border-radius: 12px;
  box-shadow: var(--shadow-medium);
  border: 1px solid var(--border-color);
  border-top: 3px solid var(--secondary-color);
  transition: all 0.3s ease;
}

.benefit-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  border-top-width: 5px;
}

.benefit-card h3 {
  font-size: 1.1rem;
  margin-bottom: 1rem;
  color: var(--primary-color);
  font-weight: 600;
}

.benefit-card p {
  color: var(--text-light);
  line-height: 1.6;
  font-size: 0.9rem;
}

/* Comparison Section */
.comparison-section {
  padding: 4rem 0;
  background: var(--bg-light);
}

.comparison-table {
  max-width: 900px;
  margin: 3rem auto;
  overflow-x: auto;
}

table {
  width: 100%;
  background: var(--bg-white);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-medium);
  border: 1px solid var(--border-color);
}

thead {
  background: var(--primary-color);
  color: var(--bg-white);
}

th, td {
  padding: 1.25rem;
  text-align: left;
  font-size: 0.9rem;
}

th {
  font-weight: 600;
  font-size: 0.95rem;
}

tbody tr {
  border-bottom: 1px solid var(--border-color);
}

tbody tr:last-child {
  border-bottom: none;
}

tbody tr:hover {
  background: var(--bg-light);
}

.check {
  color: var(--success-color);
  font-weight: 600;
  font-size: 0.9rem;
}

.cross {
  color: var(--danger-color);
  font-weight: 600;
  font-size: 0.9rem;
}

.partial {
  color: var(--warning-color);
  font-weight: 600;
  font-size: 0.9rem;
}

.affordable {
  color: var(--success-color);
  font-weight: 600;
  font-size: 0.9rem;
}

.expensive {
  color: var(--danger-color);
  font-weight: 600;
  font-size: 0.9rem;
}

/* Solutions Section */
.solutions-section {
  padding: 4rem 0;
  background: var(--bg-white);
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.solution-card {
  background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
  padding: 2rem;
  border-radius: 12px;
  box-shadow: var(--shadow-medium);
  border: 2px solid var(--border-color);
  text-align: center;
  transition: all 0.3s ease;
}

.solution-card:hover {
  box-shadow: var(--shadow-hover);
  border-color: var(--accent-blue);
  transform: translateY(-4px);
  background: var(--bg-white);
}

.solution-card h3 {
  font-size: 1.1rem;
  margin-bottom: 1rem;
  color: var(--primary-color);
  font-weight: 600;
}

.solution-card p {
  color: var(--text-light);
  line-height: 1.6;
  font-size: 0.9rem;
}

/* CTA Section */
.cta-section {
  padding: 5rem 0;
  background: var(--gradient-primary);
  color: var(--bg-white);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 10% 20%, rgba(59, 130, 246, 0.2) 0%, transparent 50%),
    radial-gradient(circle at 90% 80%, rgba(139, 92, 246, 0.2) 0%, transparent 50%);
  pointer-events: none;
}

.cta-content {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.cta-content h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--bg-white);
}

.cta-content > p {
  font-size: 1.1rem;
  margin-bottom: 2.5rem;
  color: var(--bg-white);
  font-weight: 400;
}

.contact-form {
  margin-top: 2rem;
  text-align: left;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}

.form-group {
  width: 100%;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 0.875rem;
  border: 2px solid var(--bg-white);
  border-radius: 6px;
  font-size: 0.9rem;
  font-family: inherit;
  background: var(--bg-white);
  color: var(--text-dark);
  transition: all 0.2s ease;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--secondary-color);
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.3);
}

.contact-form textarea {
  resize: vertical;
  min-height: 100px;
}

.form-message {
  margin-top: 1rem;
  padding: 1rem;
  border-radius: 6px;
  display: none;
  font-size: 0.9rem;
}

.form-message.success {
  display: block;
  background: var(--success-color);
  color: var(--bg-white);
}

.form-message.error {
  display: block;
  background: var(--danger-color);
  color: var(--bg-white);
}

/* Footer */
.footer {
  background: var(--text-dark);
  color: var(--bg-white);
  padding: 3rem 0 1rem;
}

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

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

.footer-brand .logo-icon {
  font-size: 1.5rem;
  font-weight: 700;
}

.footer-brand .brand-name {
  font-size: 1.25rem;
  font-weight: 600;
}

.footer-brand p {
  opacity: 0.8;
  font-size: 0.9rem;
}

.footer-links h4,
.footer-contact h4 {
  margin-bottom: 1rem;
  color: var(--bg-white);
  font-size: 1rem;
  font-weight: 600;
}

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

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

.footer-links a {
  color: var(--bg-white);
  text-decoration: none;
  opacity: 0.8;
  font-size: 0.9rem;
  transition: opacity 0.2s ease;
}

.footer-links a:hover {
  opacity: 1;
}

.footer-contact p {
  margin-bottom: 0.5rem;
  opacity: 0.8;
  font-size: 0.9rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1rem;
  text-align: center;
  opacity: 0.7;
  font-size: 0.8rem;
}

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

/* Responsive Design */
@media (max-width: 768px) {
  .mobile-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    flex-direction: column;
    background: var(--bg-white);
    width: 100%;
    padding: 2rem;
    box-shadow: var(--shadow-medium);
    transition: left 0.3s ease;
    gap: 1rem;
  }

  .nav-menu.active {
    left: 0;
  }

  .hero {
    margin-top: 70px;
    padding: 3rem 0;
  }

  .hero-title {
    font-size: 2rem;
    line-height: 1.2;
  }

  .hero-subtitle {
    font-size: 1.05rem;
    margin-bottom: 2rem;
  }
  
  .trust-badges {
    gap: 0.75rem;
    margin-bottom: 2rem;
  }

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

  .hero-stats {
    flex-direction: column;
    gap: 1.5rem;
  }

  .problem-section,
  .features-section,
  .benefits-section,
  .comparison-section,
  .solutions-section,
  .cta-section {
    padding: 3rem 0;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

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

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

  .trust-badges {
    gap: 0.5rem;
  }

  .trust-badges span {
    font-size: 0.75rem;
    padding: 0.375rem 0.75rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero-title {
    font-size: 1.75rem;
  }

  .problem-card,
  .feature-card,
  .benefit-card,
  .solution-card {
    padding: 1.5rem;
  }

  th, td {
    padding: 1rem;
    font-size: 0.8rem;
  }
}