:root {
  --primary-color: #6A1E9C;
  --secondary-color: #9B59B6;
  --accent-color: #B3D0D9;
  --light-color: #F5F5F5;
  --dark-color: #1D2A3C;
  --gradient-primary: linear-gradient(135deg, #6A1E9C 0%, #9B59B6 100%);
  --hover-color: #551680;
  --background-color: #FAFAFA;
  --text-color: #2C3E50;
  --border-color: rgba(106, 30, 156, 0.2);
  --divider-color: rgba(155, 89, 182, 0.13);
  --shadow-color: rgba(106, 30, 156, 0.11);
  --highlight-color: #FF6F61;
  --main-font: 'Oswald', sans-serif;
  --alt-font: 'Poppins', sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

body {
  font-family: var(--alt-font);
  background-color: var(--background-color);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  color: var(--text-color);
}

.pattern-bg {
  background-color: var(--background-color);
  background-image: 
    repeating-linear-gradient(45deg, transparent, transparent 35px, rgba(106, 30, 156, 0.02) 35px, rgba(106, 30, 156, 0.02) 70px),
    repeating-linear-gradient(-45deg, transparent, transparent 35px, rgba(155, 89, 182, 0.025) 35px, rgba(155, 89, 182, 0.025) 70px);
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

header {
  background: var(--gradient-primary);
  padding: 1.2rem 0;
  position: relative;
  overflow: hidden;
}

.header-decoration {
  position: absolute;
  top: 50%;
  right: 6%;
  width: 85px;
  height: 85px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 50%;
  transform: translateY(-50%);
  display: none;
}

.header-decoration::before {
  content: '';
  position: absolute;
  top: 10px;
  left: 10px;
  right: 10px;
  bottom: 10px;
  border: 2px solid rgba(255, 255, 255, 0.15);
  border-radius: 50%;
}

@media (min-width: 768px) {
  .header-decoration {
    display: block;
  }
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  width: 100%;
  padding: 0 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.68rem;
  color: white;
  font-family: var(--main-font);
  font-size: 1.42rem;
  font-weight: 600;
  text-decoration: none;
  width: fit-content;
  letter-spacing: 0.5px;
}

.logo-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, #FF6F61 0%, #F0A55A 100%);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: white;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  transform: rotate(45deg);
}

.logo-icon span {
  display: block;
  transform: rotate(-45deg);
}

main {
  flex: 1;
  display: flex;
  align-items: center;
  padding: 2.4rem 0;
  justify-content: center;
}

.product-section {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.1rem;
  align-items: flex-start;
}

@media (min-width: 768px) {
  .product-section {
    grid-template-columns: 1fr 1fr;
  }
}

.product-left {
  display: flex;
  flex-direction: column;
  gap: 1.18rem;
}

.product-image-wrapper {
  position: relative;
  background: white;
  padding: 1.65rem;
  border-radius: 13px;
  box-shadow: 0 4px 13px var(--shadow-color);
  border: 2px solid var(--border-color);
}

.product-image {
  max-width: 100%;
  margin: 0 auto;
  height: auto;
  border-radius: 9px;
  transition: transform 0.3s ease;
}

.product-image:hover {
  transform: scale(1.028);
}

.guarantee-block {
  background: linear-gradient(135deg, rgba(106, 30, 156, 0.045) 0%, rgba(179, 208, 217, 0.06) 100%);
  padding: 1.18rem;
  border-radius: 11px;
  border: 2px solid var(--accent-color);
  box-shadow: 0 2px 9px var(--shadow-color);
}

.guarantee-block h3 {
  font-family: var(--main-font);
  color: var(--primary-color);
  margin-bottom: 0.62rem;
  font-size: 1.01rem;
  font-weight: 600;
  letter-spacing: 0.3px;
}

.guarantee-block p {
  font-size: 0.865rem;
  line-height: 1.56;
  color: var(--text-color);
}

.features-icons {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.82rem;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 0.95rem;
  padding: 1.02rem 1.15rem;
  background: white;
  border-radius: 10px;
  box-shadow: 0 2px 9px var(--shadow-color);
  transition: all 0.3s ease;
  border: 2px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

.feature-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--gradient-primary);
  transition: width 0.3s ease;
}

.feature-item:hover {
  border-color: var(--primary-color);
  transform: translateX(3px);
  box-shadow: 0 4px 13px var(--shadow-color);
}

.feature-item .feature-icon {
  width: 47px;
  height: 47px;
  background: var(--gradient-primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.32rem;
  flex-shrink: 0;
  color: white;
}

.feature-item span {
  font-size: 0.865rem;
  font-weight: 500;
  color: var(--text-color);
  line-height: 1.42;
  padding-top: 0.3rem;
}

.cart-button {
  background: var(--gradient-primary);
  color: white;
  padding: 0.92rem 2.15rem;
  border: none;
  border-radius: 9px;
  font-size: 1.01rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-block;
  text-align: center;
  box-shadow: 0 4px 12px var(--shadow-color);
  letter-spacing: 0.3px;
}

.cart-button:hover {
  background: linear-gradient(135deg, var(--hover-color) 0%, var(--secondary-color) 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px var(--shadow-color);
}

.product-right h1 {
  font-family: var(--main-font);
  font-size: 2.18rem;
  color: var(--primary-color);
  margin-bottom: 1.08rem;
  font-weight: 600;
  line-height: 1.16;
  letter-spacing: 0.5px;
}

.price {
  font-size: 1.98rem;
  font-weight: 700;
  color: var(--primary-color);
  margin: 1.05rem 0;
  font-family: var(--main-font);
}

.product-description {
  font-size: 0.895rem;
  margin-bottom: 1.24rem;
  line-height: 1.66;
  color: var(--text-color);
}

.highlight-text {
  background: var(--highlight-color);
  color: white;
  padding: 1.05rem 1.28rem;
  border-radius: 9px;
  font-weight: 600;
  margin: 1.24rem 0;
  text-align: center;
  font-size: 0.92rem;
  box-shadow: 0 3px 11px rgba(255, 111, 97, 0.3);
}

.features-list {
  list-style: none;
  margin: 1.24rem 0;
}

.features-list li {
  display: flex;
  align-items: center;
  gap: 0.74rem;
  margin-bottom: 0.74rem;
  padding: 0.78rem 0.98rem;
  background: white;
  border-radius: 7px;
  box-shadow: 0 2px 7px var(--shadow-color);
  transition: all 0.3s ease;
  border-left: 4px solid var(--accent-color);
  font-size: 0.865rem;
}

.features-list li:hover {
  transform: translateX(4px);
  box-shadow: 0 3px 9px var(--shadow-color);
  border-left-color: var(--primary-color);
}

.feature-check {
  width: 21px;
  height: 21px;
  background: var(--primary-color);
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: bold;
  flex-shrink: 0;
  font-size: 0.74rem;
}

.benefits-section {
  background: var(--light-color);
  color: var(--text-color);
  padding: 2.65rem 1rem;
  position: relative;
}

.benefits-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(circle at 25% 25%, rgba(106, 30, 156, 0.025) 0%, transparent 50%),
    radial-gradient(circle at 75% 75%, rgba(179, 208, 217, 0.035) 0%, transparent 50%);
  pointer-events: none;
}

.benefits-section h2 {
  font-family: var(--main-font);
  text-align: center;
  margin-bottom: 2.15rem;
  font-size: 1.98rem;
  font-weight: 600;
  color: var(--primary-color);
  position: relative;
  z-index: 1;
  letter-spacing: 0.5px;
}

.benefits-content {
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.32rem;
  position: relative;
  z-index: 1;
}

@media (min-width: 768px) {
  .benefits-content {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .benefits-content {
    grid-template-columns: repeat(4, 1fr);
  }
}

.benefit-box {
  background: white;
  padding: 1.52rem 1.32rem;
  border-radius: 12px;
  border: 2px solid var(--border-color);
  transition: all 0.3s ease;
  box-shadow: 0 2px 9px var(--shadow-color);
  text-align: center;
  position: relative;
}

.benefit-box::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: 0 0 10px 10px;
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.benefit-box:hover::after {
  transform: scaleX(1);
}

.benefit-box:hover {
  transform: translateY(-4px);
  border-color: var(--primary-color);
  box-shadow: 0 6px 18px var(--shadow-color);
}

.benefit-box-icon {
  width: 58px;
  height: 58px;
  background: var(--gradient-primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.65rem;
  margin: 0 auto 0.85rem;
  color: white;
  box-shadow: 0 3px 10px var(--shadow-color);
}

.benefit-box h3 {
  font-family: var(--main-font);
  font-size: 1.08rem;
  margin-bottom: 0.62rem;
  color: var(--primary-color);
  font-weight: 600;
  letter-spacing: 0.3px;
}

.benefit-box p {
  line-height: 1.58;
  font-size: 0.865rem;
  color: var(--text-color);
}

.testimonials {
  background: var(--background-color);
  color: var(--text-color);
  padding: 2.65rem 1rem;
}

.testimonials h2 {
  font-family: var(--main-font);
  text-align: center;
  margin-bottom: 2.15rem;
  font-size: 1.98rem;
  font-weight: 600;
  color: var(--primary-color);
  letter-spacing: 0.5px;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.32rem;
  max-width: 1000px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .testimonials-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.testimonial {
  background: white;
  padding: 1.32rem;
  border-radius: 11px;
  box-shadow: 0 2px 9px var(--shadow-color);
  border: 2px solid var(--border-color);
  transition: all 0.3s ease;
}

.testimonial:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 13px var(--shadow-color);
  border-color: var(--primary-color);
}

.testimonial-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.92rem;
}

.testimonial-icon {
  width: 43px;
  height: 43px;
  background: var(--gradient-primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.32rem;
  color: white;
  flex-shrink: 0;
  box-shadow: 0 2px 8px var(--shadow-color);
}

.testimonial-name {
  font-weight: 600;
  font-size: 0.94rem;
  color: var(--primary-color);
}

.testimonial p {
  line-height: 1.62;
  font-size: 0.865rem;
  color: var(--text-color);
}

footer {
  background: var(--dark-color);
  color: white;
  padding: 1.8rem 1rem;
}

.footer-content {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  align-items: center;
  padding-bottom: 1rem;
}

@media (min-width: 768px) {
  .footer-content {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.footer-nav {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  justify-content: center;
}

@media (min-width: 768px) {
  .footer-nav {
    justify-content: flex-end;
  }
}

.footer-nav a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  transition: color 0.3s ease;
  font-size: 0.85rem;
}

.footer-nav a:hover {
  color: var(--highlight-color);
}

.footer-credit {
  text-align: center;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.8rem;
  max-width: 1000px;
  margin: 0 auto;
}

.footer-credit a {
  color: var(--highlight-color);
  text-decoration: none;
}