:root {
  --primary-color: #4A5568;
  --secondary-color: #F2D4C9;
  --accent-color: #8C3A50;
  --light-color: #F7F7F8;
  --dark-color: #1A202C;
  --gradient-primary: linear-gradient(135deg, #4A5568 0%, #5D6D7E 100%);
  --hover-color: #3A4456;
  --background-color: #F4F5F7;
  --text-color: #2D3748;
  --border-color: rgba(74, 85, 104, 0.14);
  --divider-color: rgba(74, 85, 104, 0.07);
  --shadow-color: rgba(26, 32, 44, 0.1);
  --highlight-color: #8C3A50;
  --main-font: 'Montserrat', 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);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  color: var(--text-color);
  background-color: var(--background-color);
}

/* Pattern: subtle cross-hatch + corner arcs */
.pattern-bg {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: -1;
  background-color: var(--background-color);
}

.pattern-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, transparent, transparent 48px, rgba(74, 85, 104, 0.04) 48px, rgba(74, 85, 104, 0.04) 49px),
    repeating-linear-gradient(90deg, transparent, transparent 48px, rgba(74, 85, 104, 0.04) 48px, rgba(74, 85, 104, 0.04) 49px);
}

.pattern-bg::after {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 300px; height: 300px;
  border-radius: 0 0 0 100%;
  background: rgba(242, 212, 201, 0.18);
}

header {
  background: var(--gradient-primary);
  padding: 1.2rem 0;
  position: relative;
  overflow: hidden;
  box-shadow: 0 2px 8px var(--shadow-color);
}

.header-deco {
  position: absolute;
  bottom: 0;
  right: 3%;
  display: none;
  align-items: flex-end;
  gap: 5px;
}

.header-deco span {
  display: block;
  width: 18px;
  background: rgba(255,255,255,0.1);
  border-radius: 3px 3px 0 0;
}

.header-deco span:nth-child(1) { height: 20px; }
.header-deco span:nth-child(2) { height: 32px; }
.header-deco span:nth-child(3) { height: 14px; }
.header-deco span:nth-child(4) { height: 26px; }

@media (min-width: 768px) { .header-deco { display: flex; } }

.container {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  padding: 0 1rem;
}

@media (min-width: 768px) { .container { padding: 0 1.5rem; } }

.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: white;
  font-family: var(--main-font);
  font-size: 1.55rem;
  font-weight: 700;
  text-decoration: none;
  width: fit-content;
  letter-spacing: 2px;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--highlight-color);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}

main {
  flex: 1;
  display: flex;
  align-items: center;
  padding: 2rem 0;
  justify-content: center;
}

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

@media (min-width: 768px) {
  .product-section { grid-template-columns: 1fr 1fr; }
}

.product-left {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.product-image-container {
  display: flex;
  justify-content: center;
  border-radius: 14px;
  background: white;
  border: 1px solid var(--border-color);
  box-shadow: 0 3px 12px var(--shadow-color);
  overflow: hidden;
  position: relative;
}

.product-image-container::after {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px;
  height: 100%;
  background: var(--highlight-color);
}

.product-image-container picture {
  display: flex;
  justify-content: center;
  width: 100%;
}

.product-image {
  width: 60%;
  height: auto;
  padding: 22px;
  transition: transform 0.3s ease;
  object-fit: contain;
}

.product-image:hover { transform: scale(1.02); }

.guarantee-block {
  background: white;
  padding: 1.1rem 1.2rem;
  border-radius: 12px;
  box-shadow: 0 2px 8px var(--shadow-color);
  border: 1px solid var(--border-color);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.75rem;
  align-items: start;
}

.guarantee-icon {
  font-size: 1.4rem;
  line-height: 1.3;
}

.guarantee-block h3 {
  font-family: var(--main-font);
  color: var(--primary-color);
  font-size: 0.88rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
  letter-spacing: 0.3px;
}

.guarantee-block p {
  font-size: 0.82rem;
  line-height: 1.65;
  color: var(--text-color);
}

/* Feature items: two-column tag grid */
.features-icons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
}

.feature-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.4rem;
  padding: 0.75rem 0.85rem;
  background: white;
  border-radius: 10px;
  box-shadow: 0 2px 6px var(--shadow-color);
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.feature-item:hover {
  border-color: var(--accent-color);
  transform: translateY(-2px);
}

.feature-item .feature-icon {
  font-size: 1.2rem;
  line-height: 1;
}

.feature-item span {
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--text-color);
  font-family: var(--main-font);
  line-height: 1.3;
}

.cart-button {
  background: var(--highlight-color);
  color: white;
  padding: 0.9rem 1.5rem;
  border: none;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: block;
  text-align: center;
  box-shadow: 0 3px 10px rgba(140, 58, 80, 0.28);
  font-family: var(--main-font);
  letter-spacing: 0.6px;
}

.cart-button:hover {
  background: #732E40;
  transform: translateY(-2px);
  box-shadow: 0 5px 14px rgba(140, 58, 80, 0.35);
}

.product-right h1 {
  font-family: var(--main-font);
  font-size: 1.78rem;
  color: var(--primary-color);
  margin-bottom: 0.7rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.3px;
}

.price {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--highlight-color);
  margin: 0.7rem 0;
  font-family: var(--main-font);
}

.product-description {
  font-size: 0.86rem;
  margin-bottom: 1rem;
  line-height: 1.8;
  color: var(--text-color);
}

.product-description p + p { margin-top: 0.75rem; }

.highlight-text {
  background: var(--secondary-color);
  color: var(--accent-color);
  padding: 1rem 1.2rem;
  border-radius: 10px;
  font-weight: 700;
  margin: 1rem 0;
  text-align: center;
  font-size: 0.92rem;
  font-family: var(--main-font);
  letter-spacing: 0.3px;
  border-left: 4px solid var(--highlight-color);
}

.features-list {
  list-style: none;
  margin: 1rem 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.55rem;
}

@media (max-width: 480px) {
  .features-list { grid-template-columns: 1fr; }
}

.features-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  padding: 0.7rem 0.85rem;
  background: white;
  border-radius: 10px;
  box-shadow: 0 2px 5px var(--shadow-color);
  transition: all 0.3s ease;
  border-top: 2px solid var(--border-color);
}

.features-list li:hover {
  border-top-color: var(--highlight-color);
  transform: translateY(-1px);
}

.feature-check {
  width: 18px;
  height: 18px;
  background: var(--highlight-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: bold;
  flex-shrink: 0;
  font-size: 0.6rem;
  margin-top: 1px;
}

.features-list li span:last-child {
  font-size: 0.79rem;
  line-height: 1.45;
}

/* Benefits: horizontal scrollable cards with bg color */
.benefits-section {
  background: white;
  border-top: 3px solid var(--secondary-color);
  border-bottom: 3px solid var(--secondary-color);
  padding: 2.5rem 1.5rem;
}

.benefits-content {
  max-width: 1200px;
  margin: 0 auto;
}

.benefits-section h2 {
  font-family: var(--main-font);
  font-size: 1.55rem;
  font-weight: 700;
  margin-bottom: 1.8rem;
  color: var(--primary-color);
  text-align: center;
  letter-spacing: 0.5px;
}

.benefits-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 768px) {
  .benefits-grid { grid-template-columns: repeat(4, 1fr); }
}

.benefit-card {
  background: var(--light-color);
  padding: 1.3rem 1.1rem;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.benefit-card:hover {
  background: white;
  box-shadow: 0 6px 16px var(--shadow-color);
  transform: translateY(-3px);
}

.benefit-icon {
  width: 44px;
  height: 44px;
  background: var(--secondary-color);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

.benefit-card h3 {
  font-family: var(--main-font);
  font-size: 0.93rem;
  font-weight: 700;
  color: var(--accent-color);
  letter-spacing: 0.3px;
}

.benefit-card p {
  font-size: 0.81rem;
  line-height: 1.65;
  color: var(--text-color);
}

.testimonials {
  background: var(--dark-color);
  color: white;
  padding: 2.5rem 1.5rem;
}

.testimonials h2 {
  font-family: var(--main-font);
  text-align: center;
  margin-bottom: 1.8rem;
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--secondary-color);
  letter-spacing: 0.6px;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.1rem;
  max-width: 1200px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .testimonials-grid { grid-template-columns: 1fr 1fr; }
}

.testimonial {
  background: rgba(255,255,255,0.05);
  padding: 1.2rem 1.3rem;
  border-radius: 12px;
  border: 1px solid rgba(242, 212, 201, 0.12);
  border-bottom: 2px solid var(--highlight-color);
  transition: transform 0.3s ease;
}

.testimonial:hover { transform: translateY(-2px); }

.testimonial-header {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 0.75rem;
}

.testimonial-icon {
  width: 40px;
  height: 40px;
  background: var(--highlight-color);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  flex-shrink: 0;
}

.testimonial-name {
  font-weight: 700;
  font-size: 0.9rem;
  font-family: var(--main-font);
  color: var(--secondary-color);
  letter-spacing: 0.3px;
}

.testimonial p {
  line-height: 1.7;
  font-size: 0.83rem;
  color: rgba(255,255,255,0.78);
}

footer {
  background: var(--dark-color);
  color: white;
  padding: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  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: 0.8rem;
  justify-content: center;
}

@media (min-width: 768px) { .footer-nav { justify-content: flex-end; } }

.footer-nav a {
  color: rgba(255,255,255,0.58);
  text-decoration: none;
  transition: color 0.3s ease;
  font-size: 0.79rem;
}

.footer-nav a:hover { color: var(--secondary-color); }

.footer-credit {
  text-align: center;
  padding-top: 1rem;
  border-top: 1px solid rgba(255,255,255,0.07);
  color: rgba(255,255,255,0.36);
  font-size: 0.75rem;
  max-width: 1200px;
  margin: 0 auto;
}

.footer-credit a { color: rgba(255,255,255,0.6); text-decoration: none; }
.footer-logo { color: white; }