:root {
  --primary-color: #344CB7;
  --secondary-color: #000957;
  --accent-color: #577BC1;
  --light-color: #E8EFFF;
  --dark-color: #0F0766;
  --gradient-primary: linear-gradient(135deg, #577BC1 0%, #344CB7 100%);
  --hover-color: #2A3D94;
  --background-color: #F8FBFF;
  --text-color: #2C3D4F;
  --border-color: rgba(87, 123, 193, 0.25);
  --divider-color: rgba(52, 76, 183, 0.12);
  --shadow-color: rgba(15, 7, 102, 0.15);
  --highlight-color: #F59D2A;
  --main-font: 'Oswald', sans-serif;
  --alt-font: 'Lato', sans-serif;
}

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

body {
  font-family: var(--alt-font);
  background-color: var(--background-color);
  color: var(--text-color);
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

.bg-pattern {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: 0.4;
  pointer-events: none;
}

header {
  background: linear-gradient(135deg, var(--dark-color) 0%, var(--secondary-color) 100%);
  padding: 1.5rem 2rem;
  position: relative;
  z-index: 20;
  box-shadow: 0 4px 12px var(--shadow-color);
}

.header-content {
  max-width: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-decoration {
  position: absolute;
  right: 5%;
  top: 50%;
  transform: translateY(-50%);
  opacity: 0.15;
  width: 120px;
  height: 120px;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-icon {
  width: 48px;
  height: 48px;
}

.logo-text {
  font-family: var(--main-font);
  font-size: 1.75rem;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: 1px;
}

main {
  flex: 1;
  display: flex;
  align-items: center;
  position: relative;
  z-index: 10;
  padding: 3rem 1.5rem;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.product-section {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 2.5rem;
  align-items: start;
}

.left-column {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.product-image-wrapper {
  background: #FFFFFF;
  border: 2px solid var(--border-color);
  border-radius: 16px;
  padding: 2rem;
  box-shadow: 0 8px 24px var(--shadow-color);
  text-align: center;
}

.product-image {
  width: 100%;
  max-width: 380px;
  height: auto;
  display: block;
  margin: 0 auto;
}

.guarantee-box {
  background: linear-gradient(135deg, #FFF8F0 0%, #FFEDE0 100%);
  border: 3px solid var(--highlight-color);
  border-radius: 12px;
  padding: 1.75rem;
  box-shadow: 0 6px 20px rgba(245, 157, 42, 0.2);
  position: relative;
  overflow: hidden;
}

.guarantee-box::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(245, 157, 42, 0.1) 0%, transparent 70%);
  animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.1); opacity: 0.8; }
}

.guarantee-box h3 {
  font-family: var(--main-font);
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-bottom: 0.75rem;
  position: relative;
  z-index: 1;
}

.guarantee-box p {
  font-size: 1rem;
  color: var(--text-color);
  line-height: 1.7;
  position: relative;
  z-index: 1;
}

.price-cta-box {
  background: #FFFFFF;
  border: 2px solid var(--border-color);
  border-radius: 12px;
  padding: 1.75rem;
  box-shadow: 0 6px 18px var(--shadow-color);
  text-align: center;
}

.price-display {
  font-family: var(--main-font);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 1.25rem;
}

.cta-button {
  display: inline-block;
  background: var(--gradient-primary);
  color: #FFFFFF;
  font-family: var(--main-font);
  font-size: 1.25rem;
  font-weight: 600;
  padding: 1rem 2.5rem;
  border-radius: 8px;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(52, 76, 183, 0.3);
  border: none;
  cursor: pointer;
}

.cta-button:hover {
  background: linear-gradient(135deg, #4A5FD8 0%, #2A3D94 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(52, 76, 183, 0.4);
}

.right-column {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.content-box {
  background: #FFFFFF;
  border: 2px solid var(--border-color);
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 6px 18px var(--shadow-color);
}

.content-box h2 {
  font-family: var(--main-font);
  font-size: 1.75rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.content-box p {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-color);
  margin-bottom: 0.75rem;
}

.highlight-box {
  background: linear-gradient(135deg, #FFF8F0 0%, #FFE8D0 100%);
  border: 3px solid var(--highlight-color);
  border-radius: 12px;
  padding: 1.75rem;
  text-align: center;
  box-shadow: 0 8px 24px rgba(245, 157, 42, 0.25);
}

.highlight-box p {
  font-family: var(--main-font);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--dark-color);
  margin: 0;
}

.features-list {
  list-style: none;
  display: grid;
  gap: 1.25rem;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem;
  background: var(--light-color);
  border-radius: 8px;
  transition: transform 0.2s ease;
}

.feature-item:hover {
  transform: translateX(5px);
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 4px 12px var(--shadow-color);
}

.feature-icon svg {
  width: 28px;
  height: 28px;
  fill: #FFFFFF;
}

.feature-text h3 {
  font-family: var(--main-font);
  font-size: 1.15rem;
  color: var(--primary-color);
  margin-bottom: 0.35rem;
}

.feature-text p {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-color);
  margin: 0;
}

.testimonials-section {
  background: linear-gradient(135deg, var(--secondary-color) 0%, var(--dark-color) 100%);
  padding: 4rem 1.5rem;
  margin-top: 3rem;
  position: relative;
  z-index: 10;
}

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

.testimonials-title {
  font-family: var(--main-font);
  font-size: 2.25rem;
  color: #FFFFFF;
  text-align: center;
  margin-bottom: 2.5rem;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.testimonial-card {
  background: rgba(255, 255, 255, 0.95);
  border-radius: 12px;
  padding: 1.75rem;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.testimonial-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.testimonial-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.testimonial-avatar svg {
  width: 28px;
  height: 28px;
  fill: #FFFFFF;
}

.testimonial-author h4 {
  font-family: var(--main-font);
  font-size: 1.1rem;
  color: var(--primary-color);
  margin-bottom: 0.15rem;
}

.testimonial-rating {
  color: var(--highlight-color);
  font-size: 0.9rem;
}

.testimonial-text {
  font-size: 0.98rem;
  line-height: 1.7;
  color: var(--text-color);
  font-style: italic;
}

footer {
  background: linear-gradient(135deg, var(--dark-color) 0%, var(--secondary-color) 100%);
  color: rgba(255, 255, 255, 0.9);
  padding: 2.5rem 2rem;
  position: relative;
  z-index: 20;
  margin-top: auto;
}

.footer-content {
  max-width: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 2rem;
}

.footer-logo-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.footer-logo-icon {
  width: 40px;
  height: 40px;
}

.footer-logo-text {
  font-family: var(--main-font);
  font-size: 1.5rem;
  font-weight: 700;
  color: #FFFFFF;
}

.footer-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-nav a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.3s ease;
}

.footer-nav a:hover {
  color: #FFFFFF;
}

.footer-bottom {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  text-align: center;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.75);
}

.footer-bottom a {
  color: var(--highlight-color);
  text-decoration: none;
  font-weight: 600;
}

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

@media (max-width: 1024px) {
  .product-section {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .header-decoration {
    display: none;
  }
}

@media (max-width: 768px) {
  header {
    padding: 1rem 1.5rem;
  }

  .logo-text {
    font-size: 1.4rem;
  }

  .logo-icon {
    width: 40px;
    height: 40px;
  }

  main {
    padding: 2rem 1rem;
  }

  .content-box h2 {
    font-size: 1.5rem;
  }

  .testimonials-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

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

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

  .footer-nav ul {
    flex-direction: column;
    align-items: center;
    gap: 1rem;
  }

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