:root {
  --primary-color: #2980B9;
  --secondary-color: #1A5276;
  --accent-color: #5DADE2;
  --light-color: #EBF5FB;
  --dark-color: #0B2F47;
  --gradient-primary: linear-gradient(135deg, #5DADE2 0%, #2980B9 100%);
  --hover-color: #21618C;
  --background-color: #F8FCFF;
  --text-color: #34495D;
  --border-color: rgba(93, 173, 226, 0.25);
  --divider-color: rgba(26, 82, 118, 0.12);
  --shadow-color: rgba(41, 128, 185, 0.15);
  --highlight-color: #F39C12;
  --main-font: 'Oswald', sans-serif;
  --alt-font: 'Open Sans', 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;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow-x: hidden;
}

.bg-pattern {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: 0.03;
  pointer-events: none;
}

header {
  background: var(--gradient-primary);
  padding: 1.5rem 2rem;
  position: relative;
  z-index: 20;
  box-shadow: 0 2px 10px var(--shadow-color);
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: white;
  text-decoration: none;
  font-family: var(--main-font);
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: 1px;
}

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

.header-decoration {
  display: none;
}

main {
  flex: 1;
  display: flex;
  align-items: center;
  padding: 2rem 1rem;
  position: relative;
  z-index: 10;
}

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

.product-section {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 2rem;
  align-items: start;
}

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

.product-image-wrapper {
  background: white;
  border: 2px solid var(--border-color);
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 4px 15px var(--shadow-color);
  text-align: center;
}

.product-image {
  width: 100%;
  max-width: 350px;
  height: auto;
  object-fit: contain;
}

.guarantee-block {
  background: linear-gradient(135deg, var(--light-color) 0%, #FFFFFF 100%);
  border: 2px solid var(--accent-color);
  border-radius: 12px;
  padding: 1.75rem;
  text-align: center;
  box-shadow: 0 4px 15px var(--shadow-color);
  position: relative;
  overflow: hidden;
}

.guarantee-block::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(93, 173, 226, 0.1) 0%, transparent 70%);
  z-index: 0;
}

.guarantee-block > * {
  position: relative;
  z-index: 1;
}

.guarantee-icon {
  font-size: 3rem;
  margin-bottom: 0.5rem;
}

.guarantee-block h3 {
  font-family: var(--main-font);
  color: var(--primary-color);
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.guarantee-block p {
  color: var(--text-color);
  font-size: 0.95rem;
  line-height: 1.5;
}

.cta-block {
  background: white;
  border: 2px solid var(--border-color);
  border-radius: 12px;
  padding: 1.75rem;
  text-align: center;
  box-shadow: 0 4px 15px var(--shadow-color);
}

.price {
  font-size: 2.5rem;
  font-weight: 700;
  font-family: var(--main-font);
  margin-bottom: 1rem;
  display: block;
}

.cta-button {
  display: inline-block;
  background: var(--gradient-primary);
  color: white;
  padding: 1rem 2.5rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px var(--shadow-color);
  border: none;
  cursor: pointer;
  font-family: var(--alt-font);
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--shadow-color);
}

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

.content-block {
  background: white;
  border: 2px solid var(--border-color);
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 4px 15px var(--shadow-color);
}

.content-block h2 {
  font-family: var(--main-font);
  color: var(--primary-color);
  font-size: 1.8rem;
  margin-bottom: 1rem;
  font-weight: 600;
}

.content-block p {
  color: var(--text-color);
  line-height: 1.7;
  margin-bottom: 0.75rem;
}

.highlight-box {
  background: linear-gradient(135deg, var(--light-color) 0%, #FFFFFF 100%);
  border-left: 4px solid var(--highlight-color);
  padding: 1.5rem;
  border-radius: 8px;
  margin-top: 1rem;
}

.highlight-box p {
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--dark-color);
  margin: 0;
}

.features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem;
  background: var(--light-color);
  border-radius: 8px;
  transition: all 0.3s ease;
}

.feature-item:hover {
  transform: translateX(5px);
  box-shadow: 0 2px 10px var(--shadow-color);
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 2px 8px var(--shadow-color);
}

.feature-icon svg {
  width: 24px;
  height: 24px;
  fill: white;
}

.feature-content h4 {
  font-family: var(--main-font);
  color: var(--primary-color);
  font-size: 1.15rem;
  margin-bottom: 0.25rem;
  font-weight: 600;
}

.feature-content p {
  font-size: 0.95rem;
  color: var(--text-color);
  margin: 0;
  line-height: 1.5;
}

.testimonials-section {
  background: linear-gradient(135deg, var(--dark-color) 0%, var(--secondary-color) 100%);
  padding: 3rem 1rem;
  margin-top: 3rem;
  position: relative;
  z-index: 10;
}

.testimonials-container {
  max-width: 1400px;
  margin: 0 auto;
}

.testimonials-title {
  text-align: center;
  font-family: var(--main-font);
  color: white;
  font-size: 2.2rem;
  margin-bottom: 2.5rem;
  font-weight: 600;
}

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

.testimonial-card {
  background: white;
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease;
}

.testimonial-card:hover {
  transform: translateY(-5px);
}

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

.testimonial-avatar {
  width: 56px;
  height: 56px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.testimonial-info h4 {
  font-family: var(--main-font);
  color: var(--primary-color);
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}

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

.testimonial-text {
  color: var(--text-color);
  line-height: 1.6;
  font-style: italic;
}

footer {
  background: var(--dark-color);
  color: #E8E8E8;
  padding: 2rem 1rem 1rem;
  position: relative;
  z-index: 20;
}

.footer-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  margin-bottom: 1.5rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: white;
  text-decoration: none;
  font-family: var(--main-font);
  font-size: 1.5rem;
  font-weight: 700;
}

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

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  list-style: none;
}

.footer-links a {
  color: #E8E8E8;
  text-decoration: none;
  transition: color 0.3s ease;
  font-size: 0.95rem;
}

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

.footer-bottom {
  text-align: center;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.85rem;
  color: #B8B8B8;
}

.footer-bottom a {
  color: var(--accent-color);
  text-decoration: none;
}

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

@media (max-width: 968px) {
  .product-section {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .header-decoration {
    display: none !important;
  }

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

  .footer-container {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-logo {
    margin-bottom: 1rem;
  }
}

@media (min-width: 969px) {
  .header-decoration {
    display: block;
    position: absolute;
    right: 2rem;
    top: 50%;
    transform: translateY(-50%);
    width: 120px;
    height: 60px;
    opacity: 0.3;
  }
}