:root {
  --color-primary: #1E40AF;
  --color-primary-dark: #1E3A8A;
  --color-secondary: #6B7280;
  --color-text: #1F2937;
  --color-text-light: #6B7280;
  --color-bg: #FFFFFF;
  --color-bg-light: #F9FAFB;
  --color-border: #E5E7EB;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --spacing-unit: 8px;
}

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

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 calc(var(--spacing-unit) * 3);
}

h1, h2, h3, h4 {
  line-height: 1.2;
  font-weight: 600;
  color: var(--color-text);
}

h1 {
  font-size: 3rem;
  margin-bottom: calc(var(--spacing-unit) * 2);
}

h2 {
  font-size: 2.25rem;
  margin-bottom: calc(var(--spacing-unit) * 2);
}

h3 {
  font-size: 1.5rem;
  margin-bottom: calc(var(--spacing-unit));
}

h4 {
  font-size: 1.125rem;
  margin-bottom: calc(var(--spacing-unit));
}

p {
  margin-bottom: calc(var(--spacing-unit) * 2);
  line-height: 1.5;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.header {
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: calc(var(--spacing-unit) * 2) 0;
}

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

.logo-wrapper {
  display: flex;
  align-items: center;
  gap: calc(var(--spacing-unit) * 1.5);
}

.logo-icon {
  flex-shrink: 0;
}

.brand-name {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text);
}

.hero {
  padding: calc(var(--spacing-unit) * 10) 0;
  background-color: var(--color-bg-light);
}

.hero .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: calc(var(--spacing-unit) * 4);
}

.hero-content {
  max-width: 800px;
  width: 100%;
}

.hero-content h1 {
  margin-bottom: calc(var(--spacing-unit) * 3);
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--color-text-light);
  margin-bottom: calc(var(--spacing-unit) * 4);
}

.hero-cta {
  display: flex;
  gap: calc(var(--spacing-unit) * 2);
  flex-wrap: wrap;
  justify-content: center;
}

.hero-image {
  width: 100%;
  max-width: 900px;
}

.hero-img {
  width: 100%;
  height: auto;
  border-radius: calc(var(--spacing-unit) * 2);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  object-fit: cover;
}

.placeholder-image {
  width: 100%;
  background-color: var(--color-bg-light);
  border-radius: calc(var(--spacing-unit));
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.feature-img {
  width: 100%;
  height: auto;
  border-radius: calc(var(--spacing-unit));
  object-fit: cover;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.07);
}

.content-img {
  width: 100%;
  height: auto;
  border-radius: calc(var(--spacing-unit));
  object-fit: cover;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.07);
}

.btn {
  display: inline-block;
  padding: calc(var(--spacing-unit) * 1.5) calc(var(--spacing-unit) * 3);
  border-radius: calc(var(--spacing-unit));
  font-weight: 500;
  text-decoration: none;
  text-align: center;
  cursor: pointer;
  border: 2px solid transparent;
}

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

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  text-decoration: none;
}

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

.btn-secondary:hover {
  background-color: var(--color-bg-light);
  text-decoration: none;
}

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

.btn-outline:hover {
  background-color: var(--color-bg-light);
  text-decoration: none;
}

.section {
  padding: calc(var(--spacing-unit) * 10) 0;
}

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

.section-header {
  text-align: center;
  margin-bottom: calc(var(--spacing-unit) * 6);
}

.section-header p {
  font-size: 1.125rem;
  color: var(--color-text-light);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: calc(var(--spacing-unit) * 3);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: calc(var(--spacing-unit) * 3);
}

.card {
  background-color: white;
  padding: calc(var(--spacing-unit) * 4);
  border-radius: calc(var(--spacing-unit));
  border: 1px solid var(--color-border);
  text-align: center;
}

.icon-wrapper {
  margin-bottom: calc(var(--spacing-unit) * 2);
  display: flex;
  justify-content: center;
}

.card h3 {
  margin-bottom: calc(var(--spacing-unit) * 2);
}

.card p {
  color: var(--color-text-light);
  margin-bottom: 0;
}

.feature-grid {
  display: flex;
  flex-direction: column;
  gap: calc(var(--spacing-unit) * 6);
}

.feature-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: calc(var(--spacing-unit) * 6);
  align-items: center;
}

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

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

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

.feature-content h3 {
  margin-bottom: calc(var(--spacing-unit) * 2);
}

.feature-content p {
  color: var(--color-text-light);
  margin-bottom: 0;
}

.benefit-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: calc(var(--spacing-unit) * 2);
  background-color: white;
  padding: calc(var(--spacing-unit) * 3);
  border-radius: calc(var(--spacing-unit));
  border: 1px solid var(--color-border);
}

.benefit-icon {
  flex-shrink: 0;
}

.benefit-card h3 {
  margin-bottom: calc(var(--spacing-unit));
}

.benefit-card p {
  color: var(--color-text-light);
  margin-bottom: 0;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: calc(var(--spacing-unit) * 3);
}

.step {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.step-number {
  width: calc(var(--spacing-unit) * 8);
  height: calc(var(--spacing-unit) * 8);
  border-radius: 50%;
  background-color: var(--color-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 600;
  margin: 0 auto calc(var(--spacing-unit) * 2);
}

.step h3 {
  margin-bottom: calc(var(--spacing-unit) * 2);
}

.step p {
  color: var(--color-text-light);
  margin-bottom: 0;
}

.plan-card {
  background-color: white;
  padding: calc(var(--spacing-unit) * 4);
  border-radius: calc(var(--spacing-unit));
  border: 2px solid var(--color-border);
  position: relative;
  text-align: center;
  display: flex;
  flex-direction: column;
}

.plan-featured {
  border-color: var(--color-primary);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.plan-badge {
  position: absolute;
  top: calc(var(--spacing-unit) * -1.5);
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-primary);
  color: white;
  padding: calc(var(--spacing-unit) * 0.5) calc(var(--spacing-unit) * 2);
  border-radius: calc(var(--spacing-unit) * 2);
  font-size: 0.875rem;
  font-weight: 600;
}

.plan-card h3 {
  margin-bottom: calc(var(--spacing-unit) * 2);
}

.plan-price {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: calc(var(--spacing-unit) * 2);
}

.plan-period {
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-text-light);
}

.plan-desc {
  color: var(--color-text-light);
  margin-bottom: calc(var(--spacing-unit) * 3);
}

.plan-features {
  list-style: none;
  margin-bottom: calc(var(--spacing-unit) * 4);
}

.plan-features li {
  padding: calc(var(--spacing-unit)) 0;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-light);
}

.plan-features li:last-child {
  border-bottom: none;
}

.plan-card .btn {
  width: 100%;
  margin-top: auto;
}

.content-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: calc(var(--spacing-unit) * 6);
  align-items: center;
}

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

.content-text p {
  font-size: 1.125rem;
  line-height: 1.5;
}

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

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

.cta-content h2 {
  color: white;
  margin-bottom: calc(var(--spacing-unit) * 2);
}

.cta-content p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.25rem;
  margin-bottom: calc(var(--spacing-unit) * 4);
}

.cta-buttons {
  display: flex;
  gap: calc(var(--spacing-unit) * 2);
  justify-content: center;
  flex-wrap: wrap;
}

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

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: calc(var(--spacing-unit) * 4);
}

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

.contact-icon {
  margin-bottom: calc(var(--spacing-unit) * 2);
}

.contact-item h3 {
  margin-bottom: calc(var(--spacing-unit) * 2);
}

.contact-item a {
  font-size: 1.125rem;
}

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

.footer {
  background-color: var(--color-text);
  color: white;
  padding: calc(var(--spacing-unit) * 8) 0 calc(var(--spacing-unit) * 3);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 2fr 1.5fr;
  gap: calc(var(--spacing-unit) * 6);
  margin-bottom: calc(var(--spacing-unit) * 5);
}

.footer-brand-section .logo-wrapper .brand-name {
  color: white;
}

.footer-tagline {
  color: rgba(255, 255, 255, 0.7);
  margin-top: calc(var(--spacing-unit) * 2);
  margin-bottom: 0;
}

.footer-nav-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: calc(var(--spacing-unit) * 4);
}

.footer-nav-column h4 {
  color: white;
  margin-bottom: calc(var(--spacing-unit) * 2);
}

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

.footer-nav-column li {
  margin-bottom: calc(var(--spacing-unit));
}

.footer-nav-column a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9375rem;
}

.footer-nav-column a:hover {
  color: white;
}

.footer-contact-section h4 {
  color: white;
  margin-bottom: calc(var(--spacing-unit) * 2);
}

.footer-contact-info {
  display: flex;
  flex-direction: column;
  gap: calc(var(--spacing-unit) * 1.5);
}

.footer-contact-item {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9375rem;
}

.footer-contact-item:hover {
  color: white;
}

.footer-address {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
  line-height: 1.6;
  margin-top: calc(var(--spacing-unit));
  margin-bottom: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: calc(var(--spacing-unit) * 3);
  text-align: center;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0;
}

@media (max-width: 1024px) {
  h1 {
    font-size: 2.5rem;
  }

  h2 {
    font-size: 2rem;
  }

  .feature-item {
    grid-template-columns: 1fr;
  }

  .content-block {
    grid-template-columns: 1fr;
  }

  .steps {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .footer-nav-section {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.75rem;
  }

  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }

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

  .hero-cta .btn {
    width: 100%;
  }

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

  .footer-nav-section {
    grid-template-columns: 1fr;
  }

  .plan-price {
    font-size: 2rem;
  }
}