:root {
  --primary-color: #2E7270;
  --secondary-color: #1E5250;
  --accent-color: #5CA8A6;
  --light-color: #EBF5F5;
  --dark-color: #152E2E;
  --gradient-primary: linear-gradient(135deg, #2E7270 0%, #1E5250 100%);
  --hover-color: #246260;
  --background-color: #F6FBFB;
  --text-color: #2A3D3D;
  --border-color: rgba(46, 114, 112, 0.17);
  --divider-color: rgba(30, 82, 80, 0.10);
  --shadow-color: rgba(30, 82, 80, 0.09);
  --highlight-color: #C09B40;
  --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);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  color: var(--text-color);
  background-color: var(--background-color);
}

/* Pattern BG — horizontal dashed lines */
.pattern-bg {
  background-image:
    radial-gradient(circle at 90% 10%, rgba(92, 168, 166, 0.07) 0%, transparent 40%),
    radial-gradient(circle at 10% 90%, rgba(46, 114, 112, 0.05) 0%, transparent 40%),
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 34px,
      rgba(46, 114, 112, 0.03) 34px,
      rgba(46, 114, 112, 0.03) 35px
    );
  position: fixed;
  inset: 0;
  z-index: -1;
}

/* HEADER */
header {
  background: #fff;
  padding: 1.2rem 0;
  position: relative;
  overflow: hidden;
  box-shadow: 0 2px 6px var(--shadow-color);
  border-bottom: 2px solid var(--accent-color);
}

.header-deco-bar1 {
  position: absolute;
  top: 0;
  right: 0;
  width: 4px;
  height: 100%;
  background: var(--primary-color);
  opacity: 0.3;
  display: none;
}

.header-deco-bar2 {
  position: absolute;
  top: 0;
  right: 12px;
  width: 2px;
  height: 100%;
  background: var(--accent-color);
  opacity: 0.2;
  display: none;
}

@media (min-width: 768px) {
  .header-deco-bar1,
  .header-deco-bar2 {
    display: block;
  }
}

.container {
  max-width: 1150px;
  margin: 0 auto;
  width: 100%;
  padding: 0 1rem;
}

@media (min-width: 768px) {
  .container {
    padding: 0 1.4rem;
  }
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--primary-color);
  font-family: var(--main-font);
  font-size: 1.35rem;
  font-weight: 700;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  width: fit-content;
}

.logo-icon {
  width: 32px;
  height: 32px;
  background: var(--primary-color);
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: white;
  flex-shrink: 0;
  position: relative;
}

.logo-icon::after {
  content: '';
  position: absolute;
  inset: 3px;
  border: 1px solid rgba(255,255,255,0.35);
  border-radius: 1px;
}

/* MAIN */
main {
  flex: 1;
  display: flex;
  align-items: center;
  padding: 1.6rem 0;
  justify-content: center;
}

.product-section {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.4rem;
  align-items: flex-start;
}

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

/* LEFT */
.product-left {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.product-image-container {
  background: white;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  box-shadow: 0 3px 10px var(--shadow-color);
  display: flex;
  justify-content: center;
  overflow: hidden;
}

.product-image {
  width: 100%;
  padding: 18px;
  height: auto;
  border-radius: 6px;
}

@media (min-width: 768px) {
  .product-image {
    padding: 18px 38px;
  }
}

.guarantee-block {
  background: var(--light-color);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 0.9rem 1rem;
  color: var(--text-color);
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}

.guarantee-icon {
  font-size: 1.3rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.guarantee-block h3 {
  font-family: var(--main-font);
  color: var(--primary-color);
  font-size: 0.86rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.3rem;
}

.guarantee-block p {
  font-size: 0.8rem;
  line-height: 1.55;
}

/* Features icons — 2-row grid with teal fill */
.features-icons {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.45rem;
}

.feature-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  padding: 0.7rem 0.15rem;
  background: var(--primary-color);
  border-radius: 6px;
  text-align: center;
  transition: all 0.25s ease;
}

.feature-item:hover {
  background: var(--hover-color);
  transform: scale(1.04);
}

.feature-icon {
  width: 34px;
  height: 34px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
}

.feature-item span {
  font-size: 0.57rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.92);
  font-family: var(--main-font);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.cart-button {
  background: var(--primary-color);
  color: white;
  padding: 0.85rem 1.4rem;
  border-radius: 4px;
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
  display: block;
  text-align: center;
  font-family: var(--main-font);
  text-transform: uppercase;
  letter-spacing: 1px;
  box-shadow: 0 3px 10px var(--shadow-color);
  transition: all 0.25s ease;
  border-left: 4px solid var(--highlight-color);
}

.cart-button:hover {
  background: var(--hover-color);
  transform: translateY(-2px);
}

/* RIGHT */
.product-right h1 {
  font-family: var(--main-font);
  font-size: 1.85rem;
  font-weight: 700;
  color: var(--primary-color);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 0.6rem;
  line-height: 1.1;
}

.price {
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--highlight-color);
  margin: 0.6rem 0;
  font-family: var(--main-font);
}

.product-description {
  font-size: 0.82rem;
  line-height: 1.65;
  color: var(--text-color);
  margin-bottom: 0.9rem;
}

.product-description p + p {
  margin-top: 0.55rem;
}

.highlight-text {
  background: var(--primary-color);
  color: white;
  padding: 0.9rem 1.1rem;
  border-radius: 4px;
  font-weight: 700;
  text-align: center;
  font-size: 0.87rem;
  font-family: var(--main-font);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  border-right: 4px solid var(--highlight-color);
  margin: 0.9rem 0;
}

.features-list {
  list-style: none;
  margin: 0.9rem 0;
}

.features-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  margin-bottom: 0.5rem;
  padding: 0.65rem 0.8rem;
  background: white;
  border-radius: 4px;
  border: 1px solid var(--border-color);
  font-size: 0.82rem;
  transition: all 0.2s ease;
}

.features-list li:hover {
  background: var(--light-color);
  border-color: var(--primary-color);
}

.feature-check {
  width: 20px;
  height: 20px;
  min-width: 20px;
  background: var(--primary-color);
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: bold;
  font-size: 0.68rem;
}

/* BENEFITS SECTION — full-width comparison-style 2 cols */
.benefits-section {
  background: var(--light-color);
  padding: 2rem 1.2rem;
  border-top: 3px solid var(--primary-color);
}

.benefits-content {
  max-width: 1150px;
  margin: 0 auto;
}

.benefits-section h2 {
  font-family: var(--main-font);
  font-size: 1.35rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0.5rem;
  color: var(--primary-color);
  text-align: center;
}

.benefits-content > p {
  font-size: 0.84rem;
  margin-bottom: 1.4rem;
  text-align: center;
  color: var(--text-color);
}

.benefits-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.8rem;
}

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

.benefit-card {
  background: white;
  border-radius: 6px;
  padding: 1rem 0.9rem;
  border-bottom: 3px solid var(--accent-color);
  box-shadow: 0 2px 6px var(--shadow-color);
  transition: all 0.25s ease;
  text-align: center;
}

.benefit-card:hover {
  transform: translateY(-3px);
  border-bottom-color: var(--primary-color);
}

.benefit-icon {
  font-size: 1.6rem;
  margin-bottom: 0.5rem;
  display: block;
}

.benefit-card h3 {
  font-family: var(--main-font);
  font-size: 0.84rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  margin-bottom: 0.3rem;
  color: var(--primary-color);
}

.benefit-card p {
  font-size: 0.77rem;
  line-height: 1.5;
  color: var(--text-color);
}

/* TESTIMONIALS */
.testimonials {
  background: var(--dark-color);
  padding: 2rem 1.2rem;
}

.testimonials h2 {
  font-family: var(--main-font);
  text-align: center;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--accent-color);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 1.4rem;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
  max-width: 1150px;
  margin: 0 auto;
}

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

.testimonial {
  background: rgba(255, 255, 255, 0.06);
  border-radius: 6px;
  padding: 1rem;
  border-left: 3px solid var(--primary-color);
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
  transition: transform 0.25s ease;
}

.testimonial:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.1);
}

.testimonial-header {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-bottom: 0.65rem;
}

.testimonial-icon {
  width: 38px;
  height: 38px;
  min-width: 38px;
  background: rgba(92, 168, 166, 0.18);
  border: 2px solid var(--accent-color);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.testimonial-name {
  font-family: var(--main-font);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--accent-color);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.testimonial-location {
  font-size: 0.73rem;
  color: rgba(255, 255, 255, 0.55);
}

.testimonial p {
  font-size: 0.81rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.82);
}

/* FOOTER */
footer {
  background: #0E1E1E;
  color: white;
  padding: 1.4rem 1.2rem;
}

.footer-content {
  max-width: 1150px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  padding-bottom: 0.9rem;
}

@media (min-width: 768px) {
  .footer-content {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.footer-content .logo {
  color: var(--accent-color);
}

.footer-content .logo-icon {
  background: rgba(92, 168, 166, 0.15);
  border: 1px solid rgba(92, 168, 166, 0.3);
}

.footer-nav {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  justify-content: center;
}

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

.footer-nav a {
  color: rgba(255, 255, 255, 0.65);
  text-decoration: none;
  font-size: 0.77rem;
  transition: color 0.2s ease;
}

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

.footer-credit {
  text-align: center;
  padding-top: 0.85rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.73rem;
  max-width: 1150px;
  margin: 0 auto;
}

.footer-credit a {
  color: var(--highlight-color);
  text-decoration: none;
}